{"id":407933,"date":"2024-10-20T05:28:14","date_gmt":"2024-10-20T05:28:14","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-b31-1-2022\/"},"modified":"2024-10-26T09:56:07","modified_gmt":"2024-10-26T09:56:07","slug":"asme-b31-1-2022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-b31-1-2022\/","title":{"rendered":"ASME B31.1 2022"},"content":{"rendered":"

Rules for this Code Section have been developed considering the needs for applications that include piping typically found in electric power generating stations, industrial and institutional plants, geothermal heating systems, and central and district heating and cooling systems.<\/p>\n

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PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
10<\/td>\nFOREWORD <\/td>\n<\/tr>\n
11<\/td>\nASME B31 COMMITTEE ROSTER <\/td>\n<\/tr>\n
14<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
17<\/td>\nASME B31.1-2022 SUMMARY OF CHANGES <\/td>\n<\/tr>\n
22<\/td>\nChapter I Scope and Definitions
100 GENERAL
100.1 Scope <\/td>\n<\/tr>\n
23<\/td>\nFigures
Figure 100.1.2-1 Code Jurisdictional Limits for Piping \u2014 An Example of Forced-Flow Steam Generators With No Fixed Steam and Waterline <\/td>\n<\/tr>\n
24<\/td>\nFigure 100.1.2-2 Code Jurisdictional Limits for Piping \u2014 An Example of Steam Separator Type Forced-Flow Steam Generators With No Fixed Steam and Waterline <\/td>\n<\/tr>\n
25<\/td>\nFigure 100.1.2-3 Code Jurisdictional Limits for Piping \u2014 Drum-Type Boilers <\/td>\n<\/tr>\n
26<\/td>\nFigure 100.1.2-4 Code Jurisdictional Limits for Piping \u2014 Isolable Economizers Located in Feedwater Piping and Isolable Superheaters in Main Steam Piping (Boiler Pressure Relief Valves, Blowoff, and Miscellaneous Piping for Boiler Proper Not Shown for Clarity) <\/td>\n<\/tr>\n
27<\/td>\nFigure 100.1.2-5 Code Jurisdictional Limits for Piping \u2014 Reheaters and Nonintegral Separately Fired Superheaters <\/td>\n<\/tr>\n
28<\/td>\n100.2 Definitions
Figure 100.1.2-6 Code Jurisdictional Limits for Piping \u2014 Spray-Type Desuperheater <\/td>\n<\/tr>\n
29<\/td>\nFigure 100.1.2-7 Code Jurisdictional Limits for Piping \u2014 HRSG \u2014 Desuperheater Protection Devices <\/td>\n<\/tr>\n
30<\/td>\nFigure 100.1.2-8 Code Jurisdictional Limits for Piping \u2014 Firetube Boiler <\/td>\n<\/tr>\n
31<\/td>\nFigure 100.1.2-9 Code Jurisdictional Limits for Piping \u2014 Steam Locomotive Boiler With Dome Throttle <\/td>\n<\/tr>\n
32<\/td>\nFigure 100.1.2-10 Code Jurisdictional Limits for Piping \u2014 Steam Locomotive Boiler With Front-End Throttle <\/td>\n<\/tr>\n
39<\/td>\nChapter II Design
101 DESIGN CONDITIONS
101.1 General
101.2 Pressure
101.3 Temperature <\/td>\n<\/tr>\n
40<\/td>\n101.4 Ambient Influences
101.5 Dynamic Effects
101.6 Weight Effects
101.7 Thermal Expansion and Contraction Loads <\/td>\n<\/tr>\n
