2019 ASME boiler and pressure vessel code : an international code. Section VIII, Rules for construction of pressure vessels. Division 1

Table of Contents
List of Sections
	INTERPRETATIONS
	CODE CASES
Foreword
Statement of Policy on the Use of the ASME Single Certification Mark and Code Authorization in Advertising
Statement of Policy on the Use of ASME Marking to Identify Manufactured Items
Submittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees
	1 Introduction
	2 Inquiry Format
	3 Code Revisions or Additions
	4 Code Cases
	5 Code Interpretations
	6 Submittals
Personnel
Summary of Changes
List of Changes in Record Number Order
Cross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code
	Subparagraph Breakdowns/Nested Lists Hierarchy
	Footnotes
	Submittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees
	Cross-References
Introduction
	U-1 Scope
	U-2 General
	U-3 Standards Referenced by This Division
	U-4 Units of Measurement
	U-5 Tolerances
Subsection A General Requirements
	Part UG General Requirements for All Methods of Construction and All Materials
		Outline placeholder
			UG-1 Scope
		Materials
			UG-4 General
			UG-5 Plate
			UG-6 Forgings
			UG-7 Castings
			UG-8 Pipe and Tubes
			UG-9 Welding Materials
			UG-10 Material Identified With or Produced to a Specification Not Permitted by This Division, and Material Not Fully Identified
			UG-11 Prefabricated or Preformed Pressure Parts Furnished Without a Certification Mark
			UG-12 Bolts and Studs
			UG-13 Nuts and Washers
			UG-14 Rods and Bars
			UG-15 Product Specification
		Design
			UG-16 General
			UG-17 Methods of Fabrication in Combination
			UG-18 Materials in Combination
			UG-19 Special Constructions
			UG-20 Design Temperature
			UG-21 Design Pressure
			UG-22 Loadings
			UG-23 Maximum Allowable Stress Values
			UG-24 Castings
			UG-25 Corrosion
			UG-26 Linings
			UG-27 Thickness of Shells Under Internal Pressure
			UG-28 Thickness of Shells and Tubes Under External Pressure
			UG-29 Stiffening Rings for Cylindrical Shells Under External Pressure
			UG-30 Attachment of Stiffening Rings
			UG-31 Tubes, and Pipe When Used as Tubes or Shells
			UG-32 Formed Heads, and Sections, Pressure on Concave Side
			UG-33 Formed Heads, Pressure on Convex Side
			UG-34 Unstayed Flat Heads and Covers
			UG-35 Other Types of Closures
		Openings and Reinforcements
			UG-36 Openings in Pressure Vessels
			UG-37 Reinforcement Required for Openings in Shells and Formed Heads
			UG-38 Flued Openings in Shells and Formed Heads
			UG-39 Reinforcement Required for Openings in Flat Heads and Covers
			UG-40 Limits of Reinforcement
			UG-41 Strength of Reinforcement
			UG-42 Reinforcement of Multiple Openings
			UG-43 Methods of Attachment of Pipe and Nozzle Necks to Vessel Walls
			UG-44 Flanges and Pipe Fittings
			UG-45 Nozzle Neck Thickness
			UG-46 Inspection Openings
		Braced and Stayed Surfaces
			UG-47 Braced and Stayed Surfaces
			UG-48 Staybolts
			UG-49 Location of Staybolts
			UG-50 Dimensions of Staybolts
		Ligaments
			UG-53 Ligaments
			UG-54 Supports
			UG-55 Lugs for Platforms, Ladders, and Other Attachments to Vessel Walls
		Fabrication
			UG-75 General
			UG-76 Cutting Plates and Other Stock
			UG-77 Material Identification (see UG-85)
			UG-78 Repair of Defects in Materials
			UG-79 Forming Pressure Parts
			UG-80 Permissible Out‐of‐Roundness of Cylindrical, Conical, and Spherical Shells
			UG-81 Tolerance for Formed Heads
			UG-82 Lugs and Fitting Attachments
			UG-83 Holes for Screw Stays
			UG-84 Charpy Impact Tests
			UG-85 Heat Treatment
		Inspection and Tests
			UG-90 General
			UG-91 The Inspector
			UG-92 Access for Inspector
			UG-93 Inspection of Materials
			UG-94 Marking on Materials
			UG-95 Examination of Surfaces During Fabrication
			UG-96 Dimensional Check of Component Parts
			UG-97 Inspection During Fabrication
			UG-98 Maximum Allowable Working Pressure
			UG-99 Standard Hydrostatic Test
			UG-100 Pneumatic Test (see UW-50)
			UG-101 Proof Tests to Establish Maximum Allowable Working Pressure
			UG-102 Test Gages
			UG-103 Nondestructive Testing
		Marking and Reports
			UG-115 General
			UG-116 Required Marking
			UG-117 Certificates of Authorization and Certification Marks
			UG-118 Methods of Marking
			UG-119 Nameplates
			UG-120 Data Reports
		Overpressure Protection
			UG-125 General
			UG-126 Pressure Relief Valves
			UG-127 Nonreclosing Pressure Relief Devices
			UG-128 Liquid Pressure Relief Valves
			UG-129 Marking
			UG-130 Certification Mark
			UG-131 Certification of Capacity of Pressure Relief Devices
			UG-132 Certification of Capacity of Pressure Relief Valves in Combination With Nonreclosing Pressure Relief Devices
			UG-133 Determination of Pressure-Relieving Requirements
			UG-134 Pressure Settings and Performance Requirements
			UG-135 Installation
			UG-136 Minimum Requirements for Pressure Relief Valves
			UG-137 Minimum Requirements for Rupture Disk Devices
			UG-138 Minimum Requirements for Pin Devices
			UG-140 Overpressure Protection by System Design
Subsection B Requirements Pertaining to Methods of Fabrication of Pressure Vessels
	Part UW Requirements for Pressure Vessels Fabricated by Welding
		General
			UW-1 Scope
			UW-2 Service Restrictions
			UW-3 Welded Joint Category
		Materials
			UW-5 General
			UW-6 Nonmandatory Guidelines for Welding Material Selections
		Design
			UW-8 General
			UW-9 Design of Welded Joints
			UW-10 Postweld Heat Treatment
			UW-11 Radiographic and Ultrasonic Examination
			UW-12 Joint Efficiencies
			UW-13 Attachment Details
			UW-14 Openings in or Adjacent to Welds
			UW-15 Welded Connections
			UW-16 Minimum Requirements for Attachment Welds at Openings
			UW-17 Plug Welds
			UW-18 Fillet Welds
			UW-19 Welded Stayed Construction
			UW-20 Tube‐to‐Tubesheet Welds
			UW-21 ASME B16.5 Socket and Slip-on Flange Welds
		Fabrication
			UW-26 General
			UW-27 Welding Processes
			UW-28 Qualification of Welding Procedure
			UW-29 Tests of Welders and Welding Operators
			UW-30 Lowest Permissible Temperatures for Welding
			UW-31 Cutting, Fitting, and Alignment
			UW-32 Cleaning of Surfaces to Be Welded
			UW-33 Alignment Tolerance
			UW-34 Spin‐Holes
			UW-35 Finished Longitudinal and Circumferential Joints
			UW-36 Fillet Welds
			UW-37 Miscellaneous Welding Requirements
			UW-38 Repair of Weld Defects
			UW-39 Peening
			UW-40 Procedures for Postweld Heat Treatment
			UW-41 Sectioning of Welded Joints
			UW-42 Surface Weld Metal Buildup
		Inspection and Tests
			UW-46 General
			UW-47 Check of Welding Procedure
			UW-48 Check of Welder and Welding Operator Qualifications
			UW-49 Check of Postweld Heat Treatment Practice
			UW-50 Nondestructive Examination of Welds on Pneumatically Tested Vessels
			UW-51 Radiographic Examination of Welded Joints
			UW-52 Spot Examination of Welded Joints
			UW-53 Ultrasonic Examination of Welded Joints
			UW-54 Qualification of Nondestructive Examination Personnel
		Marking and Reports
			UW-60 General
	Part UF Requirements for Pressure Vessels Fabricated by Forging
		General
			UF-1 Scope
		Materials
			UF-5 General
			UF-6 Forgings
			UF-7 Forged Steel Rolls Used for Corrugating Paper Machinery
		Design
			UF-12 General
			UF-13 Head Design
			UF-25 Corrosion Allowance
		Fabrication
			UF-26 General
			UF-27 Tolerances on Body Forgings
			UF-28 Methods of Forming Forged Heads
			UF-29 Tolerance on Forged Heads
			UF-30 Localized Thin Areas
			UF-31 Heat Treatment
			UF-32 Welding for Fabrication
			UF-37 Repair of Defects in Material
			UF-38 Repair of Weld Defects
			UF-43 Attachment of Threaded Nozzles to Integrally Forged Necks and Thickened Heads on Vessels
		Inspection and Tests
			UF-45 General
			UF-46 Acceptance by Inspector
			UF-47 Parts Forging
			UF-52 Check of Heat Treatment and Postweld Heat Treatment
			UF-53 Test Specimens
			UF-54 Tests and Retests
			UF-55 Ultrasonic Examination
		Marking and Reports
