2017 ASME Boiler & Pressure Vessel Code: An International Code: Section III: Rules for Construction of Nuclear Facility Components / Division 1 — Subsection ND / Class 3 Components

✍ Scribed by American Society of Mechanical Engineers. Boiler and Pressure Vessel Committee

• Publisher: The American Society of Mechanical Engineers
• Year: 2017
• Tongue: English
• Leaves: 339
• Category: Library

✦ Table of Contents

Table of Contents
List of Sections
INTERPRETATIONS
CODE CASES
Foreword
Statement of Policy on the Use of the 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
Organization of Section III
1 General
2 Subsections
3 Articles
4 Subarticles
5 Subsubarticles
6 Paragraphs
7 Subparagraphs
8 Subsubparagraphs
9 References
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
Article ND-1000 Introduction
ND-1100 Scope
ND-1110 Aspects of Construction Covered by These Rules
ND-1120 Temperature Limits
ND-1130 Boundaries of Jurisdiction Applicable to This Subsection
Article ND-2000 Material
ND-2100 General Requirements for Material
ND-2110 Scope of Principal Terms Employed
ND-2120 Pressure-Retaining Material
ND-2130 Certification of Material
ND-2140 Welding Material
ND-2150 Material Identification
ND-2160 Deterioration of Material in Service
ND-2170 Heat Treatment to Enhance Impact Properties
ND-2180 Procedures for Heat Treatment of Material
ND-2190 Non-Pressure‐Retaining Material
ND-2200 Material Test Coupons and Specimens for Ferritic Steel Material
ND-2210 Heat Treatment Requirements
ND-2220 Procedure for Obtaining Test Coupons and Specimens for Quenched and Tempered Material
ND-2300 Fracture Toughness Requirements for Material
ND-2310 Material to Be Impact Tested
ND-2320 Impact Test Procedures
ND-2330 Test Requirements and Acceptance Standards
ND-2340 Number of Impact Tests Required
ND-2350 Retests
ND-2360 Calibration of Instruments and Equipment
ND-2400 Welding Material
ND-2410 General Requirements
ND-2420 Required Tests
ND-2430 Weld Metal Tests
ND-2440 Storage and Handling of Welding Material
ND-2500 Examination and Repair of Pressure-Retaining Material
ND-2510 Pressure-Retaining Material
ND-2530 Examination and Repair of Plate
ND-2540 Examination and Repair of Forgings and Bars
ND-2550 Examination and Repair of Seamless and (Welded Without Filler Metal) Tubular Products and Fittings
ND-2560 Examination and Repair of Tubular Products and Fittings Welded With Filler Metal
ND-2570 Examination and Repair of Statically and Centrifugally Cast Products
ND-2580 Examination of Bolts, Studs, and Nuts
ND-2600 Material Organizations’ Quality System Programs
ND-2610 Documentation and Maintenance of Quality System Programs
ND-2700 Dimensional Standards
Article ND-3000 Design
ND-3100 General Design
ND-3110 Loading Criteria
ND-3120 Special Considerations
ND-3130 General Design Rules
ND-3300 Vessel Design
ND-3310 General Requirements
ND-3320 Design Considerations
ND-3330 Openings and Reinforcement
ND-3350 Design of Welded Construction
ND-3360 Special Vessel Requirements
ND-3400 Pump Design
ND-3410 General Requirements for Centrifugal Pumps
ND-3420 Definitions
ND-3430 Design Requirements for Centrifugal Pumps
ND-3440 Design of Specific Pump Types
ND-3450 Design of Class 3 Reciprocating Pumps
ND-3500 Valve Design
ND-3510 General Requirements
ND-3520 Levels B, C, and D Service Limits
ND-3530 General Rules
ND-3590 Pressure Relief Valve Design
ND-3600 Piping Design
ND-3610 General Requirements
ND-3620 Design Considerations