41<\/td>\n101.9 Reduced Ductility Effects
102 DESIGN CRITERIA
102.1 General
102.2 Pressure\u2013Temperature Ratings for Piping Components <\/td>\n<\/tr>\n
42<\/td>\n102.3 Allowable Stress Values and Other Stress Limits for Piping Components <\/td>\n<\/tr>\n
43<\/td>\n102.4 Allowances <\/td>\n<\/tr>\n
44<\/td>\nTables
Table 102.4.3-1 Longitudinal Weld Joint Efficiency Factors
Table 102.4.5-1 Bend Thinning Allowance <\/td>\n<\/tr>\n
45<\/td>\nFigure 102.4.5-1 Nomenclature for Pipe Bends
Table 102.4.6-1 Maximum Severity Level for Casting Thickness 4 1\u20442 in. (114 mm) or Less <\/td>\n<\/tr>\n
46<\/td>\n103 CRITERIA FOR PRESSURE DESIGN OF PIPING COMPONENTS
Table 102.4.6-2 Maximum Severity Level for Casting Thickness Greater Than 4 1\u20442 in. (114 mm) <\/td>\n<\/tr>\n
47<\/td>\nTable 102.4.7-1 Weld Strength Reduction Factors (WSRFs) to Be Applied When Calculating the Minimum Wall Thickness or Allowable Design Pressure of Components Fabricated With a Longitudinal Seam Fusion Weld <\/td>\n<\/tr>\n
48<\/td>\n104 PRESSURE DESIGN OF COMPONENTS
104.1 Straight Pipe <\/td>\n<\/tr>\n
49<\/td>\n104.2 Curved and Mitered Segments of Pipe
Table 104.1.2-1 Values of y <\/td>\n<\/tr>\n
50<\/td>\n104.3 Intersections and Attachments <\/td>\n<\/tr>\n
53<\/td>\nFigure 104.3.1-1 Reinforcement of Branch Connections <\/td>\n<\/tr>\n
56<\/td>\nFigure 104.3.1-2 Reinforced Extruded Outlets <\/td>\n<\/tr>\n
57<\/td>\n104.4 Closures <\/td>\n<\/tr>\n
58<\/td>\n104.5 Pressure Design of Flanges and Blanks <\/td>\n<\/tr>\n
59<\/td>\n104.6 Reducers
104.7 Other Pressure-Containing Components
Figure 104.5.3-1 Types of Permanent Blanks <\/td>\n<\/tr>\n
60<\/td>\n104.8 Analysis of Piping Components <\/td>\n<\/tr>\n
61<\/td>\n105 PIPE
105.1 General
105.2 Metallic Pipe
Figure 104.8-1 Equations (15), (16), and (17) <\/td>\n<\/tr>\n
62<\/td>\n105.3 Nonmetallic Pipe
106 FITTINGS, BENDS, AND INTERSECTIONS
106.1 Fittings
106.2 Bends and Intersections
106.3 Pipe Couplings and Unions
106.4 Flexible Metal Hose Assembly <\/td>\n<\/tr>\n
63<\/td>\n107 VALVES
107.1 General
107.2 Marking
107.3 Ends
107.4 Stem Threads
107.5 Bonnet Joints
107.6 Bypasses <\/td>\n<\/tr>\n
64<\/td>\n107.8 Pressure-Relieving Valves and Devices
108 PIPE FLANGES, BLANKS, FLANGE FACINGS, GASKETS, AND BOLTING
108.1 Flanges
108.2 Blanks
108.3 Flange Facings
108.4 Gaskets
108.5 U.S. Customary Bolting
108.6 Metric Bolting <\/td>\n<\/tr>\n
65<\/td>\n110 PIPING JOINTS
111 WELDED JOINTS
111.1 General
111.2 Butt Welds
111.3 Socket Welds
111.4 Fillet Welds
111.5 Seal Welds
112 FLANGED JOINTS <\/td>\n<\/tr>\n
66<\/td>\n113 EXPANDED OR ROLLED JOINTS
114 THREADED JOINTS
114.1 Threads on Piping Components
114.2 Threaded Joints, Access Holes With Plugs
114.3 Threaded Pipe Wall
115 FLARED, FLARELESS, AND COMPRESSION JOINTS, AND UNIONS
115.1 Compatibility
115.2 Pressure\u2013Temperature Ratings <\/td>\n<\/tr>\n