			UF-115 General
	Part UB Requirements for Pressure Vessels Fabricated by Brazing
		General
			UB-1 Scope
			UB-2 Elevated Temperature
			UB-3 Service Restrictions
		Materials
			UB-5 General
			UB-6 Brazing Filler Metals
			UB-7 Fluxes and Atmospheres
		Design
			UB-9 General
			UB-10 Strength of Brazed Joints
			UB-11 Qualification of Brazed Joints for Design Temperatures Up to the Maximum Shown in Column 1 of Table UB-2
			UB-12 Qualification of Brazed Joints for Design Temperatures in the Range Shown in Column 2 of Table UB-2
			UB-13 Corrosion
			UB-14 Joint Efficiency Factors
			UB-15 Application of Brazing Filler Metal
			UB-16 Permissible Types of Joints
			UB-17 Joint Clearance
			UB-18 Joint Brazing Procedure
			UB-19 Openings
			UB-20 Nozzles
			UB-21 Brazed Connections
			UB-22 Low Temperature Operation
		Fabrication
			UB-30 General
			UB-31 Qualification of Brazing Procedure
			UB-32 Qualification of Brazers and Brazing Operators
			UB-33 Buttstraps
			UB-34 Cleaning of Surfaces to Be Brazed
			UB-35 Clearance Between Surfaces to Be Brazed
			UB-36 Postbrazing Operations
			UB-37 Repair of Defective Brazing
		Inspection and Tests
			UB-40 General
			UB-41 Inspection During Fabrication
			UB-42 Procedure
			UB-43 Brazer and Brazing Operator
			UB-44 Visual Examination
			UB-50 Exemptions
		Marking and Reports
			UB-55 General
Subsection C Requirements Pertaining to Classes of Materials
	Part UCS Requirements for Pressure Vessels Constructed of Carbon and Low Alloy Steels
		General
			UCS-1 Scope
		Materials
			UCS-5 General
			UCS-6 Steel Plates
			UCS-7 Steel Forgings
			UCS-8 Steel Castings
			UCS-9 Steel Pipe and Tubes
			UCS-10 Bolt Materials
			UCS-11 Nuts and Washers
			UCS-12 Bars and Shapes
		Design
			UCS-16 General
			UCS-19 Welded Joints
			UCS-23 Maximum Allowable Stress Values
			UCS-27 Shells Made From Pipe
			UCS-28 Thickness of Shells Under External Pressure
			UCS-29 Stiffening Rings for Shells Under External Pressure
			UCS-30 Attachment of Stiffening Rings to Shell
			UCS-33 Formed Heads, Pressure on Convex Side
			UCS-56 Requirements for Postweld Heat Treatment
			UCS-57 Radiographic Examination
		Low Temperature Operation
			UCS-65 Scope
			UCS-66 Materials
			UCS-67 Impact Tests of Welding Procedures
			UCS-68 Design
		Fabrication
			UCS-75 General
			UCS-79 Forming Pressure Parts
			UCS-85 Heat Treatment of Test Specimens
		Inspection and Tests
			UCS-90 General
		Marking and Reports
			UCS-115 General
		Nonmandatory Appendix UCS-A
			UCS-A-1 General
			UCS-A-2 Creep–Rupture Properties of Carbon Steels
			UCS-A-3 Vessels Operating at Temperatures Colder Than the MDMT Stamped on the Nameplate
	Part UNF Requirements for Pressure Vessels Constructed of Nonferrous Materials
		General
			UNF-1 Scope
			UNF-3 Uses
			UNF-4 Conditions of Service
		Materials
			UNF-5 General
			UNF-6 Nonferrous Plate
			UNF-7 Forgings
			UNF-8 Castings
			UNF-12 Bolt Materials
			UNF-13 Nuts and Washers
			UNF-14 Rods, Bars, and Shapes
			UNF-15 Other Materials
		Design
			UNF-16 General
			UNF-19 Welded Joints
			UNF-23 Maximum Allowable Stress Values
			UNF-28 Thickness of Shells Under External Pressure
			UNF-30 Stiffening Rings
			UNF-33 Formed Heads, Pressure on Convex Side
			UNF-56 Postweld Heat Treatment
			UNF-57 Radiographic Examination
			UNF-58 Liquid Penetrant Examination
			UNF-65 Low Temperature Operation
		Fabrication
			UNF-75 General
			UNF-77 Forming Shell Sections and Heads
			UNF-78 Welding
			UNF-79 Requirements for Postfabrication Heat Treatment Due to Straining
		Inspection and Tests
			UNF-90 General
			UNF-91 Requirements for the Image Quality Indicator
			UNF-95 Welding Test Plates
		Marking and Reports
			UNF-115 General
		Nonmandatory Appendix UNF-A Characteristics of the Nonferrous Materials
			UNF-A-1 Purpose
			UNF-A-2 General
			UNF-A-3 Properties
			UNF-A-4 Magnetic Properties
			UNF-A-5 Elevated Temperature Effects
			UNF-A-6 Low Temperature Behavior
			UNF-A-7 Thermal Cutting
			UNF-A-8 Machining
			UNF-A-9 Gas Welding
			UNF-A-10 Metal Arc Welding
			UNF-A-11 Inert Gas Metal Arc Welding
			UNF-A-12 Resistance Welding
			UNF-A-13 Corrosion
			UNF-A-14 Special Comments
	Part UHA Requirements for Pressure Vessels Constructed of High Alloy Steel
		General
			UHA-1 Scope
			UHA-5 Uses
			UHA-6 Conditions of Service
			UHA-8 Material
		Materials
			UHA-11 General
			UHA-12 Bolt Materials
			UHA-13 Nuts and Washers
		Design
			UHA-20 General
			UHA-21 Welded Joints
			UHA-23 Maximum Allowable Stress Values
			UHA-28 Thickness of Shells Under External Pressure
			UHA-29 Stiffening Rings for Shells Under External Pressure
			UHA-30 Attachment of Stiffening Rings to Shell
			UHA-31 Formed Heads, Pressure on Convex Side
			UHA-32 Requirements for Postweld Heat Treatment
			UHA-33 Radiographic Examination
			UHA-34 Liquid Penetrant Examination
		Fabrication
			UHA-40 General
			UHA-42 Weld Metal Composition
			UHA-44 Requirements for Postfabrication Heat Treatment Due to Straining
		Inspection and Tests
			UHA-50 General
			UHA-51 Impact Tests
			UHA-52 Welded Test Plates
		Marking and Reports
			UHA-60 General
		Nonmandatory Appendix UHA-A Suggestions on the Selection and Treatment of Austenitic Chromium–Nickel and Ferritic and Martensitic High Chromium Steels
			UHA-A-1 General
			UHA-A-2 Dissimilar Weld Metal
			UHA-A-3 Fabrication
			UHA-A-4 Relaxation Cracking
	Part UCI Requirements for Pressure Vessels Constructed of Cast Iron
		General
			UCI-1 Scope
			UCI-2 Service Restrictions
			UCI-3 Pressure–Temperature Limitations
		Materials
			UCI-5 General
			UCI-12 Bolt Materials
		Design
			UCI-16 General
			UCI-23 Maximum Allowable Stress Values
			UCI-28 Thickness of Shells Under External Pressure
			UCI-29 Dual Metal Cylinders
			UCI-32 Heads With Pressure on Concave Side
			UCI-33 Heads With Pressure on Convex Side
			UCI-35 Spherically Shaped Covers (Heads)
			UCI-36 Openings and Reinforcements
			UCI-37 Corners and Fillets
		Fabrication
			UCI-75 General
			UCI-78 Repairs in Cast Iron Materials
		Inspection and Tests
			UCI-90 General
			UCI-99 Standard Hydrostatic Test
			UCI-101 Hydrostatic Test to Destruction
		Marking and Reports
			UCI-115 General
	Part UCL Requirements for Welded Pressure Vessels Constructed of Material With Corrosion Resistant Integral Cladding, Weld Metal Overlay Cladding, or Applied Linings
		General
			UCL-1 Scope
			UCL-2 Methods of Fabrication
			UCL-3 Conditions of Service
		Materials
			UCL-10 General
			UCL-11 Integral and Weld Metal Overlay Clad Material
			UCL-12 Lining
		Design
			UCL-20 General
			UCL-23 Maximum Allowable Stress Values
			UCL-24 Maximum Allowable Working Temperature
			UCL-25 Corrosion of Cladding or Lining Material
			UCL-26 Thickness of Shells and Heads Under External Pressure
			UCL-27 Low Temperature Operations
		Fabrication
			UCL-30 General
			UCL-31 Joints in Integral or Weld Metal Overlay Cladding and Applied Linings
			UCL-32 Weld Metal Composition
			UCL-33 Inserted Strips in Clad Material
			UCL-34 Postweld Heat Treatment
			UCL-35 Radiographic Examination
			UCL-36 Examination of Chromium Stainless Steel Cladding or Lining
			UCL-40 Welding Procedures
			UCL-42 Alloy Welds in Base Metal
			UCL-46 Fillet Welds
		Inspection and Tests
			UCL-50 General
			UCL-51 Tightness of Applied Lining
			UCL-52 Hydrostatic Test
		Marking and Reports
			UCL-55 General
	Part UCD Requirements for Pressure Vessels Constructed of Cast Ductile Iron
		General
			UCD-1 Scope
			UCD-2 Service Restrictions
			UCD-3 Pressure–Temperature Limitations
		Materials
			UCD-5 General
			UCD-12 Bolt Materials
		Design
			UCD-16 General
			UCD-23 Maximum Allowable Stress Values
			UCD-28 Thickness of Shells Under External Pressure
			UCD-32 Heads With Pressure on Concave Side
			UCD-33 Heads With Pressure on Convex Side
			UCD-35 Spherically Shaped Covers (Heads)
			UCD-36 Openings and Reinforcements
			UCD-37 Corners and Fillets