ND-3640 Pressure Design of Piping Products
ND-3650 Analysis of Piping Systems
ND-3660 Design of Welds
ND-3670 Special Piping Requirements
ND-3690 Dimensional Requirements for Piping Products
ND-3700 Electrical and Mechanical Penetration Assemblies
ND-3720 Design Rules
ND-3800 Design of Atmospheric Storage Tanks
ND-3810 General Requirements
ND-3820 Design Considerations
ND-3830 Bottom Design
ND-3840 Shell Design
ND-3850 Roof Design
ND-3860 Tank Connections and Appurtenances
ND-3900 Design of 0 psi to 15 psi (0 kPa to 100 kPa) Storage Tanks
ND-3910 General Requirements
ND-3920 Design Considerations
ND-3930 Design Procedure
ND-3940 Alternate Rules for Axial Compressive Membrane Stresses in the Cylindrical Walls of 0 psi to 15 psi Storage Tanks
Article ND-4000 Fabrication and Installation
ND-4100 General Requirements
ND-4110 Introduction
ND-4120 Certification of Material and Fabrication by Component Certificate Holder
ND-4130 Repair of Material
ND-4200 Forming, Fitting, and Aligning
ND-4210 Cutting, Forming, and Bending
ND-4220 Forming Tolerances
ND-4230 Fitting and Aligning
ND-4240 Requirements for Weld Joints in Components
ND-4250 Welding End Transitions — Maximum Envelope
ND-4300 Welding Qualifications
ND-4310 General Requirements
ND-4320 Welding Qualifications, Records, and Identifying Stamps
ND-4330 General Requirements for Welding Procedure Qualification Tests
ND-4350 Special Qualification Requirements for Tube‐to‐Tubesheet Welds
ND-4400 Rules Governing Making, Examining, and Repairing Welds
ND-4410 Precautions to Be Taken Before Welding
ND-4420 Rules for Making Welded Joints
ND-4430 Welding of Attachments
ND-4450 Repair of Weld Metal Defects
ND-4460 Welded Test Plates
ND-4470 Welded Stayed Construction
ND-4500 Brazing
ND-4510 Rules for Brazing
ND-4520 Brazing Qualification Requirements
ND-4530 Fitting and Aligning of Parts to Be Brazed
ND-4540 Examination of Brazed Joints
ND-4600 Heat Treatment
ND-4610 Welding Preheat Requirements
ND-4620 Postweld Heat Treatment
ND-4630 Heat Treatment of Welds Other Than the Final Postweld Heat Treatment
ND-4650 Heat Treatment After Bending or Forming for Pipe, Pumps, and Valves
ND-4660 Heat Treatment of Electroslag Welds
ND-4700 Mechanical Joints
ND-4710 Bolting and Threading
ND-4720 Bolting Flanged Joints
ND-4730 Electrical and Mechanical Penetration Assemblies
ND-4800 Expansion Joints
ND-4810 Fabrication and Installation Rules for Bellows Expansion Joints
Article ND-5000 Examination
ND-5100 General Requirements for Examination
ND-5110 Procedures, Qualifications, and Evaluation
ND-5120 Time of Examination of Welds and Weld Metal Cladding
ND-5200 Examination of Welds
ND-5210 Category A Vessel Welded Joints in Vessels and Similar Welded Joints in Piping, Pumps, and Valves
ND-5220 Category B Vessel Welded Joints and Circumferential Welded Joints in Piping, Pumps, and Valves
ND-5230 Category C Vessel Welded Joints and Similar Welded Joints in Piping, Pumps, and Valves
ND-5240 Category D Vessel Welded Joints and Similar Joints in Piping, Pumps, and Valves
ND-5260 Welded Stayed Construction
ND-5270 Special Welds
ND-5280 Welded Joints in Storage Tanks
ND-5300 Acceptance Standards
ND-5320 Radiographic Acceptance Standards
ND-5330 Ultrasonic Acceptance Standards
ND-5340 Magnetic Particle Acceptance Standards
ND-5350 Liquid Penetrant Acceptance Standards
ND-5360 Visual Acceptance Standards for Brazed Joints
ND-5380 Gas and Bubble Formation Testing
ND-5400 Spot Examination of Welded Joints