67<\/td>\nTable 112-1 Piping Flange Bolting, Facing, and Gasket Requirements (Refer to Paras. 108, 110, and 112) <\/td>\n<\/tr>\n
70<\/td>\n115.3 Threads
115.4 Fitting and Gripping
116 BELL END JOINTS
116.1 Elastomeric-Gasket Joints
116.2 Caulked Joints
117 BRAZED AND SOLDERED JOINTS
117.1 Brazed Joints
117.2 Soldered Joints
117.3 Limitations
118 SLEEVE COUPLED AND OTHER PROPRIETARY JOINTS
Table 114.2.1-1 Threaded Joints Limitations <\/td>\n<\/tr>\n
71<\/td>\n119 EXPANSION AND FLEXIBILITY
119.1 General
119.2 Displacement Stress Range
119.3 Local Overstrain
119.5 Flexibility
119.6 Piping Properties <\/td>\n<\/tr>\n
72<\/td>\n119.7 Flexibility Analysis <\/td>\n<\/tr>\n
73<\/td>\n119.8 Movements
119.9 Cold Spring
119.10 Reactions
120 LOADS ON PIPE-SUPPORTING ELEMENTS
120.1 General <\/td>\n<\/tr>\n
74<\/td>\n120.2 Supports, Anchors, and Guides
121 DESIGN OF PIPE-SUPPORTING ELEMENTS
121.1 General
121.2 Allowable Stress Values <\/td>\n<\/tr>\n
75<\/td>\n121.3 Temperature Limitations
121.4 Hanger Adjustments
121.5 Hanger Spacing
121.6 Springs
121.7 Fixtures
Table 121.5-1 Suggested Steel Pipe-Support Spacing <\/td>\n<\/tr>\n
76<\/td>\nTable 121.7.2-1 Carrying Capacity of Threaded ASTM A36, ASTM A575, and ASTM A576 Hot-Rolled Carbon Steel <\/td>\n<\/tr>\n
77<\/td>\n121.8 Structural Attachments
121.9 Loads and Supporting Structures
121.10 Requirements for Fabricating Pipe Supports
122 DESIGN REQUIREMENTS PERTAINING TO SPECIFIC PIPING SYSTEMS <\/td>\n<\/tr>\n
78<\/td>\n122.1 Boiler External Piping; in Accordance With Para. 100.1.2(a) \u2014 Steam, Feedwater, Blowoff, and Drain Piping <\/td>\n<\/tr>\n
82<\/td>\nFigure 122.1.7-1 Typical Globe Valves <\/td>\n<\/tr>\n
83<\/td>\n122.2 Blowoff and Blowdown Piping in Nonboiler External Piping
122.3 Instrument, Control, and Sampling Piping
Table 122.2-1 Design Pressure for Blowoff\/Blowdown Piping Downstream of BEP Valves <\/td>\n<\/tr>\n
85<\/td>\n122.4 Spray-Type Desuperheater Piping for Use on Steam Generators, Main Steam, and Reheat Steam Piping <\/td>\n<\/tr>\n
86<\/td>\nFigure 122.4-1 Desuperheater Schematic Arrangement <\/td>\n<\/tr>\n
87<\/td>\n122.5 Pressure-Reducing Valves
122.5.1 General.
122.5.2 Bypass Valves.
122.5.3 Design of Valves and Pressure-Relieving Valves and Devices.
122.6 Pressure Relief Piping
122.6.1 Piping to Pressure-Relieving Valves and Devices
122.6.2 Discharge Piping From Pressure-Relieving Valves and Devices
122.7 Piping for Flammable or Combustible Liquids
122.7.1 General. <\/td>\n<\/tr>\n
88<\/td>\n122.7.2 Materials
122.7.3 Piping Joints
122.7.4 Valves and Specialties.
122.8 Piping for Flammable Gases, Toxic Fluids (Gases or Liquids), or Nonflammable Nontoxic Gases
122.8.1 Flammable Gas <\/td>\n<\/tr>\n
90<\/td>\n122.8.2 Toxic Fluids (Gas or Liquid)
Table 122.8.2-1 Minimum Wall Thickness Requirements for Toxic Fluid Piping <\/td>\n<\/tr>\n