		Fabrication
			UCD-75 General
			UCD-78 Repairs in Cast Ductile Iron Material
		Inspection and Tests
			UCD-90 General
			UCD-99 Standard Hydrostatic Test
			UCD-101 Hydrostatic Test to Destruction
		Marking and Reports
			UCD-115 General
	Part UHT Requirements for Pressure Vessels Constructed of Ferritic Steels With Tensile Properties Enhanced by Heat Treatment
		General
			UHT-1 Scope
		Materials
			UHT-5 General
			UHT-6 Test Requirements
		Design
			UHT-16 General
			UHT-17 Welded Joints
			UHT-18 Nozzles
			UHT-19 Conical Sections
			UHT-20 Joint Alignment
			UHT-23 Maximum Allowable Stress Values
			UHT-25 Corrosion Allowance
			UHT-27 Thickness of Shells Under External Pressure
			UHT-28 Structural Attachments and Stiffening Rings
			UHT-29 Stiffening Rings for Shells Under External Pressure
			UHT-30 Attachment of Stiffening Rings to Shells
			UHT-32 Formed Heads, Pressure on Concave Side
			UHT-33 Formed Heads, Pressure on Convex Side
			UHT-34 Hemispherical Heads
			UHT-40 Materials Having Different Coefficients of Expansion
			UHT-56 Postweld Heat Treatment
			UHT-57 Examination
		Fabrication
			UHT-75 General
			UHT-79 Forming Pressure Parts
			UHT-80 Heat Treatment
			UHT-81 Heat Treatment Verification Tests
			UHT-82 Welding
			UHT-83 Methods of Metal Removal
			UHT-84 Weld Finish
			UHT-85 Structural and Temporary Welds
			UHT-86 Marking on Plates and Other Materials
		Inspection and Tests
			UHT-90 General
		Marking and Reports
			UHT-115 General
	Part ULW Requirements for Pressure Vessels Fabricated by Layered Construction
		Introduction
			ULW-1 Scope
			ULW-2 Nomenclature
		Material
			ULW-5 General
		Design
			ULW-16 General
			ULW-17 Design of Welded Joints
			ULW-18 Nozzle Attachments and Opening Reinforcement
			ULW-20 Welded Joint Efficiency
			ULW-22 Attachments
			ULW-26 Postweld Heat Treatment
		Welding
			ULW-31 Welded Joints
			ULW-32 Welding Procedure Qualification
			ULW-33 Performance Qualification
		Nondestructive Examination of Welded Joints
			ULW-50 General
			ULW-51 Inner Shells and Inner Heads
			ULW-52 Layers — Welded Joints
			ULW-53 Layers — Step Welded Girth Joints
			ULW-54 Butt Joints
			ULW-55 Flat Head and Tubesheet Weld Joints
			ULW-56 Nozzle and Communicating Chambers Weld Joints
			ULW-57 Random Spot Examination and Repairs of Weld
		Fabrication
			ULW-75 General
			ULW-76 Vent Holes
			ULW-77 Contact Between Layers
			ULW-78 Alternative to Measuring Contact Between Layers During Construction
		Inspection and Testing
			ULW-90 General
		Marking and Reports
			ULW-115 General
	Part ULT Alternative Rules for Pressure Vessels Constructed of Materials Having Higher Allowable Stresses at Low Temperature
		General
			ULT-1 Scope
			ULT-2 Conditions of Service
			ULT-5 General
		Design
			ULT-16 General
			ULT-17 Welded Joints
			ULT-18 Nozzles and Other Connections
			ULT-23 Maximum Allowable Stress Values
			ULT-27 Thickness of Shells
			ULT-28 Thickness of Shells Under External Pressure
			ULT-29 Stiffening Rings for Shells Under External Pressure
			ULT-30 Structural Attachments
			ULT-56 Postweld Heat Treatment
			ULT-57 Examination
		Fabrication
			ULT-75 General
			ULT-79 Forming Shell Sections and Heads
			ULT-82 Welding
			ULT-86 Marking on Plate and Other Materials
		Inspection and Tests
			ULT-90 General
			ULT-99 Hydrostatic Test
			ULT-100 Pneumatic Test
		Marking and Reports
			ULT-115 General
		Overpressure Protection
			ULT-125 General
	Part UHX Rules for Shell-and-Tube Heat Exchangers
		UHX-1 Scope
		UHX-2 Materials and Methods of Fabrication
		UHX-3 Terminology
		UHX-4 Design
		UHX-8 Tubesheet Effective Bolt Load, W*
		UHX-9 Tubesheet Extension
		UHX-10 General Conditions of Applicability for Tubesheets
		UHX-11 Tubesheet Characteristics
		UHX-12 Rules for the Design of U‐Tube Tubesheets
		UHX-13 Rules for the Design of Fixed Tubesheets
		UHX-14 Rules for the Design of Floating Tubesheets
		UHX-16 Bellows Expansion Joints
		UHX-17 Flexible Shell Element Expansion Joints
		UHX-18 Pressure Test Requirements
		UHX-19 Heat Exchanger Marking and Reports
		UHX-20 Examples
	Part UIG Requirements for Pressure Vessels Constructed of Impregnated Graphite
		Nonmandatory Introduction
		General
			UIG-1 Scope
			UIG-2 Equipment and Service Limitations
			UIG-3 Terminology
		Materials
			UIG-5 Raw Material Control
			UIG-6 Certified Material Control
			UIG-7 Additional Properties
			UIG-8 Tolerances for Impregnated Graphite Tubes
		Design
			UIG-22 Loadings
			UIG-23 Maximum Allowable Stress Values for Certified Material
			UIG-27 Thickness of Cylindrical Shells Made of Certified Materials Under Internal Pressure
			UIG-28 External Pressure
			UIG-29 Euler Buckling of Extruded Graphite Tubes
			UIG-34 Calculating Flat Heads, Covers, and Tubesheets
			UIG-36 Openings and Reinforcements
			UIG-45 Nozzle Neck Thickness
			UIG-60 Lethal Service
		Fabrication
			UIG-75 General Requirements
			UIG-76 Procedure and Personnel Qualification
			UIG-77 Certified Material Specification
			UIG-78 Certified Cement Specification
			UIG-79 Certified Cementing Procedure Specification
			UIG-80 Cementing Technician Qualification
			UIG-81 Repair of Materials
			UIG-84 Required Tests
		Inspection and Tests
			UIG-90 General
			UIG-95 Visual Examination
			UIG-96 Qualification of Visual Examination Personnel
			UIG-97 Acceptance Standards and Documentation
			UIG-99 Pressure Tests
			UIG-112 Quality Control Requirements
			UIG-115 Markings and Reports
			UIG-116 Required Markings
			UIG-120 Data Reports
			UIG-121 Records
Mandatory Appendices
	Mandatory Appendix 1 Supplementary Design Formulas
		1-1 Thickness of Cylindrical and Spherical Shells
		1-2 Cylindrical Shells
		1-3 Spherical Shells
		1-4 Formulas for the Design of Formed Heads Under Internal Pressure
		1-5 Rules for Conical Reducer Sections and Conical Heads Under Internal Pressure
		1-6 Dished Covers (Bolted Heads)
		1-7 Large Openings in Cylindrical and Conical Shells
		1-8 Rules for Reinforcement of Cones and Conical Reducers Under External Pressure
	Mandatory Appendix 2 Rules for Bolted Flange Connections With Ring Type Gaskets
		2-1 Scope
		2-2 Materials
		2-3 Notation
		2-4 Circular Flange Types
		2-5 Bolt Loads
		2-6 Flange Moments
		2-7 Calculation of Flange Stresses
		2-8 Allowable Flange Design Stresses
		2-9 Split Loose Flanges
		2-10 Noncircular Shaped Flanges With Circular Bore
		2-11 Flanges Subject to External Pressures
		2-12 Flanges With Nut‐Stops
		2-13 Reverse Flanges
		2-14 Flange Rigidity
		2-15 Qualification of Assembly Procedures and Assemblers
	Mandatory Appendix 3 Definitions
		3-1 Introduction
		3-2 Definitions of Terms
	Mandatory Appendix 4 Rounded Indications Charts Acceptance Standard for Radiographically Determined Rounded Indications in Welds
		4-1 Applicability of These Standards
		4-2 Terminology
		4-3 Acceptance Criteria
	Mandatory Appendix 5 Flexible Shell Element Expansion Joints
		5-1 General
		5-2 Materials
		5-3 Design
		5-4 Fabrication
		5-5 Inspection and Tests
		5-6 Marking and Reports
	Mandatory Appendix 6 Methods for Magnetic Particle Examination (MT)
		6-1 Scope
		6-2 Certification of Competency for Nondestructive Examination Personnel
		6-3 Evaluation of Indications
		6-4 Acceptance Standards
		6-5 Repair Requirements
	Mandatory Appendix 7 Examination of Steel Castings
		7-1 Scope
		7-2 Examination Techniques
		7-3 Examination Requirements
		7-4 Repairs
		7-5 Identification and Marking
	Mandatory Appendix 8 Methods for Liquid Penetrant Examination (PT)
		8-1 Scope
		8-2 Certification of Competency of Nondestructive Examination Personnel
		8-3 Evaluation of Indications
		8-4 Acceptance Standards
		8-5 Repair Requirements
	Mandatory Appendix 9 Jacketed Vessels
		9-1 Scope
		9-2 Types of Jacketed Vessels
		9-3 Materials
		9-4 Design of Jacket Shells and Jacket Heads
		9-5 Design of Closure Member of Jacket to Vessel
		9-6 Design of Penetrations Through Jackets
		9-7 Design of Partial Jackets