ND-5410 General Requirements
ND-5420 Minimum Extent of Spot Radiographic Examination
ND-5430 Standards for Spot Radiographic Examination
ND-5440 Evaluation and Retests
ND-5500 Qualifications and Certification of Nondestructive Examination Personnel
ND-5510 General Requirements
ND-5520 Personnel Qualification, Certification, and Verification
ND-5530 Records
ND-5700 Examination Requirements for Expansion Joints
ND-5720 Bellows Expansion Joints
Article ND-6000 Testing
ND-6100 General Requirements
ND-6110 Pressure Testing of Components, Appurtenances, and Systems
ND-6120 Preparation for Testing
ND-6200 Hydrostatic Tests
ND-6210 Hydrostatic Test Procedure
ND-6220 Hydrostatic Test Pressure Requirements
ND-6230 Bellows Expansion Joints
ND-6240 Provision for Embedded or Inaccessible Welded Joints in Piping
ND-6300 Pneumatic Tests
ND-6310 Pneumatic Testing Procedures
ND-6320 Pneumatic Test Pressure Requirements
ND-6330 Bellows Expansion Joints
ND-6400 Pressure Test Gages
ND-6410 Requirements for Pressure Test Gages
ND-6500 Atmospheric and 0 psig to 15 psig (0 kPa to 100 kPa) Storage Tanks
ND-6510 Testing of Atmospheric Storage Tanks
ND-6520 Testing of 0 psig to 15 psig (0 kPa to 100 kPa) Storage Tanks
ND-6530 Test Gages
ND-6600 Special Test Pressure Situations
ND-6610 Components Designed for External Pressure
ND-6620 Pressure Testing of Combination Units
ND-6900 Proof Tests to Establish Design Pressure
ND-6910 General Requirements
ND-6920 Procedures
ND-6930 Procedure for Components Having Chambers of Special Shape Subject to Collapse
Article ND-7000 Overpressure Protection
ND-7100 General Requirements
ND-7110 Scope
ND-7120 Integrated Overpressure Protection
ND-7130 Verification of the Operation of Reclosing Pressure Relief Devices
ND-7140 Installation
ND-7150 Acceptable Pressure Relief Devices
ND-7160 Unacceptable Pressure Relief Devices
ND-7170 Permitted Use of Pressure Relief Devices
ND-7200 Overpressure Protection Report
ND-7210 Responsibility for Report
ND-7220 Content of Report
ND-7230 Certification of Report
ND-7240 Review of Report After Installation
ND-7250 Filing of Report
ND-7300 Relieving Capacity Requirements
ND-7310 Expected System Pressure Transient Conditions
ND-7320 Unexpected System Excess Pressure Transient Conditions
ND-7330 System Faulted Conditions
ND-7400 Set Pressures of Pressure Relief Devices
ND-7410 Set Pressure Limitations for Expected System Pressure Transient Conditions
ND-7420 Set Pressure Limitations for Unexpected System Excess Pressure Transient Conditions
ND-7500 Operating and Design Requirements for Pressure and Vacuum Relief Valves
ND-7510 Safety, Safety Relief, and Relief Valves
ND-7520 Pilot-Operated Pressure Relief Valves
ND-7530 Power-Actuated Pressure Relief Valves
ND-7540 Safety and Safety Relief Valves With Auxiliary Actuating Devices
ND-7550 Vacuum Relief Valves
ND-7560 Alternative Test Media
ND-7600 Nonreclosing Pressure Relief Devices
ND-7610 Rupture Disk Devices
ND-7620 Installation Requirements
ND-7700 Certification
ND-7710 Responsibility for Certification of Pressure and Vacuum Relief Valves
ND-7720 Responsibility for Certification of Nonreclosing Pressure Relief Devices
ND-7730 Capacity Certification of Pressure Relief Valves — Compressible Fluids
ND-7740 Capacity Certification of Pressure Relief Valves — Incompressible Fluids
ND-7750 Capacity Certification of Vacuum Relief Valves
ND-7760 Capacity Determination of Rupture Disk Devices
ND-7800 Marking, Stamping With Certification Mark, and Data Reports