91<\/td>\n122.8.3 Nonflammable Nontoxic Gas
122.9 Piping for Corrosive Liquids and Gases
122.10 Temporary Piping Systems
122.11 Steam Trap Piping
122.11.1 Drip Lines.
122.11.2 Discharge Piping.
122.12 Exhaust and Pump Suction Piping <\/td>\n<\/tr>\n
92<\/td>\n122.13 Pump Discharge Piping
122.14 District Heating and Steam Distribution Systems
122.14.1 General.
122.14.2 Alternative Systems. <\/td>\n<\/tr>\n
93<\/td>\nChapter III Materials
123 GENERAL REQUIREMENTS
123.1 Materials and Specifications <\/td>\n<\/tr>\n
94<\/td>\n123.2 Piping Components
123.3 Pipe-Supporting Elements
123.4 Longitudinal-Welded or Spiral-Welded Pipe With Filler Metal Added
124 LIMITATIONS ON MATERIALS
124.1 Temperature Limitations <\/td>\n<\/tr>\n
95<\/td>\n124.2 Steel
124.4 Gray Cast Iron
124.5 Malleable Iron
124.6 Ductile (Nodular) Iron <\/td>\n<\/tr>\n
96<\/td>\n124.7 Nonferrous Metals
124.8 Cladding and Lining Materials
124.9 Nonmetallic Pipe
124.10 Deterioration of Materials in Service
124.11 Gaskets
124.12 Bolting
125 CREEP STRENGTH ENHANCED FERRITIC MATERIALS
125.1 Requirements for ASTM A217, Grade C12A and ASTM A1091, Grade C91 Castings <\/td>\n<\/tr>\n
98<\/td>\nChapter IV Reference Specifications, Codes, and Standards
126 SPECIFICATIONS AND STANDARDS FOR STANDARD AND NONSTANDARD PIPING COMPONENTS
126.1 Standard Piping Components
126.2 Nonstandard Piping Components
126.3 Referenced Documents
126.4 Other Documents <\/td>\n<\/tr>\n
99<\/td>\nTable 126.1-1 Specifications and Standards <\/td>\n<\/tr>\n
108<\/td>\nChapter V Fabrication, Assembly, and Erection
127 WELDING
127.1 General
127.2 Material <\/td>\n<\/tr>\n
109<\/td>\n127.3 Preparation for Welding
127.4 Procedure
Figure 127.3-1 Butt Welding of Piping Components With Internal Misalignment <\/td>\n<\/tr>\n
111<\/td>\nFigure 127.4.2-1 Welding End Transition \u2014 Maximum Envelope <\/td>\n<\/tr>\n
112<\/td>\nTable 127.4.2-1 Reinforcement of Girth and Longitudinal Butt Welds <\/td>\n<\/tr>\n
113<\/td>\nFigure 127.4.4-1 Fillet Weld Size <\/td>\n<\/tr>\n
114<\/td>\nFigure 127.4.4-2 Welding Details for Slip-On and Socket-Welding Flanges; Some Acceptable Types of Flange Attachment Welds
Figure 127.4.4-3 Minimum Welding Dimensions Required for Socket Welding Components Other Than Flanges
Figure 127.4.8-1 Typical Welded Branch Connection Without Additional Reinforcement <\/td>\n<\/tr>\n
115<\/td>\n127.5 Qualification
127.6 Welding Records
Figure 127.4.8-2 Typical Welded Branch Connection With Additional Reinforcement <\/td>\n<\/tr>\n
116<\/td>\n128 BRAZING AND SOLDERING
128.1 General
128.2 Materials
128.3 Preparation
128.4 Procedure
128.5 Brazing Qualification
Figure 127.4.8-3 Typical Welded Angular Branch Connection Without Additional Reinforcement <\/td>\n<\/tr>\n
117<\/td>\n128.6 Brazing Records
129 BENDING AND FORMING
129.1 Bending
Figure 127.4.8-4 Some Acceptable Types of Welded Branch Attachment Details Showing Minimum Acceptable Welds <\/td>\n<\/tr>\n
118<\/td>\nFigure 127.4.8-5 Some Acceptable Details for Integrally Reinforced Outlet Fittings <\/td>\n<\/tr>\n
119<\/td>\nFigure 127.4.8-6 Typical Full Penetration Weld Branch Connections for NPS 3 (DN 80) and Smaller Half Couplings or Adapters <\/td>\n<\/tr>\n
120<\/td>\nFigure 127.4.8-7 Typical Partial Penetration Weld Branch and Instrument Connections for NPS 2 (DN 50) and Smaller Fittings <\/td>\n<\/tr>\n