		9-8 Fabrication
		9-10 Inspection
	Mandatory Appendix 10 Quality Control System
		10-1 General
		10-2 Outline of Features to Be Included in the Written Description of the Quality Control System
		10-3 Authority and Responsibility
		10-4 Organization
		10-5 Drawings, Design Calculations, and Specification Control
		10-6 Material Control
		10-7 Examination and Inspection Program
		10-8 Correction of Nonconformities
		10-9 Welding
		10-10 Nondestructive Examination
		10-11 Heat Treatment
		10-12 Calibration of Measurement and Test Equipment
		10-13 Records Retention
		10-14 Sample Forms
		10-15 Inspection of Vessels and Vessel Parts
		10-16 Inspection of Pressure Relief Valves
		10-17 Certifications
	Mandatory Appendix 11 Capacity Conversions for Safety Valves
		11-1
			Example 1
			Example 2
			Example 3
			Example 4
		11-2
	Mandatory Appendix 12 Ultrasonic Examination of Welds (UT)
		12-1 Scope
		12-2 Certification of Competence of Nondestructive Examiner
		12-3 Acceptance–Rejection Standards
		12-4 Report of Examination
	Mandatory Appendix 13 Vessels of Noncircular Cross Section
		13-1 Scope
		13-2 Types of Vessels
		13-3 Materials
		13-4 Design of Vessels of Noncircular Cross Section
		13-5 Nomenclature
		13-6 Ligament Efficiency of Multidiameter Holes in Plates
		13-7 Unreinforced Vessels of Rectangular Cross Section
		13-8 Reinforced Vessels of Rectangular Cross Section
		13-9 Stayed Vessels of Rectangular Cross Section [Figure 13-2(a), Sketches (7) and (8)]
		13-10 Unreinforced Vessels Having an Obround Cross Section [Figure 13-2(b), Sketch (1)]
		13-11 Reinforced Vessels of Obround Cross Section [Figure 13-2(b), Sketch (2)]
		13-12 Stayed Vessels of Obround Cross Section [Figure 13-2(b), Sketch (3)]
		13-13 Vessels of Circular Cross Section Having a Single Diametral Staying Member [Figure 13-2(c)]
		13-14 Vessels of Noncircular Cross Section Subject to External Pressure
		13-15 Fabrication
		13-16 Inspection
		13-17 Examples
		13-18 Special Calculations
	Mandatory Appendix 14 Integral Flat Heads With a Large, Single, Circular, Centrally Located Opening
		14-1 Scope
		14-2 Nomenclature
		14-3 Design Procedure
		14-4 Data Reports
	Mandatory Appendix 17 Dimpled or Embossed Assemblies
		17-1 Scope
		17-2 Service Restrictions
		17-3 Materials
		17-4 Thickness Limitations
		17-5 Maximum Allowable Working Pressure (MAWP)
		17-6 Design Limitations
		17-7 Welding Control
		17-8 Quality Control
		17-9 Records
		17-10 Data Reports
	Mandatory Appendix 18 Adhesive Attachment of Nameplates
		18-1 Scope
		18-2 Nameplate Application Procedure Qualification
	Mandatory Appendix 19 Electrically Heated or Gas-Fired Jacketed Steam Kettles
		19-1 Scope
		19-2 Service Restrictions
		19-3 Materials
		19-4 Design
		19-5 Inspection and Stamping
		19-6 Pressure Relief
		19-7 Appurtenances and Controls
		19-8 Data Reports
	Mandatory Appendix 20 Hubs Machined From Plate
		20-1 Scope
		20-2 Material
		20-3 Examination Requirements
		20-4 Data Reports
	Mandatory Appendix 21 Jacketed Vessels Constructed of Work‐Hardened Nickel
		21-1 Scope
		21-2 Design Requirements
		21-3 Fabrication
		21-4 Data Reports
	Mandatory Appendix 22 Integrally Forged Vessels
		22-1 Scope
		22-2 Material
		22-3 Design
		22-4 Heat Treatment
		22-5 Marking
		22-6 Data Reports
	Mandatory Appendix 23 External Pressure Design of Copper, Copper Alloy, and Titanium Alloy Condenser and Heat Exchanger Tubes With Integral Fins
		23-1 Scope
		23-2 Materials
		23-3 Test Procedure
		23-4 Criteria
		23-5 Data Reports
	Mandatory Appendix 24 Design Rules for Clamp Connections
		24-1 Scope
		24-2 Materials
		24-3 Notation
		24-4 Bolt Loads
		24-5 Hub Moments
		24-6 Calculation of Hub Stresses
		24-7 Calculation of Clamp Stresses
		24-8 Allowable Design Stresses for Clamp Connections
	Mandatory Appendix 26 Bellows Expansion Joints
		26-1 Scope
		26-2 Conditions of Applicability
		26-3 Nomenclature
		26-4 Design Considerations
			26-4.1 General
			26-4.2 Fatigue
			26-4.3 Torsion
		26-5 Materials
		26-6 Design of U‐Shaped Unreinforced Bellows
			26-6.1 Scope
			26-6.2 Conditions of Applicability
			26-6.3 Internal Pressure Capacity
			26-6.4 Instability Due to Internal Pressure
			26-6.5 External Pressure Strength
			26-6.6 Fatigue Evaluation
			26-6.7 Axial Stiffness
		26-7 Design of U‐Shaped Reinforced Bellows
			26-7.1 Scope
			26-7.2 Conditions of Applicability
			26-7.3 Internal Pressure Capacity
			26-7.4 Instability Due to Internal Pressure
			26-7.5 External Pressure Strength
			26-7.6 Fatigue Evaluation
			26-7.7 Axial Stiffness
		26-8 Design of Toroidal Bellows
			26-8.1 Scope
			26-8.2 Conditions of Applicability
			26-8.3 Internal Pressure Capacity
			26-8.4 Instability Due to Internal Pressure
			26-8.5 External Pressure Strength
			26-8.6 Fatigue Evaluation
			26-8.7 Axial Stiffness
		26-9 Bellows Subjected to Axial, Lateral, or Angular Displacements
			26-9.1 General
			26-9.2 Axial Displacement
			26-9.3 Lateral Deflection
			26-9.4 Angular Rotation
			26-9.5 Total Equivalent Axial Displacement Per Convolution
			26-9.6 Total Equivalent Axial Displacement Range per Convolution
		26-10 Fabrication
		26-11 Examination
		26-12 Pressure Test Requirements
			26-12.1 Design Requirements
			26-12.2 Test Requirements
		26-13 Marking and Reports
		26-14 Examples
		26-15 Polynomial Approximation for Coefficients Cp, Cf, Cd
			26-15.1 Coefficient Cp
			26-15.2 Coefficient Cf
			26-15.3 Coefficient Cd
	Mandatory Appendix 27 Alternative Requirements for Glass‐Lined Vessels
		27-1 Scope
		27-2 Permissible Out‐of‐Roundness of Cylindrical Shells Under Internal Pressure
		27-3 Permissible Tolerance for Hemispherical or 2:1 Ellipsoidal Heads
		27-4 Hydrostatic Test
		27-5 Heat Treatment of Test Specimens
		27-6 Low Temperature Operation
		27-7 Postweld Heat Treatment
		27-8 Data Reports
	Mandatory Appendix 30 Rules for Drilled Holes Not Penetrating Through Vessel Wall
		30-1 Scope
		30-2 Supplementary Requirements
		30-3 Nomenclature
	Mandatory Appendix 31 Rules for Cr–Mo Steels With Additional Requirements for Welding and Heat Treatment
		31-1 Scope
		31-2 Postweld Heat Treatment
		31-3 Test Specimen Heat Treatment
		31-4 Welding Procedure Qualification and Welding Consumables Testing
		31-5 Toughness Requirements
	Mandatory Appendix 32 Local Thin Areas in Cylindrical Shells and in Spherical Segments of Shells
		32-1 Scope
		32-2 General Requirements
		32-3 Nomenclature
		32-4 Allowable Locations for Local Thin Areas
		32-5 Blend Grinding Requirements for Local Thin Areas
		32-6 Single Local Thin Areas in Cylindrical Shells
		32-7 Multiple Local Thin Areas in Cylindrical Shells
		32-8 Single Local Thin Areas in Spherical Segments of Shells
		32-9 Multiple Local Thin Areas in Spherical Segments of Shells
		32-10 Data Reports
	Mandatory Appendix 33 Standard Units for Use in Equations
	Mandatory Appendix 34 Requirements for Use of High Silicon Stainless Steels for Pressure Vessels
		34-1 Scope
		34-2 Heat Treatment
		34-3 Weld Procedure Qualification
		34-4 Toughness Requirements
		34-5 Additional Requirements
	Mandatory Appendix 35 Rules for Mass Production of Pressure Vessels
		35-1 Introduction
		35-2 Scope
		35-3 General
		35-4 Quality Control Procedures
		35-5 Data Reports
		35-6 Pneumatic Testing
		35-7 Hydrostatic Testing
	Mandatory Appendix 36 Standard Test Method for Determining the Flexural Strength of Certified Materials Using Three‐Point Loading
		36-1 Scope
		36-2 Terminology
		36-3 Apparatus
		36-4 Test Specimen
		36-5 Procedure
		36-6 Test Data Record
		36-7 Calculation
		36-8 Report
	Mandatory Appendix 37 Standard Test Method for Determining the Tensile Strength of Certified Impregnated Graphite Materials
		37-1 Scope
		37-2 Terminology
		37-3 Apparatus
		37-4 Test Specimens
		37-5 Procedure
		37-6 Test Data Record
		37-7 Calculations
		37-8 Reports
	Mandatory Appendix 38 Standard Test Method for Compressive Strength of Impregnated Graphite
