{"id":29767,"date":"2024-10-17T03:21:16","date_gmt":"2024-10-17T03:21:16","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asme-b31-12-08\/"},"modified":"2024-10-24T14:14:33","modified_gmt":"2024-10-24T14:14:33","slug":"asme-b31-12-08","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asme\/asme-b31-12-08\/","title":{"rendered":"ASME B31.12 08"},"content":{"rendered":"
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
10<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | COMMITTEE PERSONNEL <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | Chapter GR- 1 Scope and Definitions GR- 1.1 SCOPE GR- 1.2 RESPONSIBILITIES Tables <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | GR- 1.3 INTENT OF THE CODE GR- 1.4 PACKAGED EQUIPMENT REQUIREMENTS GR- 1.5 TERMS AND DEFINITIONS <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | GR- 1.6 B31.12 APPENDICES GR- 1.7 NOMENCLATURE <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Chapter GR- 2 Materials GR- 2.1 GENERAL REQUIREMENTS <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Table GR- 2.1.1( a) Material Specification Index for Piping and Pipe Components <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Table GR- 2.1.1( b) Material Specification Index for Pipelines <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | Table GR- 2.1.2( b)( 2) Requirements for Low Temperature Toughness Tests for Metals <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | Fig. GR-2.1.2(b)A Minimum Temperatures Without Impact Testing for Carbon Steel Materials <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | Table GR- 2.1.2( b) A Tabular Values for Minimum Temperatures Without Impact Testing for Carbon Steel Materials [ See Fig. GR- 2.1.2( b) A for Curves and Applicable Notes] <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | Fig. GR-2.1.2(b)B Reduction in Minimum Design Metal Temperature Without Impact Testing <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | Table GR- 2.1.3( a) Impact Testing Requirements for Metals <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | Table GR- 2.1.3( d) Charpy Impact Test Temperature Reduction <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | Table GR- 2.1.3( e) Minimum Required Charpy V- Notch Impact Values <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | GR- 2.2 JOINING AND AUXILIARY MATERIALS <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | Chapter GR- 3 Welding, Brazing, Heat Treating, Forming, and Testing GR- 3.1 GENERAL GR- 3.2 WELDING AND BRAZING <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | GR- 3.3 WELDING AND BRAZING MATERIALS GR- 3.4 CONSTRUCTION OF WELDMENTS <\/td>\n<\/tr>\n | ||||||