121<\/td>\n129.2 Forming
129.3 Heat Treatment of Bends and Formed Components
Table 129.3.1-1 Approximate Lower Critical Temperatures <\/td>\n<\/tr>\n
122<\/td>\nTable 129.3.3.1-1 Post-Cold-Forming Strain Limits and Heat Treatment Requirements for Creep Strength Enhanced Ferritic Steels <\/td>\n<\/tr>\n
123<\/td>\nTable 129.3.4.1-1 Post-Cold-Forming Strain Limits and Heat Treatment Requirements for Austenitic Materials and Nickel Alloys <\/td>\n<\/tr>\n
124<\/td>\n130 REQUIREMENTS FOR FABRICATING AND ATTACHING PIPE SUPPORTS
130.1 Pipe Supports
130.2 Alternate Pipe Supports
130.3 Pipe Support Welds
131 WELDING PREHEAT
131.1 Minimum Preheat Requirements
131.2 Different P-Number Materials
131.3 Preheat Temperature Verification
131.4 Preheat Temperature
131.6 Interruption of Welding <\/td>\n<\/tr>\n
125<\/td>\nTable 131.4.1-1 Preheat Temperatures <\/td>\n<\/tr>\n
126<\/td>\n132 POSTWELD HEAT TREATMENT
132.1 Minimum PWHT Requirements
132.2 Mandatory PWHT Requirements
132.3 Exemptions to Mandatory PWHT Requirements
132.4 Definition of Thicknesses for PWHT <\/td>\n<\/tr>\n
127<\/td>\nTable 132.1.1-1 Postweld Heat Treatment <\/td>\n<\/tr>\n
128<\/td>\n132.5 PWHT Heating and Cooling Requirements
132.6 Furnace Heating
Table 132.1.1-2 Alternate Postweld Heat Treatment Requirements for Carbon and Low Alloy Steels, P-Nos. 1 and 3
Table 132.1.3-1 Postweld Heat Treatment of 15NiCuMoNb 5-6-4\/P36\/F36 <\/td>\n<\/tr>\n
129<\/td>\nTable 132.2-1 Exemptions to Mandatory Postweld Heat Treatment <\/td>\n<\/tr>\n
131<\/td>\n132.7 Local Heating
133 STAMPING
135 ASSEMBLY
135.1 General
135.2 Alignment
135.3 Bolted Flanged Connections
135.4 Packed Joints and Caulked Joints <\/td>\n<\/tr>\n
132<\/td>\n135.5 Threaded Piping
135.6 Tubing Joints
135.7 Ductile Iron Bell End Piping
Figure 135.5.3-1 Typical Threaded Joints Using Straight Threads <\/td>\n<\/tr>\n
133<\/td>\nChapter VI Inspection, Examination, and Testing
136 INSPECTION AND EXAMINATION
136.1 Inspection
136.2 Inspection and Qualification of Authorized Inspector for Boiler External Piping <\/td>\n<\/tr>\n
134<\/td>\n136.3 Examination
136.4 Examination Methods of Welds <\/td>\n<\/tr>\n
135<\/td>\nTable 136.4.1-1 Mandatory Minimum Nondestructive Examinations for Pressure Welds or Welds to Pressure-Retaining Components <\/td>\n<\/tr>\n
136<\/td>\nTable 136.4.1-2 Weld Imperfections Indicated by Various Types of Examination <\/td>\n<\/tr>\n
138<\/td>\n137 PRESSURE TESTS
137.1 General Requirements
137.2 Preparation for Testing
137.3 Requirements for Specific Piping Systems <\/td>\n<\/tr>\n
139<\/td>\n137.4 Hydrostatic Testing
137.5 Pneumatic Testing <\/td>\n<\/tr>\n
140<\/td>\n137.6 Mass-Spectrometer and Halide Testing
137.7 Initial Service Testing
137.8 Alternative to Hydrostatic and Pneumatic Testing <\/td>\n<\/tr>\n
141<\/td>\n137.9 Retesting After Repair or Additions <\/td>\n<\/tr>\n
142<\/td>\nChapter VII Operation and Maintenance
138 GENERAL
139 OPERATION AND MAINTENANCE PROCEDURES
140 CONDITION ASSESSMENT OF CPS <\/td>\n<\/tr>\n
143<\/td>\n141 CPS RECORDS
141.1 General
141.2 Materials
141.3 Installation, Modification, and Repair Records
141.4 Failure Analysis <\/td>\n<\/tr>\n
144<\/td>\n141.5 Restoration After Failure
142 PIPING AND PIPE-SUPPORT MAINTENANCE PROGRAM AND PERSONNEL REQUIREMENTS