		38-1 Scope
		38-2 Referenced Documents
		38-3 Terminology
		38-4 Significance and Use
		38-5 Apparatus
		38-6 Sampling
		38-7 Test Specimen
		38-8 Procedure
		38-9 Calculation
		38-10 Report
		38-11 Precision and Bias
	Mandatory Appendix 39 Testing the Coefficient of Permeability of Impregnated Graphite
		39-1 Scope and Field of Application
		39-2 Concept
		39-3 Principle
		39-4 Apparatus
		39-5 Specimens
		39-6 Procedure
		39-7 Test Report
		39-8 Precision
	Mandatory Appendix 40 Thermal Expansion Test Method for Graphite and Impregnated Graphite
		40-1 Scope
		40-2 Test Method
		40-3 Equipment
		40-4 Test Specimen
		40-5 Testing Process
		40-6 Thermal Expansion Factor
			40-6.1 Linear Average Factor From θo to θm
			40-6.2 Factor at θm
			40-6.3 Report
	Mandatory Appendix 41 Electric Immersion Heater Element Support Plates
		41-1 Scope
		41-2 Materials and Methods of Fabrication
		41-3 Terminology
		41-4 Conditions of Applicability for EIH Support Plates
		41-5 Nomenclature
		41-6 Design Considerations
		41-7 Calculation Procedure
		41-8 Pressure Test Requirement
		41-9 Data Reports
		41-10 Example
			41-10.1 Data Summary
	Mandatory Appendix 42 Diffusion Bonding
		42-1 General
		42-2 Diffusion Bonding Procedure Specification (DBPS)
		42-3 Diffusion Bonding Procedure Qualification Record (PQR)
		42-4 Diffusion Bonding Performance Qualification (DBPQ)
		42-5 Diffusion Bonding Variables
			42-5.1 Essential Variables for All Diffusion Bonding Processes
			42-5.2 Nonessential Variables
		42-6 Mechanical Testing of DBPQ and DBPS Diffusion Bonded Blocks
			42-6.1 Number of Test Samples
			42-6.2 Mechanical Testing
		42-7 Production Diffusion Bond Examination
		42-8 Design
	Mandatory Appendix 43 Establishing Governing Code Editions and Cases for Pressure Vessels and Parts
		43-1 General
		43-2 Construction
		43-3 Materials
	Mandatory Appendix 44 Cold Stretching of Austenitic Stainless Steel Pressure Vessels
		44-1 Scope
		44-2 General Requirements
		44-3 Nomenclature
		44-4 Materials and Allowable Design Stress
		44-5 Design
		44-6 Fabrication Process
			44-6.1 Welding and Examination
			44-6.2 Cold-Stretching Operation
			44-6.3 Cold-Stretching Procedure Record
		44-7 Stamping and Certification
	Mandatory Appendix 45 Plate Heat Exchangers
		45-1 Scope
		45-2 Materials of Construction
		45-3 Terminology
			45-3.1 General
			45-3.2 Definitions of Gasketed or Semiwelded PHE Components
			45-3.3 Definitions of Fully Welded PHE Components
			45-3.4 Definitions of Brazed PHE Components
		45-4 Conditions of Applicability
		45-5 Design Considerations
		45-6 Calculation Procedure
		45-7 Pressure Test Requirements
		45-8 Manufacturer’s Data Reports
	Mandatory Appendix 46 Rules for Use of Section VIII, Division 2
		46-1 Scope
		46-2 Allowable Design Stress and Other Material Rules
		46-3 Design by Rule
		46-4 Design by Analysis
Nonmandatory Appendices
	Nonmandatory Appendix A Basis for Establishing Allowable Loads for Tube‐to‐Tubesheet Joints
		A-1 General
		A-2 Maximum Axial Loadings
		A-3 Shear Load Test
		A-4 Acceptance Standards for fr Determined by Test
		A-5 Acceptance Standards for Proposed Operating Temperatures Determined by Test
	Nonmandatory Appendix C Suggested Methods for Obtaining the Operating Temperature of Vessel Walls in Service
		C-1 Thermocouple Installation
		C-2 Alternative Thermocouple Installation
	Nonmandatory Appendix D Suggested Good Practice Regarding Internal Structures
		D-1 Introduction
		D-2 Internal Structures Support
		D-3 Internal Structures Support Guidelines
	Nonmandatory Appendix E Suggested Good Practice Regarding Corrosion Allowance
		E-1 General
		E-2 Predictable Corrosion Rate
		E-3 Indeterminate Corrosion Rate
		E-4 Negligible Corrosion Rate
		E-5 Corrosive Service
		E-6 External Attachment Corrosion Rate
	Nonmandatory Appendix F Suggested Good Practice Regarding Linings
		F-1 General
		F-2 Metal Linings
		F-3 Paint
		F-4 Hydrotest Considerations for Metal Linings
	Nonmandatory Appendix G Suggested Good Practice Regarding Piping Reactions and Design of Supports and Attachments
		G-1 General
		G-2 Supports Considerations
		G-3 Vertical Vessels, Post Supported
		G-4 Vertical Vessels Supported at Shell
		G-5 Vertical Vessels, Skirt Supported
		G-6 Horizontal Vessel Supports
		G-7 Horizontal Gas Storage Tank Supports
		G-8 Attachments Subject to Cyclic Loading
		G-9 Additional References
	Nonmandatory Appendix H Guidance to Accommodate Loadings Produced by Deflagration
		H-1 Scope
		H-2 General
		H-3 Design Limitations
		H-4 Design Criteria
			H-4.1 Safety Margin
			H-4.2 Likelihood of Occurrence
			H-4.3 Consequences of Occurrence
			H-4.4 Strain Concentration
		H-5 References
	Nonmandatory Appendix K Sectioning of Welded Joints
		K-1 Etch Tests
		K-2 Closure of Openings Resulting From Sectioning
	Nonmandatory Appendix L Application of Rules for Joint Efficiency in Shells and Heads of Vessels With Welded Joints
		L-1 Vessels Under Internal Pressure
			L-1.1 Introduction
			L-1.2 Requirements for Radiography
			L-1.3 Application of Joint Efficiency Factors
			L-1.4 Flowcharts
	Nonmandatory Appendix M Installation and Operation
		M-1 Introduction
		M-2 Corrosion
		M-3 Marking on the Vessel
		M-4 Pressure-Relieving Devices
		M-5 Stop Valves Located in the Relief Path
			M-5.1 General
			M-5.2 Definitions
			M-5.3 Responsibilities
			M-5.4 Requirements of Procedures/Management System
			M-5.5 Stop Valves Provided in Systems for Which the Pressure Originates Exclusively From an Outside Source
			M-5.6 Stop Valve(s) Provided Upstream or Downstream of the Pressure Relief Device Exclusively for Maintenance of That Device
			M-5.7 Stop Valve(s) Provided in the Pressure Relief Path Where There Is Normally Process Flow
			M-5.8 Stop Valves Provided in the Relief Path of Equipment Where There Is Normally Process Flow and Where Fire Is the Only Potential Source of Overpressure
		M-6 Inlet Pressure Drop for High Lift, Top-Guided Safety, Safety Relief, and Pilot-Operated Pressure Relief Valves in Compressible Fluid Service
		M-7 Discharge Lines From Pressure Relief Devices
		M-8 Pressure Drop, Nonreclosing Pressure Relief Devices
		M-9 General Advisory Information on the Characteristics of Pressure Relief Devices Discharging Into a Common Header
		M-10 Pressure Differentials for Pressure Relief Valves
		M-11 Installation of Safety and Safety Relief Valves
		M-12 Reaction Forces and Externally Applied Loads
		M-13 Sizing of Pressure Relief Devices for Fire Conditions
		M-14 Pressure-Indicating Device
	Nonmandatory Appendix P Basis for Establishing Allowable Stress Values for UCI, UCD, and ULT Materials
		P-1
	Nonmandatory Appendix R Preheating
		Introduction
			R-1 P‐No. 1 Group Nos. 1, 2, and 3
			R-2 P‐No. 3 Group Nos. 1, 2, and 3
			R-3 P‐No. 4 Group Nos. 1 and 2
			R-4 P‐Nos. 5A and 5B Group No. 1
			R-5 P‐No. 6 Group Nos. 1, 2, and 3
			R-6 P‐No. 7 Group Nos. 1 and 2
			R-7 P‐No. 8 Group Nos. 1 and 2
			R-8 P‐No. 9 Groups
			R-9 P‐No. 10 Groups
			R-10 P‐No. 11 Groups
			R-11 P‐No. 15E Group No. 1
	Nonmandatory Appendix S Design Considerations for Bolted Flange Connections
		S-1 Bolting
	Nonmandatory Appendix T Temperature Protection
	Nonmandatory Appendix W Guide for Preparing Manufacturer’s Data Reports
		W-1 Guide for Preparing Manufacturer’s Data Reports
		W-2 Guide for Preparing Supplemental Data Reports for Parts Constructed of Graphite
	Nonmandatory Appendix Y Flat Face Flanges With Metal‐to‐Metal Contact Outside the Bolt Circle
		Y-1 General
		Y-2 Materials
		Y-3 Notation
		Y-4 Bolt Loads
		Y-5 Classification of Assemblies and Categorization of Individual Flanges
			Y-5.1 Classification of a Nonmandatory Appendix Y Assembly
			Y-5.2 Categorization of a Nonmandatory Appendix Y Flange
		Y-6 Flange Analysis
			Y-6.1 The Analysis of a Class 1 Assembly
			Y-6.2 The Analysis of a Class 2 Assembly
			Y-6.3 The Analysis of a Class 3 Assembly
		Y-7 Allowable Flange Design Stresses
		Y-8 Prestressing the Bolts