ND-7810 Pressure and Vacuum Relief Valves
ND-7820 Rupture Disk Devices
ND-7830 Pressure Relief Valve in Combination With Rupture Disk Devices
ND-7840 Certificate of Authorization to Use Certification Mark
Article ND-8000 Nameplates, Stamping With Certification Mark, and Reports
ND-8100 General Requirements
Figures
ND-1132.2-1 Attachments in the Component Support Load Path That Do Not Perform a Pressure-Retaining Function
ND-1132.2-2 Attachments That Do Not Perform a Pressure-Retaining Function and Are Not in the Component Support Load Path
ND-1132.2-3 Attachments That Perform a Pressure-Retaining Function
ND-2433.1-1 Delta Ferrite Content
ND-2575.2-1 Typical Pressure-Retaining Parts of Pumps and Valves
ND-3133.4-1 Length L of Some Typical Conical Sections
ND-3133.7-1 Chart for Determining Wall Thickness of Tubes Under External Pressure
ND-3324.2-1 Principal Dimensions of Typical Heads
ND-3324.11(a)(6)-1 Large Head Openings, Reverse Curve, and Conical Shell Reducer Sections
ND-3325-1 Some Acceptable Types of Unstayed Flat Heads and Covers
ND-3326.1-1 Spherically Dished Covers With Bolting Flanges
ND-3329.1(e)-1 Acceptable Proportions for Ends or Through Stays
ND-3329.6(b)-1 Example of Tube Spacing With Pitch of Holes Equal in Every Row
ND-3329.6(b)-2 Example of Tube Spacing With Pitch of Holes Unequal in Every Second Row
ND-3329.6(b)-3 Example of Tube Spacing With Pitch of Holes Varying in Every Second and Third Row
ND-3329.6(d)-1 Example of Tube Spacing With Tube Holes on Diagonal Lines
ND-3329.6(d)-2 Diagram for Determining the Efficiency of Longitudinal and Diagonal Ligaments Between Openings in Cylindrical Shells
ND-3329.6(g)-1 Diagram for Determining Equivalent Longitudinal Efficiency of Diagonal Ligaments
ND-3332.2-1 Chart for Determining Value of F
ND-3335.1(b)-1 Some Representative Configurations Describing the te Reinforcement Dimension
ND-3335.2-1 Arrangement of Multiple Openings
ND-3335.3(b)-1 Minimum Depth for Flange of Flued Openings
ND-3351-1 Welded Joint Locations Typical of Categories A, B, C, and D
ND-3352-1 Typical Butt Joints
ND-3358.1(a)-1 Heads Attached to Shells
ND-3361.1-1 Butt Welding of Plates of Unequal Thicknesses
ND-3423-1 Typical Single Volute Casing
ND-3423-2 Typical Double Volute Casing
ND-3433.4-1 Minimum Tangential Inlet and Outlet Wall Thicknesses
ND-3436(c)-1 External and Internal Attachments
ND-3441.1-1 Type a Pump
ND-3441.1-2 Type a Pump
ND-3441.1(a)-1 Type A Pump
ND-3441.2-1 Type B Pump
ND-3441.3-1 Type C Pump
ND-3441.3-2 Type C Pump
ND-3441.4(a)-1 Type D Pump
ND-3441.5-1 Type E Pump
ND-3441.6(a)-1 Type F Pump
ND-3441.7(a)-1 Axially Split Casing, Volute Pump, Type G
ND-3441.7(a)-2 Axially Split Casing, Volute Pump, Type G
ND-3441.7(c)-1 Axially Split Casing, Volute Pump, Type G
ND-3441.7(c)(2)-1 Typical Section of Type G Pump
ND-3441.7(c)(2)-2 Typical Section of Type G Pump
ND-3441.7(c)(2)-3 Typical Loads on Type G Pump
ND-3441.8-1 Longitudinal Section Through Type H Pump
ND-3441.8-2 Transverse Section Through Type H Pump
ND-3441.9-1 Type K Pump
ND-3441.9-2 Type K Pump
ND-3441.10-1 Type L Pump
ND-3441.10-2 Type L Pump Bowl
ND-3451(a)-1 Horizontal Single‐Acting Power Pump Liquid Ends
ND-3521-1 Typical Sections of Valve Bodies
ND-3591.1-1 Typical Pressure Relief Devices
ND-3591.1-2 Typical Pressure Relief Devices
ND-3595.3-1 Valve Nozzle
ND-3622-1 Examples of Reversing and Nonreversing Dynamic Loads
ND-3643.2(b)-1 Typical Welded Branch Connections