142.1 Maintenance Program
142.2 Personnel
143 REPAIR OF CPS
144 CPS WALKDOWNS
145 MATERIAL DEGRADATION MECHANISMS
146 DYNAMIC LOADING <\/td>\n<\/tr>\n
145<\/td>\n149 RERATING PIPING SYSTEMS
149.1 Uprating Piping Systems <\/td>\n<\/tr>\n
146<\/td>\nMANDATORY APPENDICES
MANDATORY APPENDIX A ALLOWABLE STRESS TABLES <\/td>\n<\/tr>\n
147<\/td>\nTable A-1 Carbon Steel <\/td>\n<\/tr>\n
161<\/td>\nTable A-2 Low and Intermediate Alloy Steel <\/td>\n<\/tr>\n
173<\/td>\nTable A-3 Stainless Steels <\/td>\n<\/tr>\n
209<\/td>\nTable A-4 Nickel and High Nickel Alloys <\/td>\n<\/tr>\n
223<\/td>\nTable A-5 Cast Iron <\/td>\n<\/tr>\n
227<\/td>\nTable A-6 Copper and Copper Alloys <\/td>\n<\/tr>\n
233<\/td>\nTable A-7 Aluminum and Aluminum Alloys <\/td>\n<\/tr>\n
241<\/td>\nTable A-8 Temperatures 1,200\u00b0F and Above <\/td>\n<\/tr>\n
249<\/td>\nTable A-9 Titanium and Titanium Alloys <\/td>\n<\/tr>\n
253<\/td>\nTable A-10 Bolts, Nuts, and Studs <\/td>\n<\/tr>\n
260<\/td>\nMANDATORY APPENDIX B THERMAL EXPANSION DATA <\/td>\n<\/tr>\n
261<\/td>\nTable B-1 Thermal Expansion Data <\/td>\n<\/tr>\n
265<\/td>\nTable B-1 (SI) Thermal Expansion Data <\/td>\n<\/tr>\n
270<\/td>\nMANDATORY APPENDIX C MODULI OF ELASTICITY <\/td>\n<\/tr>\n
271<\/td>\nTable C-1 Moduli of Elasticity for Ferrous Material <\/td>\n<\/tr>\n
272<\/td>\nTable C-1 (SI) Moduli of Elasticity for Ferrous Material <\/td>\n<\/tr>\n
273<\/td>\nTable C-2 Moduli of Elasticity for Nonferrous Material <\/td>\n<\/tr>\n
275<\/td>\nTable C-2 (SI) Moduli of Elasticity for Nonferrous Material <\/td>\n<\/tr>\n
278<\/td>\nMANDATORY APPENDIX D FLEXIBILITY AND STRESS INTENSIFICATION FACTORS <\/td>\n<\/tr>\n
279<\/td>\nTable D-1 Flexibility and Stress Intensification Factors <\/td>\n<\/tr>\n
283<\/td>\nFigure D-1 Branch Connection Dimensions <\/td>\n<\/tr>\n
284<\/td>\nFigure D-2 Flexibility Factor, k, and Stress Intensification Factor, i <\/td>\n<\/tr>\n
285<\/td>\nFigure D-3 Correction Factor, c <\/td>\n<\/tr>\n
286<\/td>\nMANDATORY APPENDIX F REFERENCED STANDARDS <\/td>\n<\/tr>\n
290<\/td>\nMANDATORY APPENDIX G NOMENCLATURE <\/td>\n<\/tr>\n
296<\/td>\nMANDATORY APPENDIX H PREPARATION OF TECHNICAL INQUIRIES
H-1 INTRODUCTION
H-2 REQUIREMENTS
H-3 SUBMITTAL <\/td>\n<\/tr>\n
297<\/td>\nMANDATORY APPENDIX N RULES FOR NONMETALLIC PIPING AND PIPING LINED WITH NONMETALS
FOREWORD <\/td>\n<\/tr>\n
298<\/td>\nChapter N-I Scope and Definitions <\/td>\n<\/tr>\n
300<\/td>\nFigure N-100.2.1-1 Winding Angle of Filament-Wound Thermosetting Resin Pipe <\/td>\n<\/tr>\n
301<\/td>\nChapter N-II Design <\/td>\n<\/tr>\n
302<\/td>\nTable N-102.2.1-1 Hydrostatic Design Stresses (HDS) and Recommended Temperature Limits for Thermoplastic Piping Components <\/td>\n<\/tr>\n
304<\/td>\nTable N-102.2.1-2 Design Stresses (DS) and Recommended Temperature Limits for Laminated Reinforced Thermosetting Resin Piping Components <\/td>\n<\/tr>\n
305<\/td>\nTable N-102.2.1-3 Hydrostatic Design Basis (HDB) for Machine-Made Reinforced Thermosetting Resin Pipe <\/td>\n<\/tr>\n
307<\/td>\nFigure N-102.3.1-1 Typical Allowable Stress Curve for Filament-Wound Reinforced Thermosetting Resin Pipe <\/td>\n<\/tr>\n
313<\/td>\nTable N-119.6.1-1 Thermal Expansion Coefficients, Nonmetals <\/td>\n<\/tr>\n
314<\/td>\nTable N-119.6.2-1 Modulus of Elasticity, Nonmetals <\/td>\n<\/tr>\n