		Y-9 Estimating Flange Thicknesses and Bolting
		Y-10
	Nonmandatory Appendix DD Guide to Information Appearing on Certificate of Authorization
	Nonmandatory Appendix EE Half‐Pipe Jackets
		EE-1 General
		EE-2 Half‐Pipe Jackets
		EE-3 Jackets With Other Geometries
	Nonmandatory Appendix FF Guide for the Design and Operation of Quick‐Actuating and Quick‐Opening Closures
		FF-1 Introduction
		FF-2 Responsibilities
		FF-3 Design
		FF-4 Installation
		FF-5 Maintenance
		FF-6 Inspection
		FF-7 Training
		FF-8 Administrative Controls
	Nonmandatory Appendix GG Guidance for the Use of U.S. Customary and SI Units in the ASME Boiler and Pressure Vessel Code
		GG-1 Use of Units in Equations
		GG-2 Guidelines Used to Develop SI Equivalents
		GG-3 Soft Conversion Factors
	Nonmandatory Appendix HH Tube Expanding Procedures and Qualification
		HH-1 General
		HH-2 Scope
		HH-3 Terms and Definitions
		HH-4 Tube Expanding Procedure Specification (TEPS)
		HH-5 Tube Expanding Procedure Qualification
			HH-5.1 No Test Qualification
			HH-5.2 Test Qualification
			HH-5.3 Tube Expanding Procedure Qualification Record (TEPQR) for Test Joint Efficiencies
		HH-6 Tube Expanding Performance Qualification (TEPQ)
			HH-6.1 No Test Qualification
			HH-6.2 Test Qualification
		HH-7 Tube Expanding Variables
			HH-7.1 Essential Variables for All Expanding Processes
			HH-7.2 Essential Variables for Roller Expanding
			HH-7.3 Essential Variables for Hydraulic Expanding
			HH-7.4 Essential Variables for Explosive Expanding
			HH-7.5 Essential Variables for Hybrid Expanding
			HH-7.6 Nonessential Variables
	Nonmandatory Appendix JJ Flowcharts Illustrating Toughness Testing Requirements and Exemptions From Toughness Testing by the Rules of UHA-51
		JJ-1 UHA-51 Toughness Test Requirements for High Alloy Vessels
			JJ-1.1 Introduction
			JJ-1.2 Flowcharts
	Nonmandatory Appendix KK Guide for Preparing User’s Design Requirements
		KK-1 Introduction
	Nonmandatory Appendix LL Graphical Representations of Ft,min and Ft,max
	Nonmandatory Appendix MM Alternative Marking and Stamping of Graphite Pressure Vessels
		MM-1 General Requirements
		MM-2 Application of the Certification Mark
		MM-3 Application of Characters Directly to Graphite
		MM-4 Acceptance Criterion
	Nonmandatory Appendix NN Guidance to the Responsibilities of the User and Designated Agent
		NN-1 Introduction
		NN-2 Information Regarding the “User” Designation
		NN-3 Information Regarding the User’s “Designated Agent”
		NN-4 Common Scenarios Involving the “User” or “Designated Agent” Responsibilities
		NN-5 Examples Illustrating the NN-4 Common Scenarios Involving the “User or His Designated Agent”
		NN-6 Specific Code-Assigned Responsibilities
Figures
	UG-28 Diagrammatic Representation of Variables for Design of Cylindrical Vessels Subjected to External Pressure
	UG-28.1 Diagrammatic Representation of Lines of Support for Design of Cylindrical Vessels Subjected to External Pressure
	UG-29.1 Various Arrangements of Stiffening Rings for Cylindrical Vessels Subjected to External Pressure
	UG-29.2 Maximum Arc of Shell Left Unsupported Because of Gap in Stiffening Ring of Cylindrical Shell Under External Pressure
	UG-30 Some Acceptable Methods of Attaching Stiffening Rings
	UG-33.1 Length Lc of Some Typical Conical Sections for External Pressure
	UG-34 Some Acceptable Types of Unstayed Flat Heads and Covers
	UG-36 Large Head Openings — Reverse-Curve and Conical Shell-Reducer Sections
	UG-37 Chart for Determining Value of F, as Required in UG-37
	UG-37.1 Nomenclature and Formulas for Reinforced Openings
	UG-38 Minimum Depth for Flange of Flued‐In Openings
	UG-39 Openings in Flat Heads and Covers
	UG-40 Some Representative Configurations Describing the Reinforcement Dimension te and the Opening Dimension d
	UG-41.1 Nozzle Attachment Weld Loads and Weld Strength Paths to Be Considered
	UG-42 Examples of Multiple Openings
	UG-47 Acceptable Proportions for Ends of Stays
	UG-53.1 Example of Tube Spacing With Pitch of Holes Equal in Every Row
	UG-53.2 Example of Tube Spacing With Pitch of Holes Unequal in Every Second Row
	UG-53.3 Example of Tube Spacing With Pitch of Holes Varying in Every Second and Third Row
	UG-53.4 Example of Tube Spacing With Tube Holes on Diagonal Lines
	UG-53.5 Diagram for Determining the Efficiency of Longitudinal and Diagonal Ligaments Between Openings in Cylindrical Shells
	UG-53.6 Diagram for Determining Equivalent Longitudinal Efficiency of Diagonal Ligaments Between Openings in Cylindrical Shells
	UG-80.1 Maximum Permissible Deviation From a Circular Form e for Vessels Under External Pressure
	UG-80.2 Example of Differences Between Maximum and Minimum Inside Diameters in Cylindrical, Conical, and Spherical Shells
	UG-84 Simple Beam Impact Test Specimens (Charpy Type Test)
	UG-84.1 Charpy V‐Notch Impact Test Requirements for Full-Size Specimens for Carbon and Low Alloy Steels, Having a Specified Minimum Tensile Strength of Less Than 95 ksi, Listed in Table UCS-23
	UG-84.1M Charpy V‐Notch Impact Test Requirements for Full-Size Specimens for Carbon and Low Alloy Steels, Having a Specified Minimum Tensile Strength of Less Than 655 MPa, Listed in Table UCS-23
	UG-84.5 HAZ Impact Specimen Removal
	UG-116 Official Certification Mark to Denote the American Society of Mechanical Engineers’ Standard
	UG-118 Form of Stamping
	UG-129.1 Official Certification Mark to Denote the American Society of Mechanical Engineers’ Standard for Pressure Relief Valves
	UG-129.2 Official Certification Mark to Denote the American Society of Mechanical Engineers’ Standard for Nonreclosing Pressure Relief Devices
	UW-3 Illustration of Welded Joint Locations Typical of Categories A, B, C, and D
	UW-9-1 Butt Welding of Plates of Unequal Thickness
	UW-9-2 Butt Welding of Components to Thickened Neck Nozzles
	UW-13.1 Heads Attached to Shells
	UW-13.3 Typical Pressure Parts With Butt-Welded Hubs
	UW-13.4 Nozzle Necks Attached to Piping of Lesser Wall Thickness
	UW-13.5 Fabricated Lap Joint Stub Ends for Lethal Service
	UW-16.1 Some Acceptable Types of Welded Nozzles and Other Connections to Shells, Heads, etc
	UW-16.2 Some Acceptable Types of Small Standard Fittings
	UW-16.3 Some Acceptable Types of Small Bolting Pads
	UW-21 Welds of Socket Weld Flanges to Nozzle Necks
	UB-14 Examples of Filler Metal Application
	UB-16 Some Acceptable Types of Brazed Joints
	UCS-66 Impact Test Exemption Curves
	UCS-66M Impact Test Exemption Curves
	UCS-66.1 Reduction in Minimum Design Metal Temperature Without Impact Testing
	UCS-66.1M Reduction in Minimum Design Metal Temperature Without Impact Testing
	UCS-66.2 Diagram of UCS-66 Rules for Determining Lowest Minimum Design Metal Temperature (MDMT) Without Impact Testing
	UCS-66.3 Some Typical Vessel Details Showing the Governing Thicknesses as Defined in UCS-66
	UHA-51-1 Weld Metal Delta Ferrite Content
	UHT-6.1 Charpy V‐Notch Impact Test Requirements
	UHT-6.1M Charpy V‐Notch Impact Test Requirements
	UHT-18.2 Acceptable Full Penetration Welded Nozzle Attachments Radiographable With Difficulty and Generally Requiring Special Techniques Including Multiple Exposures to Take Care of Thickness Variations
	ULW-2.1 Some Acceptable Layered Shell Types
	ULW-2.2 Some Acceptable Layered Head Types
	ULW-17.2 Some Acceptable Solid Head Attachments to Layered Shell Sections
	ULW-17.3 Some Acceptable Flat Heads and Tubesheets With Hubs Joining Layered Shell Sections
	ULW-17.4 Some Acceptable Flanges for Layered Shells
	ULW-17.5 Some Acceptable Layered Head Attachments to Layered Shells
	ULW-17.6 Some Acceptable Welded Joints of Layered‐to‐Layered and Layered‐to‐Solid Sections
	ULW-18.1 Some Acceptable Nozzle Attachments in Layered Shell Sections
	ULW-22 Some Acceptable Supports for Layered Vessels
	ULW-32.1 Solid‐to‐Layered and Layered‐to‐Layered Test Plates
	ULW-32.2
	ULW-32.3
	ULW-32.4
	ULW-54.1
	ULW-54.2
	ULW-77
	UHX-3 Terminology of Heat Exchanger Components