ND-3643.2(b)-2 Typical Right Angle Branch Connections Made Using a Fillet Weld or a Partial Penetration Weld
ND-3643.3(c)(1)-1 Reinforcement of Branch Connections
ND-3643.3(c)(1)-2 Some Representative Configurations Describing the te Reinforcement Dimension
ND-3643.4(a)-1 Reinforced Extruded Outlets
ND-3647.2-1 Types of Permanent Blanks
ND-3653.3-1 Reducing or Full Outlet Branch Connections, or Tees
ND-3673.2(b)-2 Branch Connection Nomenclature
ND-3861-1 Roof Manholes
ND-3862(a)-1 Flanged Roof Nozzles
ND-3862(a)-2 Screwed or Socket Weld Roof Nozzles
ND-3863-1 Welded Bottom Outlet Elbow
ND-3922.1-1 Biaxial Stress Chart for Combined Tension and Compression, 30,000 psi to 38,000 psi (205 MPa to 260 MPa) Yield Strength Steels
ND-3922.1-2 Reduction of Design Stresses Required to Allow for Biaxial Stresses of Opposite Sign
ND-3932.1-1 Some Typical Free Body Diagrams for Certain Shapes of Tanks
ND-3933.4(a)-1 Compression Ring Region
ND-3933.5(d)-1 Permissible Details of Compression Ring Construction
ND-3944-1 Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 25 ksi at Temperatures ≤ 300°F
ND-3944-1M Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 175 MPa at Temperatures ≤ 150°C
ND-3944-2 Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 30 ksi at Temperatures ≤ 300°F
ND-3944-2M Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 210 MPa at Temperatures ≤ 150°C
ND-3944-3 Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 35 ksi at Temperatures ≤ 300°F
ND-3944-3M Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 245 MPa at Temperatures ≤ 150°C
ND-3944-4 Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 40 ksi at Temperatures ≤ 300°F
ND-3944-4M Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 280 MPa at Temperatures ≤ 150°C
ND-3944-5 Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 45 ksi at Temperatures ≤ 300°F
ND-3944-5M Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 315 MPa at Temperatures ≤ 150°C
ND-3944-6 Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 50 ksi at Temperatures ≤ 300°F
ND-3944-6M Design Factor Times Allowable Axial Membrane Compressive Stress Versus Radius Over Thickness for Ferrous Materials With Yield Strengths of 350 MPa at Temperatures ≤ 150°C
ND-3947-1 Meridional Straightness Tolerance
ND-4221.1-1 Maximum Difference in Cross‐Sectional Diameters
ND-4221.2(a)-1 Maximum Permissible Deviation e From a True Circular Form
ND-4221.2(a)-2 Maximum Arc Length for Determining Plus or Minus Deviation
ND-4233-1 Butt Weld Alignment and Mismatch Tolerances for Unequal I.D. and O.D. When Components Are Welded From One Side and Fairing Is Not Performed
ND-4243-1 Attachment of Pressure Parts to Plates to Form a Corner Joint
ND-4243.1-1 Typical Flat Heads, and Supported and Unsupported Tubesheets With Hubs
ND-4244(a)-1 Nozzles, and Branch and Piping Connections Joined by Full Penetration Butt Welds
ND-4244(b)-1 Nozzles, and Branch and Piping Connections Joined by Full Penetration Corner Welds
ND-4244(c)-1 Deposited Weld Metal Used as Reinforcement of Openings for Nozzles, and Branch and Piping Connections
ND-4244(d)-1 Some Acceptable Types of Welded Nozzles, and Branch and Piping Connections
ND-4244(e)-1 Some Acceptable Types of Welded Nozzles
ND-4244(e)-2 Some Acceptable Types of Small Fittings
ND-4244(f)-1 Tube Connections
ND-4244(g)-1 Some Acceptable Types of Welded Nozzles, and Branch and Piping Connections
ND-4245-1 Attachment Welds
ND-4246.1(a)-1 Typical Bottom and Bottom‐to‐Shell Joints