45<\/td>\n | Fig. GR-3.4.3(a) Geometry of Weld Joint Detail Single Vee Groove Butt With Extended Land Fig. GR-3.4.3(c) Unequal Pipe Component Thicknesses, Thicker Components Bored for Alignment Fig. GR-3.4.3(d) Geometry of Weld Joint Detail Single Vee Groove Butt, Open Root <\/td>\n<\/tr>\n | ||||||
46<\/td>\n | Fig. GR-3.4.3(e) Unequal Pipe Component Thicknesses, Thicker Components Taper-Bored to Align Fig. GR-3.4.3(f) Geometry of Weld Joint Detail Single Vee Groove Butt, Continuous Flat Backing Ring Fig. GR-3.4.3(g) Geometry of Weld Joint Detail Single Vee Groove Butt, Continuous Tapered Backing Ring <\/td>\n<\/tr>\n | ||||||
47<\/td>\n | Fig. GR-3.4.3(h) Geometry of Weld Joint Detail Single Vee Groove Butt, Consumable Insert Fig. GR-3.4.3(i) Preparation and Alignment of Pipe Branch to Pipe Header Connection <\/td>\n<\/tr>\n | ||||||
48<\/td>\n | Fig. GR-3.4.4(a) Geometry of Weld Deposit Single Vee Groove Butt, Open Root Fig. GR-3.4.4(b) Geometry of Weld Deposit Root Single Vee Groove Butt With Extended Land (Without Filler Metal) Fig. GR-3.4.4(c) Geometry of Weld Deposit Square Butt End (Without Filler Metal) <\/td>\n<\/tr>\n | ||||||
49<\/td>\n | Fig. GR-3.4.5 Welding End Transition \u2014 Maximum Envelope <\/td>\n<\/tr>\n | ||||||
50<\/td>\n | Table GR- 3.4.6 Weld Reinforcement <\/td>\n<\/tr>\n | ||||||
51<\/td>\n | Fig. GR-3.4.6(a) Geometry of Weld Deposit Single Vee Groove Butt, Open Root With Concavity Fig. GR-3.4.7(a) Fillet Weld Size <\/td>\n<\/tr>\n | ||||||
52<\/td>\n | Fig. GR-3.4.7(b) Typical Details for Double-Welded Slip-On Flanges Fig. GR-3.4.7(c) Minimum Welding Dimensions for Socket Welding Components to Pipe Including Fit-Up Detail <\/td>\n<\/tr>\n | ||||||
53<\/td>\n | Figs. GR-3.4.9(a), (b), (c), and (d) Typical Welded Branch Connections <\/td>\n<\/tr>\n | ||||||
54<\/td>\n | Fig. GR-3.4.9(e) Acceptable Details for Pipe Branch Attachment Welds <\/td>\n<\/tr>\n | ||||||
55<\/td>\n | Fig. GR-3.4.9(f) Acceptable Detail for Branch Connection of Pipe Fitting Fig. GR-3.4.9(g) Acceptable Details for Branch Attachment Suitable for 100% Radiography <\/td>\n<\/tr>\n | ||||||
56<\/td>\n | GR- 3.5 PREHEATING FOR WELDMENTS GR- 3.6 HEAT TREATMENT <\/td>\n<\/tr>\n | ||||||
57<\/td>\n | Table GR- 3.6.1 Requirements for Postweld Heat Treatment of Weldments Table GR- 3.5 Preheat Temperatures <\/td>\n<\/tr>\n | ||||||
59<\/td>\n | GR- 3.7 SPECIFIC AND ALTERNATIVE HEAT TREAT REQUIREMENTS GR- 3.8 CONSTRUCTION OF BRAZEMENTS <\/td>\n<\/tr>\n | ||||||
60<\/td>\n | Fig. GR-3.8.1 Joints for Tubular Components Figures <\/td>\n<\/tr>\n | ||||||
61<\/td>\n | GR- 3.9 FORMING OF PIPE COMPONENTS <\/td>\n<\/tr>\n | ||||||
62<\/td>\n | GR- 3.10 TESTING <\/td>\n<\/tr>\n | ||||||