	UHX-4-1 Nozzles Adjacent to Tubesheets
	UHX-9 Some Representative Configurations Describing the Minimum Required Thickness of the Tubesheet Flanged Extension, hr
	UHX-10 Integral Channels
	UHX-11.3-1 Tubesheet Geometry
	UHX-11.3-2 Typical Untubed Lane Configurations
	UHX-11.3-3 Location of Tubesheet Metal Temperature, T', at Rim
	UHX-11.5.2-1 Curves for the Determination of E*/E and ν* (Equilateral Triangular Pattern)
	UHX-11.5.2-2 Curves for the Determination of E*/E and ν* (Square Pattern)
	UHX-12.1 U‐Tube Tubesheet Configurations
	UHX-12.2 Tube Layout Perimeter
	UHX-13.1 Fixed Tubesheet Configurations
	UHX-13.2 Zd, Zv, Zw, and Zm Versus Xa
	UHX-13.5.7-1 Fm Versus Xa (0.0 ≤ Q3 ≤ 0.8)
	UHX-13.5.7-2 Fm Versus Xa (−0.8 ≤ Q3 ≤ 0.0)
	UHX-13.10.3-1 Kettle Shell
	UHX-14.2 Stationary Tubesheet Configurations
	UIG-34-1 Typical Graphite Shell and Tube Heat Exchanger
	UIG-34-2 Fixed Tubesheet Configurations
	UIG-34-3 Floating Tubesheet Configurations
	UIG-34-4 Tubesheet Geometry
	UIG-36-1 Unacceptable Nozzle Attachment Details
	UIG-36-2 Some Acceptable Nozzle Attachment Details in Impregnated Graphite Pressure Vessels
	UIG-76-1 Tension Test Specimen
	UIG-76-2 Cement Material Tension Test Specimen
	UIG-76-3 Tube-to-Tubesheet Tension Test Specimen
	UIG-76-4 Tube Cement Joint Tension Test Specimen
	UIG-76-5 Tube Tension Test Specimen
	1-4 Principal Dimensions of Typical Heads
	1-6 Dished Covers With Bolting Flanges
	1-7-1
	1-7-2
	2-4 Types of Flanges
	2-7.1 Values of T, U, Y, and Z (Terms Involving K)
	2-7.2 Values of F (Integral Flange Factors)
	2-7.3 Values of V (Integral Flange Factors)
	2-7.4 Values of FL (Loose Hub Flange Factors)
	2-7.5 Values of VL (Loose Hub Flange Factors)
	2-7.6 Values of f (Hub Stress Correction Factor)
	2-13.1 Reverse Flange
	2-13.2 Loose Ring Type Reverse Flange
	4-1 Aligned Rounded Indications
	4-2 Groups of Aligned Rounded Indications
	4-3 Charts for t Equal to 1/8 in. to 1/4 in. (3 mm to 6 mm), Inclusive
	4-4 Charts for t Over 1/4 in. to 3/8 in. (6 mm to 10 mm), Inclusive
	4-5 Charts for t Over 3/8 in. to 3/4 in. (10 mm to 19 mm), Inclusive
	4-6 Charts for t Over 3/4 in. to 2 in. (19 mm to 50 mm), Inclusive
	4-7 Charts for t Over 2 in. to 4 in. (50 mm to 100 mm), Inclusive
	4-8 Charts for t Over 4 in. (100 mm)
	5-1 Typical Flexible Shell Element Expansion Joints
	5-2 Typical Nozzle Attachment Details Showing Minimum Length of Straight Flange or Outer Shell Element
	9-2 Some Acceptable Types of Jacketed Vessels
	9-5 Some Acceptable Types of Jacket Closures
	9-6 Some Acceptable Types of Penetration Details
	9-7
	11-1 Constant, C, for Gas or Vapor Related to Ratio of Specific Heats (k = cp/cv)
	11-1M Constant, C, for Gas or Vapor Related to Ratio of Specific Heats (k = cp/cv)
	11-2 Flow Capacity Curve for Rating Nozzle-Type Safety Valves on Saturated Water (Based on 10% Overpressure)
	11-2M Flow Capacity Curve for Rating Nozzle-Type Safety Valves on Saturated Water (Based on 10% Overpressure)
	13-2(a) Vessels of Rectangular Cross Section
	13-2(b) Vessels of Obround Cross Section
	13-2(c) Vessel of Circular Cross Section With Central Dividing Plate
	13-6 Plate With Multidiameter Hole Pattern
	13-14(a)
	13-14(b) Orientation of Panel Dimensions and Stresses
	14-1 Integral Flat Head With Large Central Opening
	17-1 Two Embossed Plates
	17-2 Two Dimpled Plates
	17-3 Embossed Plate to Plain Plate
	17-4 Arc‐Spot‐Welded Two‐Layer Assembly
	17-5 Dimpled Plate Welded to Plain Plate
	17-6 Three‐Ply Assemblies
	17-7 Single‐Spot‐Weld Tension Specimen, Two‐Ply Joint
	17-8 Seam‐Weld Specimen for Tension and Macrosection, Two‐Ply Joint
	17-9 Single Spot‐Weld Tension Specimen for Three‐Ply Joint
	17-10 Seam‐Weld Specimen for Tension and Macrosection for Three‐Ply Joint
	17-11 Gas Metal Arc‐Spot‐Weld Block for Macrosections and Strength Tests
	17-12 Gas Metal Arc‐Spot‐Weld Block for Bend Tests
	17-13 Gas Tungsten‐Arc Seam Weld, Plasma‐Arc Seam Weld, Submerged‐Arc Seam Weld, and Laser Beam Seam Weld Test Specimen for Bend Tests
	17-14
	17-15
	17-16 Peel Test
	17-17 Complete Penetration Welding Per 17-1(c)
	22-1 Typical Sections of Special Seamless Vessels
	24-1 Typical Hub and Clamp
	24-2 Typical Clamp Lug Configurations
	26-1-1 Typical Bellows Expansion Joints
	26-1-2 Starting Points for the Measurement of the Length of Shell on Each Side of the Bellows
	26-2 Dimensions to Determine Ixx
	26-3 Possible Convolution Profile in the Neutral Position
	26-4 Coefficient Cp
	26-5 Coefficient Cf
	26-6 Coefficient Cd
	26-7 Bellows Subjected to an Axial Displacement x
	26-8 Bellows Subjected to a Lateral Deflection y
	26-9 Bellows Subjected to an Angular Rotation θ
	26-10 Cyclic Displacements
	26-11 Cyclic Displacements
	26-12 Cyclic Displacements
	26-13 Some Typical Expansion Bellows to Weld End Details
	26-14 Toroidal Bellows Manufacturing Tolerances
	30-1 Thickness Ratio Versus Diameter Ratio
	31-1
	32-3 Nomenclature
	32-4-1 Limits for Torispherical Head
	32-4-2 Limits for Ellipsoidal Head
	32-4-3 Limits for Hemispherical Head
	32-5-1 LTA Blend Grinding
	36-4-1 Test Specimen Arrangement
	39-4-1 Schematic Diagram of Vacuum Apparatus
	40-3-1 Typical Equipment (Dilometer) for Thermal Expansion Test
	40-6-1 Typical Recording Curve in Thermal Expansion Test, ΔLt = f(θ)
	41-1-1 EIH Support Plate Gasketed With Mating Flange
	41-4-1 Typical EIH Support Plate and Element Geometry
	41-5-1 Some Representative Configurations Describing the Minimum Required Thickness of the EIH Support Plate Flanged Extension, hr
	45-3.1-1 Typical Plate Heat Exchanger
	A-2 Some Acceptable Types of Tube‐to‐Tubesheet Welds
	A-3 Typical Test Fixtures for Expanded or Welded Tube‐to‐Tubesheet Joints
	L-1.4-1 Joint Efficiency and Weld Joint Type — Cylinders and Cones
	L-1.4-2 Joint Efficiency and Weld Joint Type — Heads
	L-1.4-3 Joint Efficiencies for Category A and D Welded Joints in Shells, Heads, or Cones
	L-1.4-4 Joint Efficiencies for Category B and C Welded Joints in Shells or Cones
	W-3.1 Example of the Use of Form U-4
	Y-3.1
	Y-3.2 Flange Dimensions and Forces
	Y-5.1.1 Class 1 Flange Assembly (Identical Flange Pairs)
	Y-5.1.2 Class 2 Flange Assembly
	Y-5.1.3 Class 3 Flange Assembly
	EE-1 NPS 2 Pipe Jacket
	EE-2 NPS 3 Pipe Jacket
	EE-3 NPS 4 Pipe Jacket
	EE-4
	EE-5
	JJ-1.2-1 Austenitic Stainless Steel Base Metal and HAZ Toughness Testing Requirements
	JJ-1.2-2 Welding Procedure Qualification With Toughness Testing Requirements for Austenitic Stainless Steel
	JJ-1.2-3 Welding Consumable Pre‐Use Testing Requirements for Austenitic Stainless Steel
	JJ-1.2-4 Production Toughness Testing Requirements for Austenitic Stainless Steel
	JJ-1.2-5 Austenitic-Ferritic Duplex, Ferritic Chromium, and Martensitic Stainless Steel Toughness Testing Requirements
	LL-1 Graphical Representation of Ft,min
	LL-2 Graphical Representation of Ft,max
Tables
	U-3 Year of Acceptable Edition of Referenced Standards in This Division
	U-4-1 Standard Units for Use in Equations
	UG-33.1 Values of Spherical Radius Factor Ko for Ellipsoidal Head With Pressure on Convex Side
	UG-37 Values of Spherical Radius Factor K1
	UG-43 Minimum Number of Pipe Threads for Connections
	UG-44-1 Moment Factor, FM
	UG-45 Nozzle Minimum Thickness Requirements
	UG-79-1 Equations for Calculating Forming Strains
	UG-84.2 Charpy Impact Test Temperature Reduction Below Minimum Design Metal Temperature
	UG-84.3 Specifications for Impact Tested Materials in Various Product Forms
	UG-84.4 Impact Test Temperature Differential
	UG-84.6 Required HAZ Impact Test Specimen Set Removal
	UW-12 Maximum Allowable Joint Efficiencies for Welded Joints
	UW-16.1 Minimum Thickness Requirements for Fittings
	UW-33
	UB-2 Maximum Design Temperatures for Brazing Filler Metal
	UB-17 Recommended Joint Clearances at Brazing Temperature
	UCS-23 Carbon and Low Alloy Steel
	UCS-56-1 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 1
	UCS-56-2 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 3