316<\/td>\nChapter N-III Materials <\/td>\n<\/tr>\n
318<\/td>\nChapter N-IV Specifications and Standard Data <\/td>\n<\/tr>\n
319<\/td>\nTable N-126.1-1 Nonmetallic Material and Product Standards <\/td>\n<\/tr>\n
321<\/td>\nChapter N-V Fabrication, Assembly, and Erection <\/td>\n<\/tr>\n
322<\/td>\nFigure N-127.7.1-1 Solvent-Cemented Joint <\/td>\n<\/tr>\n
323<\/td>\nFigure N-127.7.2-1 Heat Fusion Joints
Figure N-127.7.3-1 Thermoplastic Electrofusion Joints <\/td>\n<\/tr>\n
324<\/td>\nFigure N-127.8.1-1 Thermosetting Resin Joints <\/td>\n<\/tr>\n
326<\/td>\nChapter N-VI Examination, Inspection, and Testing <\/td>\n<\/tr>\n
327<\/td>\nTable N-136.4.1-1 Acceptance Criteria for Bonds <\/td>\n<\/tr>\n
328<\/td>\nMANDATORY APPENDIX O USE OF ALTERNATIVE ULTRASONIC ACCEPTANCE CRITERIA
O-1 GENERAL
O-2 SCOPE
O-3 EQUIPMENT
O-4 PERSONNEL
O-5 EXAMINATION
O-6 DATA RECORDING
O-7 DATA ANALYSIS <\/td>\n<\/tr>\n
329<\/td>\nFigure O-8-1 Surface and Subsurface Indications
O-8 DISCONTINUITY EVALUATION
O-9 DISCONTINUITY ACCEPTANCE CRITERIA <\/td>\n<\/tr>\n
330<\/td>\nTable O-9-1 Discontinuity Acceptance Criteria for Weld Thickness Under 1.0 in. (25 mm)
Table O-9-2 Surface Discontinuity Acceptance Criteria for Weld Thickness 1.0 in. (25 mm) and Over
Table O-9-3 Subsurface Discontinuity Acceptance Criteria for Weld Thickness 1.0 in. (25 mm) and Over <\/td>\n<\/tr>\n
331<\/td>\nMANDATORY APPENDIX P METALLIC BELLOWS EXPANSION JOINTS
P-1 GENERAL
P-2 PIPING DESIGNER RESPONSIBILITIES <\/td>\n<\/tr>\n
332<\/td>\nP-3 EXPANSION JOINT MANUFACTURER RESPONSIBILITIES <\/td>\n<\/tr>\n
335<\/td>\nNONMANDATORY APPENDICES
NONMANDATORY APPENDIX II RULES FOR THE DESIGN OF SAFETY VALVE INSTALLATIONS
FOREWORD
II-1 SCOPE AND DEFINITION <\/td>\n<\/tr>\n
336<\/td>\nFigure II-1.2-1 Safety Valve Installation (Closed Discharge System) <\/td>\n<\/tr>\n
337<\/td>\nFigure II-1.2-2 Safety Valve Installation (Open Discharge System) <\/td>\n<\/tr>\n
338<\/td>\nII-2 LOADS <\/td>\n<\/tr>\n
339<\/td>\nFigure II-2.2.1-1 Discharge Elbow (Open Discharge Installation)
Table II-2.2.1-1 Values of a and b <\/td>\n<\/tr>\n
340<\/td>\nFigure II-2.2.1-2 Compressible Flow Analysis <\/td>\n<\/tr>\n
341<\/td>\nFigure II-2.2.1-3 Vent Pipe (Open Discharge Installation) <\/td>\n<\/tr>\n
343<\/td>\nII-3 BENDING MOMENT COMPUTATIONS <\/td>\n<\/tr>\n
345<\/td>\nFigure II-3.5.1.3-1 Safety Valve Installation (Open Discharge System)
II-4 LOADING CRITERIA AND STRESS COMPUTATION <\/td>\n<\/tr>\n
346<\/td>\nFigure II-3.5.1.3-2 Dynamic Load Factors for Open Discharge System <\/td>\n<\/tr>\n
347<\/td>\nII-5 DESIGN CONSIDERATIONS <\/td>\n<\/tr>\n
349<\/td>\nFigure II-6-1 Examples of Safety Valve Installations
II-6 SAMPLE DESIGNS
II-7 SAMPLE PROBLEM (SEE FIGURES II-7-1 AND II-7-2) <\/td>\n<\/tr>\n
351<\/td>\nFigure II-7-1 Sample Problem Figure 1 <\/td>\n<\/tr>\n
352<\/td>\nFigure II-7-2 Sample Problem Figure 2 <\/td>\n<\/tr>\n
355<\/td>\nFigure II-7.1.9-1 Sample Problem Figure 3 <\/td>\n<\/tr>\n
356<\/td>\nNONMANDATORY APPENDIX IV CORROSION CONTROL FOR ASME B31.1 POWER PIPING SYSTEMS
FOREWORD
IV-1 GENERAL
IV-2 EXTERNAL CORROSION CONTROL FOR BURIED OR SUBMERGED PIPELINES <\/td>\n<\/tr>\n
357<\/td>\nIV-3 INTERNAL CORROSION CONTROL <\/td>\n<\/tr>\n
358<\/td>\nTable IV-5.2-1 Flow-Accelerated Corrosion Rates