63<\/td>\n | Chapter GR- 4 Inspection, Examination, and Testing GR- 4.1 GENERAL GR- 4.2 INSPECTION GR- 4.3 EXAMINATION <\/td>\n<\/tr>\n | ||||||
64<\/td>\n | GR- 4.4 PERSONNEL QUALIFICATION AND CERTIFICATION <\/td>\n<\/tr>\n | ||||||
65<\/td>\n | GR- 4.5 EXTENT OF REQUIRED EXAMINATION AND TESTING GR- 4.6 ACCEPTANCE CRITERIA GR- 4.7 SUPPLEMENTARY EXAMINATION GR- 4.8 EXAMINATIONS TO RESOLVE UNCERTAINTY GR- 4.9 DEFECTIVE COMPONENTS AND WORKMANSHIP GR- 4.10 TESTING GR- 4.11 RECORDS GR- 4.12 NDE DEFINITIONS <\/td>\n<\/tr>\n | ||||||
66<\/td>\n | Chapter GR- 5 Operation and Maintenance GR- 5.1 GENERAL GR- 5.2 OPERATION MAINTENANCE PLAN <\/td>\n<\/tr>\n | ||||||
68<\/td>\n | GR- 5.3 MAINTENANCE REQUIREMENTS <\/td>\n<\/tr>\n | ||||||
70<\/td>\n | GR- 5.4 LEAKAGE SURVEYS GR- 5.5 REPAIR PROCEDURES GR- 5.6 INJURIOUS DENTS AND MECHANICAL DAMAGE <\/td>\n<\/tr>\n | ||||||
72<\/td>\n | GR- 5.7 PERMANENT REPAIR OF WELDS WITH DEFECTS GR- 5.8 PERMANENT FIELD REPAIR OF LEAKS AND NONLEAKING CORRODED AREAS GR- 5.9 PERMANENT FIELD REPAIR OF HYDROGEN STRESS CRACKING IN HARD SPOTS AND STRESS CORROSION CRACKING GR- 5.10 TESTING AND EXAMINATION OF REPAIRS GR- 5.11 VALVE MAINTENANCE <\/td>\n<\/tr>\n | ||||||
73<\/td>\n | GR- 5.12 TRANSMISSION PIPELINE MAINTENANCE <\/td>\n<\/tr>\n | ||||||
74<\/td>\n | GR- 5.13 ABANDONING OF TRANSMISSION FACILITIES GR- 5.14 DECOMMISSIONING OF TRANSMISSION FACILITIES GR- 5.15 RECOMMISSIONING OF TRANSMISSION FACILITIES GR- 5.16 REPOSITIONING A PIPELINE IN SERVICE <\/td>\n<\/tr>\n | ||||||
75<\/td>\n | GR- 5.17 TESTING FOR INTEGRITY ASSESSMENT OF IN- SERVICE PIPELINES <\/td>\n<\/tr>\n | ||||||
76<\/td>\n | GR- 5.18 DISTRIBUTION PIPELINE MAINTENANCE GR- 5.19 LEAKAGE SURVEYS GR- 5.20 LEAKAGE INVESTIGATION AND ACTION <\/td>\n<\/tr>\n | ||||||
77<\/td>\n | GR- 5.21 REPAIR, TESTING, AND EXAMINATION OF MAINS OPERATING AT HOOP STRESS LEVELS AT OR ABOVE 30% OF THE SPECIFIED MINIMUM YIELD STRENGTH GR- 5.22 REQUIREMENTS FOR ABANDONING, DISCONNECTING, AND REINSTATING DISTRIBUTION FACILITIES <\/td>\n<\/tr>\n | ||||||
78<\/td>\n | GR- 5.23 MAINTENANCE OF SPECIFIC FACILITIES <\/td>\n<\/tr>\n | ||||||
80<\/td>\n | Chapter GR- 6 Quality System Program for Hydrogen Piping and Pipeline Systems GR- 6.1 QUALITY SYSTEM PROGRAM GR- 6.2 QUALITY MANUAL <\/td>\n<\/tr>\n | ||||||
83<\/td>\n | Chapter IP- 1 Scope and Responsibilities IP- 1.1 SCOPE IP- 1.2 RESPONSIBILITIES IP- 1.3 INTENT IP- 1.4 DETERMINING CODE REQUIREMENTS <\/td>\n<\/tr>\n | ||||||
84<\/td>\n | Chapter IP- 2 Design Conditions and Criteria IP- 2.1 DESIGN CONDITIONS <\/td>\n<\/tr>\n | ||||||
85<\/td>\n | IP- 2.2 DESIGN CRITERIA <\/td>\n<\/tr>\n | ||||||
88<\/td>\n | Table IP- 2.2.8( c)- 1 Increased Casting Quality Factors, Table IP- 2.2.8( c)- 2 Acceptance Levels for Castings Tables <\/td>\n<\/tr>\n | ||||||