	UCS-56-3 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 4
	UCS-56-4 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-Nos. 5A, 5B, and 5C
	UCS-56-5 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 9A
	UCS-56-6 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 9B
	UCS-56-7 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 10A
	UCS-56-8 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 10B
	UCS-56-9 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 10C
	UCS-56-11 Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels — P-No. 15E
	UCS-56.1 Alternative Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels
	UCS-57 Thickness Above Which Full Radiographic Examination of Butt-Welded Joints Is Mandatory
	UCS-66 Tabular Values for Figure UCS-66 and Figure UCS-66M
	UCS-79-1 Post-Cold-Forming Strain Limits and Heat Treatment Requirements for P-No. 15E Materials
	UNF-23.1 Nonferrous Metals — Aluminum and Aluminum Alloy Products
	UNF-23.2 Nonferrous Metals — Copper and Copper Alloys
	UNF-23.3 Nonferrous Metals — Nickel, Cobalt, and High Nickel Alloys
	UNF-23.4 Nonferrous Metals — Titanium and Titanium Alloys
	UNF-23.5 Nonferrous Metals — Zirconium
	UNF-79 Postfabrication Strain Limits and Required Heat Treatment
	UHA-23 High Alloy Steel
	UHA-32-1 Postweld Heat Treatment Requirements for High Alloy Steels — P-No. 6
	UHA-32-2 Postweld Heat Treatment Requirements for High Alloy Steels — P-No. 7
	UHA-32-3 Postweld Heat Treatment Requirements for High Alloy Steels — P-No. 8
	UHA-32-4 Postweld Heat Treatment Requirements for High Alloy Steels — P-No. 10H
	UHA-32-5 Postweld Heat Treatment Requirements for High Alloy Steels — P-No. 10I
	UHA-32-6 Postweld Heat Treatment Requirements for High Alloy Steels — P-No. 10K
	UHA-32-7 Postweld Heat Treatment Requirements for High Alloy Steels — P-No. 45
	UHA-44 Postfabrication Strain Limits and Required Heat Treatment
	UCI-23 Maximum Allowable Stress Values in Tension for Cast Iron
	UCI-78.1
	UCI-78.2
	UCD-23 Maximum Allowable Stress Values in Tension for Cast Ductile Iron, ksi (MPa)
	UCD-78.1
	UCD-78.2
	UHT-23 Ferritic Steels With Properties Enhanced by Heat Treatment
	UHT-56 Postweld Heat Treatment Requirements for Materials in Table UHT-23
	ULT-23 V001 Maximum Allowable Stress Values in Tension for 5%, 7%, 8%, and 9% Nickel Steels; Types 304 and 316 Stainless Steels; and 5083‐0 Aluminum Alloy at Cryogenic Temperatures for Welded and Nonwelded Construction
	ULT-82 Minimum Tensile Strength Requirements for Welding Procedure Qualification Tests on Tension Specimens Conforming to Section IX, Figures QW-462.1(a) Through QW-462.1(e)
	ULT-82M Minimum Tensile Strength Requirements for Welding Procedure Qualification Tests on Tension Specimens Conforming to Section IX, Figures QW-462.1(a) Through QW-462.1(e)
	UHX-8.1 Tubesheet Effective Bolt Load, W*
	UHX-12.4-1
	UHX-13.1 Formulas for Determination of Zd, Zv, Zm, Zw, and Fm
	UHX-13.2 Formulas for Determination of Ft,min and Ft,max
	UHX-13.4-1
	UHX-13.8.4-1
	UHX-14.4-1
	UHX-14.6.4-1
	UHX-17 Flexible Shell Element Expansion Joint Load Cases and Stress Limits
	UIG-6-1 Properties of Certified Material
	UIG-34-1
	UIG-34-2 Values for Determining E*/E and v* Equilateral Triangular Pattern
	UIG-34-3 Values for Determining E*/E and v* Equilateral Square Pattern
	UIG-34-4 Formulas for Determination of Zd, Zv, Zm, Zw, and Fm
	UIG-34-5 Formulas for Determination of Ft,min and Ft,max
	UIG-84-1 Test Frequency for Certified Materials
	1-4.1 Values of Factor K
	1-4.2 Values of Factor M
	1-4.3 Maximum Metal Temperature
	1-4.4 Values of Knuckle Radius, r
	1-5.1 Values of Δ for Junctions at the Large Cylinder for α ≤ 30 deg
	1-5.2 Values of Δ for Junctions at the Small Cylinder for α ≤ 30 deg
	1-8.1 Values of Δ for Junctions at the Large Cylinder for α ≤ 60 deg
	2-4 Recommended Minimum Gasket Contact Widths for Sheet and Composite Gaskets
	2-5.1 Gasket Materials and Contact Facings
	2-7.1 Flange Factors in Formula Form
	2-14 Flange Rigidity Factors
	4-1
	11-1 Molecular Weights of Gases and Vapors
	13-8(d)
	13-8(e)
	13-13(c)
	13-18.1
	13-18(b)
	24-8 Allowable Design Stress for Clamp Connections
	26-2-1 Maximum Design Temperatures for Application of the Rules of Mandatory Appendix 26
	26-8 Tabular Values for Coefficients B1, B2, B3
	26-10-1 U-Shaped Unreinforced and Reinforced Bellows Manufacturing Tolerances
	26-15.1a Polynomial Coefficients αi for the Determination of Cp When C1 ≤ 0.3
	26-15.1b Polynomial Coefficients αi for the Determination of Cp When C1 > 0.3
	26-15.2 Polynomial Coefficients βi for the Determination of Cf
	26-15.3 Polynomial Coefficients γi for the Determination of Cd
	31-1 Material Specifications
	31-2 Composition Requirements for 21/4Cr–1Mo–1/4V Weld Metal
	34-1 Material Specifications
	34-2 Additional Requirements
	42-5.1-1
	44-4-1 Allowable Materials and Design Stress
	A-2 Efficiencies fr
	P-1 Criteria for Establishing Allowable Stress Values
	W-3 Instructions for the Preparation of Manufacturer’s Data Reports
	W-3.1 Supplementary Instructions for the Preparation of Manufacturer’s Data Reports for Layered Vessels
	W-3.2 Supplementary Instructions for the Preparation of Manufacturer’s or Assembler’s Certificate of Conformance Forms UV-1 and UD-1
	Y-6.1 Summary of Applicable Equations for Different Classes of Assemblies and Different Categories of Flanges
	Y-9.1 Trial Flange Thickness and Area of Bolting for Various Classes of Assemblies and Flange Categories
	QEXP-1 Instructions for Filling Out TEPS Form
	KK-1 Instructions for the Preparation of User’s Design Requirements
	NN-6-1 Responsibilities of the User
	NN-6-2 Matters of Agreement Between the User and the Manufacturer
	NN-6-3 The Manufacturer’s Responsibility to the User
	NN-6-4 Recommendations to the User
	NN-6-5 Responsibilities of the User or His Designated Agent
	NN-6-6 Matters of Agreement Between the User or His Designated Agent and the Manufacturer
	NN-6-7 The Manufacturer’s Responsibility to the User or His Designated Agent
	NN-6-8 Recommendations to the User or His Designated Agent
	NN-6-9 Cautionary Advice Provided to the User
	NN-6-10 Guidance Code to Users and Their Designated Agents
	NN-6-11 User–Manufacturer Rules
Forms
	CMQ Certified Material Qualification Form
	CCQ Certified Cement Qualification Form
	CPQ Cementing Procedure Qualification Form
	CTQ Cementing Technician Qualification Form
	26-1 Specification Sheet for ASME Section VIII, Division 1 Mandatory Appendix 26 Bellows Expansion Joints
	26-1M Specification Sheet for ASME Section VIII, Division 1 Mandatory Appendix 26 Bellows Expansion Joints
	U-1 Manufacturer’s Data Report for Pressure Vessels
	U-1A Manufacturer’s Data Report for Pressure Vessels
	U-1B Manufacturer’s Supplementary Data Report for Graphite Pressure Vessels
	U-1P Manufacturer’s Data Report for Plate Heat Exchangers
	U-2 Manufacturer’s Partial Data Report
	U-2A Manufacturer’s Partial Data Report (Alternative Form)
	U-3 Manufacturer’s Certificate of Compliance Covering Pressure Vessels to Be Stamped With the UM Designator [See U-1(j)]
	U-3A Manufacturer’s Certificate of Compliance (Alternative Form) Covering Pressure Vessels to Be Stamped With the UM Designator [See U-1(j)]
	U-3P Manufacturer’s Certificate of Compliance for Plate Heat Exchangers Covering Pressure Vessels to Be Stamped With the UM Designator [See U-1(j)]
	U-4 Manufacturer’s Data Report Supplementary Sheet
	U-5 Manufacturer’s Data Report Supplementary Sheet Shell-and-Tube Heat Exchangers
	UV-1 Manufacturer’s or Assembler’s Certificate of Conformance for Pressure Relief Valves
	UD-1 Manufacturer’s Certificate of Conformance for Nonreclosing Pressure Relief Devices
	QEXP-1 Tube Expanding Procedure Specification (TEPS)
	QEXP-2 Suggested Format for Tube-to-Tubesheet Expanding Procedure Qualification Record for Test Qualification (TEPQR)
	U-DR-1 User’s Design Requirements for Single-Chamber Pressure Vessels
	U-DR-2 User’s Design Requirements for Multichamber Pressure Vessels
Endnotes