ND-4246.3-1 Typical Roof and Roof‐to‐Shell Joints
ND-4246.5-1 Roof Manholes
ND-4246.5-2 Flanged Roof Nozzles
ND-4246.5-3 Screwed or Socket Weld Roof Nozzles
ND-4246.5-4 Welded Bottom Outlet Elbow
ND-4250-1 Welding End Transitions Maximum Envelope
ND-4427-1 Fillet and Socket Weld Details and Dimensions
ND-4433-1 Types of Attachment Welds
ND-4437.2(b)-1 Some Acceptable Methods of Attaching Stiffening Rings to Shells of Cylindrical Vessels Subjected to External Pressure
ND-4470-1 Welded Stayed Construction
ND-4511-1 Brazed Connections for Appurtenances and Piping, NPS 4
ND-4730-1 Penetration Assembly
ND-4810(c)-1 Permissible Attachment Welds for Bellows
ND-7734.2(a)-1 Values of F for Nonchoking Flow
ND-7754.2(a)-1 Values of F for Nonchoking Flow
Tables
ND-2311-1 Exemptions From Impact Testing Under ND-2311(a)(8)
ND-2331(a)-1 Required Cv Lateral Expansion Values for Pressure-Retaining Material (Except Bolting)
ND-2331(a)-2 Required Cv Energy Values for Pressure-Retaining Material (Except Bolting)
ND-2333-1 Required Cv Values for Bolting Material
ND-2432.1-1 Sampling of Welding Materials for Chemical Analysis
ND-2432.2-1 Welding Material Chemical Analysis
ND-2571-1 Required Examinations
ND-3321-1 Stress Limits for Design and Service Loadings
ND-3321-2 Classification of Stress in Vessels for Some Typical Cases
ND-3324.2-1 Values of Factor K
ND-3324.8(b)-1 Values of Factor M
ND-3324.11(b)(2)-1 Values of Δ for Junctions at the Large Cylinder for α ≤ 30 deg
ND-3324.11(b)(3)-1 Values of Δ for Junctions at the Small Cylinder for α ≤ 30 deg
ND-3332.2-1 Values of Spherical Radius Factor K1
ND-3361.3(a)-1 Minimum Number of Pipe Threads for Connections
ND-3416-1 Stress and Pressure Limits for Design and Service Loadings
ND-3521-1 Level A, Level B, Level C, and Level D Service Limits
ND-3592.2(b)-1 Class 3 Pressure Relief Devices: Level B, C, and D Service Loadings
ND-3611.2(e)-1 Stress Range Reduction Factors
ND-3613.4-1 Weld Joint Efficiency Factor
ND-3641.1(a)-1 Values of A
ND-3673.2(b)-1 Stress Indices, Flexibility, and Stress Intensification Factors
ND-3821.5-1 Design and Service Limits
ND-3852.7-1 Allowable Tensile Stresses for Roof Supports
ND-3852.7-2 Allowable Axial Compression Stresses for Roof Supports
ND-3852.7-3 Allowable Bending Stresses for Roof Supports
ND-3852.7-4 Allowable Shear Stresses for Roof Supports
ND-3852.7-5 Allowable Shear and Tension Stresses for Bolts for Roof Supports
ND-3852.7-6 Allowable Bearing Stresses for Bolts for Roof Supports
ND-3861-1 Roof Manholes
ND-3862(a)-1 Flanged Roof Nozzles
ND-3862(a)-2 Screwed or Socket Weld Roof Nozzles
ND-3863-1 Welded Bottom Outlet Elbow
ND-3865-1 Platforms and Walkways
ND-3865-2 Stairways
ND-3865-3 Stairway Rise, Run, and Angle Relationships
ND-3921.8-1 Design and Service Limits for Steel Tanks
ND-3923.1-1 Maximum Allowable Stress Values for Structural Members
ND-3932.2(d)-1 Factors for Determining Values of R1 and R2 for 2:1 Ellipsoidal Roofs and Bottoms
ND-3933.5(h)-1 Some Values for k Based on n, θ
ND-4232(a)-1 Maximum Allowable Offset in Final Welded Joints
ND-4245-1
ND-4247.6(d)-1 Minimum Size for Fillet Welds
ND-4524-1 Maximum Design Temperatures for Brazing Filler Metal, °F (°C)
ND-4622.1-1 Mandatory Requirements for Postweld Heat Treatment of Welds
ND-4622.4(c)-1 Alternative Holding Temperatures and Times
ND-4622.7(b)-1 Exemptions to Mandatory PWHT
ND-5211.2-1 Thickness Above Which Full Radiographic Examination of Butt-Welded Joint is Mandatory
Endnotes