89<\/td>\n | Table IP- 2.2.9 Longitudinal Weld Joint Quality Factor, <\/td>\n<\/tr>\n | ||||||
92<\/td>\n | Chapter IP- 3 Pressure Design of Piping Components IP- 3.1 GENERAL IP- 3.2 STRAIGHT PIPE Table IP- 3.2 Values of Coefficient <\/td>\n<\/tr>\n | ||||||
93<\/td>\n | IP- 3.3 CURVED AND MITERED SEGMENTS OF PIPE Fig. IP-3.3.1 Nomenclature for Pipe Bends Fig. IP-3.3.3 Nomenclature for Miter Bends <\/td>\n<\/tr>\n | ||||||
94<\/td>\n | IP- 3.4 BRANCH CONNECTIONS <\/td>\n<\/tr>\n | ||||||
96<\/td>\n | Fig. IP-3.4.2 Branch Connection Nomenclature <\/td>\n<\/tr>\n | ||||||
98<\/td>\n | Fig. IP-3.4.3 Extruded Outlet Header Nomenclature <\/td>\n<\/tr>\n | ||||||
100<\/td>\n | IP- 3.5 CLOSURES IP- 3.6 PRESSURE DESIGN OF FLANGES AND BLANKS Table IP- 3.5 ASME BPV Code Section VIII, Division 1 References for Closures <\/td>\n<\/tr>\n | ||||||
101<\/td>\n | IP- 3.7 REDUCERS IP- 3.8 PRESSURE DESIGN OF OTHER COMPONENTS <\/td>\n<\/tr>\n | ||||||
102<\/td>\n | Fig. IP-3.6.3 Blanks <\/td>\n<\/tr>\n | ||||||
103<\/td>\n | Chapter IP- 4 Service Requirements for Piping Components IP- 4.1 VALVES AND SPECIALTY COMPONENTS IP- 4.2 OTHER CONSIDERATIONS IP- 4.3 BOLTING AND TAPPED HOLES FOR COMPONENTS <\/td>\n<\/tr>\n | ||||||
104<\/td>\n | Chapter IP- 5 Service Requirements for Piping Joints IP- 5.1 SCOPE IP- 5.2 WELDED JOINTS IP- 5.3 FLANGED JOINTS <\/td>\n<\/tr>\n | ||||||
105<\/td>\n | IP- 5.4 EXPANDED JOINTS IP- 5.5 THREADED JOINTS <\/td>\n<\/tr>\n | ||||||
106<\/td>\n | IP- 5.6 CAULKED JOINTS IP- 5.7 BRAZED AND SOLDERED JOINTS <\/td>\n<\/tr>\n | ||||||
107<\/td>\n | IP- 5.8 SPECIAL JOINTS <\/td>\n<\/tr>\n | ||||||
108<\/td>\n | Chapter IP- 6 Flexibility and Support IP- 6.1 FLEXIBILITY OF PIPING <\/td>\n<\/tr>\n | ||||||
111<\/td>\n | Fig. IP-6.1.5(d)(1) Moments in Bends <\/td>\n<\/tr>\n | ||||||
112<\/td>\n | Fig. IP-6.1.5(d)(2) Moments in Branch Connections <\/td>\n<\/tr>\n | ||||||
113<\/td>\n | IP- 6.2 PIPING SUPPORTS <\/td>\n<\/tr>\n | ||||||
116<\/td>\n | Chapter IP- 7 Specific Piping Systems IP- 7.1 INSTRUMENT PIPING IP- 7.2 PRESSURE- RELIEVING SYSTEMS <\/td>\n<\/tr>\n | ||||||
117<\/td>\n | Chapter IP- 8 Dimensions and Ratings of Components IP- 8.1 DIMENSIONAL REQUIREMENTS IP- 8.2 RATINGS OF COMPONENTS IP- 8.3 REFERENCE DOCUMENTS <\/td>\n<\/tr>\n | ||||||
118<\/td>\n | Table IP- 8.1 Component Standards <\/td>\n<\/tr>\n | ||||||
119<\/td>\n | Chapter IP- 9 Fabrication, Erection, and Assembly IP- 9.1 GENERAL IP- 9.2 RESPONSIBILITY IP- 9.3 CONTENT AND COVERAGE IP- 9.4 PACKAGED EQUIPMENT PIPING IP- 9.5 EXCLUSIONS IP- 9.6 FABRICATION AND ERECTION IP- 9.7 CONSTRUCTION OF WELDMENTS IP- 9.8 PREHEATING FOR WELDMENTS <\/td>\n<\/tr>\n | ||||||