IV-4 EXTERNAL CORROSION CONTROL FOR PIPING EXPOSED TO THE ATMOSPHERE
IV-5 MONITORING OF PIPE WALL THINNING DUE TO FLOW-ACCELERATED CORROSION <\/td>\n<\/tr>\n
359<\/td>\nIV-6 REFERENCES <\/td>\n<\/tr>\n
360<\/td>\nNONMANDATORY APPENDIX V RECOMMENDED PRACTICE FOR OPERATION, MAINTENANCE, AND MODIFICATION OF POWER PIPING SYSTEMS
FOREWORD
V-1 DEFINITIONS <\/td>\n<\/tr>\n
361<\/td>\nV-2 GENERAL
V-3 OPERATING AND MAINTENANCE PROGRAM <\/td>\n<\/tr>\n
362<\/td>\nV-4 REQUIREMENTS OF THE OPERATING, MAINTENANCE, AND MODIFICATION PROCEDURES
V-5 PIPING AND PIPE-SUPPORT MAINTENANCE PROGRAM AND PERSONNEL REQUIREMENTS
V-6 MATERIAL RESTORATION <\/td>\n<\/tr>\n
363<\/td>\nV-7 CPS POSITION HISTORY <\/td>\n<\/tr>\n
364<\/td>\nV-8 PIPING CORROSION <\/td>\n<\/tr>\n
368<\/td>\nV-9 PIPING ADDITION TO EXISTING PLANTS <\/td>\n<\/tr>\n
369<\/td>\nV-10 PRESSURE RELIEF DEVICES
V-11 DYNAMIC LOADING <\/td>\n<\/tr>\n
370<\/td>\nV-12 DAMAGE MECHANISMS <\/td>\n<\/tr>\n
371<\/td>\nFigure V-13.1.2-1 Effect of Various Steady Operating Temperatures on Time to Failure Due to Creep
V-13 CREEP <\/td>\n<\/tr>\n
372<\/td>\nV-14 RERATING PIPING SYSTEMS <\/td>\n<\/tr>\n
373<\/td>\nV-15 REPAIR OF PIPING SYSTEMS <\/td>\n<\/tr>\n
374<\/td>\nNONMANDATORY APPENDIX VII PROCEDURES FOR THE DESIGN OF RESTRAINED UNDERGROUND PIPING
FOREWORD
VII-1 SCOPE AND DEFINITIONS <\/td>\n<\/tr>\n
375<\/td>\nVII-2 LOADS <\/td>\n<\/tr>\n
376<\/td>\nVII-3 CALCULATIONS <\/td>\n<\/tr>\n
377<\/td>\nTable VII-3.2.3-1 Approximate Safe Working Values of CD for Use in Modified Marston Formula <\/td>\n<\/tr>\n
378<\/td>\nFigure VII-3.3.2-1 Element Category A, Elbow or Bend
Figure VII-3.3.2-2 Element Category B, Branch Pipe Joining the P Leg
Figure VII-3.3.2-3 Element Category C, Tee on End of P Leg
Figure VII-3.3.2-4 Element Category D, Straight Pipe <\/td>\n<\/tr>\n
379<\/td>\nVII-4 COMPUTER MODELING OF BURIED PIPING <\/td>\n<\/tr>\n
380<\/td>\nFigure VII-5-1 Plan of Example Buried Pipe
VII-5 ALLOWABLE STRESS IN BURIED PIPE
VII-6 EXAMPLE CALCULATIONS <\/td>\n<\/tr>\n
382<\/td>\nTable VII-6.3-1 Equations for Calculating Effective Length L\u2032 or L\u2033 <\/td>\n<\/tr>\n
384<\/td>\nFigure VII-6.4.4-1 Computer Model of Example Pipe
Figure VII-6.6-1 Example Plan of Element 1 as a Category D Element <\/td>\n<\/tr>\n
385<\/td>\nNONMANDATORY APPENDIX VIII GUIDELINES FOR DETERMINING IF LOW-TEMPERATURE SERVICE REQUIREMENTS APPLY <\/td>\n<\/tr>\n
386<\/td>\nTable VIII-1 Low-Temperature Service Requirements by Material Group <\/td>\n<\/tr>\n
388<\/td>\nTable VIII-2 Material Groupings by Material Specification <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ASME B31.1-2022 Power Piping<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASME<\/b><\/a><\/td>\n2022<\/td>\n394<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":407939,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2643],"product_tag":[],"class_list":{"0":"post-407933","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asme","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/407933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/407939"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=407933"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=407933"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=407933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}