120<\/td>\n | IP- 9.9 HEAT TREATMENT IP- 9.10 SPECIFIC AND ALTERNATIVE HEAT TREATMENT REQUIREMENTS IP- 9.11 CONSTRUCTION OF BRAZEMENTS IP- 9.12 BENDING AND FORMING OF PIPE AND TUBE IP- 9.13 ASSEMBLY AND ERECTION <\/td>\n<\/tr>\n | ||||||
121<\/td>\n | IP- 9.14 THREADED JOINTS IP- 9.15 TUBING JOINTS IP- 9.16 EXPANDED JOINTS AND SPECIAL JOINTS IP- 9.17 PIPE ATTACHMENTS AND SUPPORTS IP- 9.18 CLEANING OF PIPING IP- 9.19 INSPECTION, EXAMINATION, AND TESTING <\/td>\n<\/tr>\n | ||||||
122<\/td>\n | IP- 9.20 LEAK TESTING OF PIPING SYSTEMS IP- 9.21 RECORDS FOR LEAK TESTING Fig. IP-9.14(c) Typical Threaded Joints Using Straight Threads <\/td>\n<\/tr>\n | ||||||
123<\/td>\n | Chapter IP- 10 Inspection, Examination, and Testing IP- 10.1 SCOPE IP- 10.2 RESPONSIBILITY IP- 10.3 INSPECTIONS BY OWNER IP- 10.4 EXAMINATIONS BY THE CONSTRUCTION ORGANIZATION IP- 10.5 EXAMINATION REQUIREMENTS <\/td>\n<\/tr>\n | ||||||
124<\/td>\n | Table IP- 10.5( a) Required Nondestructive Examination for High, Medium, and Low Pressure Pipe Design and Acceptance Criteria for Weldments and Evaluation of Weld Imperfections <\/td>\n<\/tr>\n | ||||||
125<\/td>\n | Tables <\/td>\n<\/tr>\n | ||||||
126<\/td>\n | Table IP- 10.5( b) Acceptance Criterion\/ Value for Table IP- 10.5( a) <\/td>\n<\/tr>\n | ||||||
129<\/td>\n | Table IP- 10.5.6 Required Ultrasonic or Eddy Current Examination of Pipe and Tubing for Longitudinal Defects Table IP- 10.5.7 Hardness Testing After PWHT <\/td>\n<\/tr>\n | ||||||
130<\/td>\n | IP- 10.6 TESTING <\/td>\n<\/tr>\n | ||||||
131<\/td>\n | IP- 10.7 HYDROSTATIC LEAK TEST IP- 10.8 PNEUMATIC LEAK TEST <\/td>\n<\/tr>\n | ||||||
132<\/td>\n | IP- 10.9 HYDROSTATIC\u2013 PNEUMATIC LEAK TEST IP- 10.10 SENSITIVE LEAK TEST IP- 10.11 ALTERNATIVE LEAK TEST IP- 10.12 MECHANICAL AND METALLURGICAL TESTING IP- 10.13 RECORDS OF TESTING <\/td>\n<\/tr>\n | ||||||
133<\/td>\n | Chapter PL- 1 Scope and Exclusions PL- 1.1 SCOPE PL- 1.2 CONTENT AND COVERAGE PL- 1.3 EXCLUSIONS <\/td>\n<\/tr>\n | ||||||
134<\/td>\n | Chapter PL- 2 Pipeline Systems Components and Fabrication Details PL- 2.1 PURPOSE PL- 2.2 PIPING SYSTEM COMPONENTS <\/td>\n<\/tr>\n | ||||||
136<\/td>\n | PL- 2.3 REINFORCEMENT OF FABRICATED BRANCH CONNECTIONS <\/td>\n<\/tr>\n | ||||||
137<\/td>\n | PL- 2.4 MULTIPLE OPENINGS AND EXTRUDED OUTLETS <\/td>\n<\/tr>\n | ||||||
138<\/td>\n | PL- 2.5 EXPANSION AND FLEXIBILITY Table PL- 2.3.2 Reinforcement of Fabricated Branch Connections, Special Requirements <\/td>\n<\/tr>\n | ||||||
139<\/td>\n | PL- 2.6 DESIGN FOR LONGITUDINAL STRESS Table PL- 2.5.5 Modulus of Elasticity for Carbon and Low Alloy Steel Table PL- 2.5.2 Thermal Expansion of Carbon and Low Alloy Steel <\/td>\n<\/tr>\n | ||||||
141<\/td>\n | PL- 2.7 SUPPORTS AND ANCHORAGE FOR EXPOSED PIPING <\/td>\n<\/tr>\n | ||||||
142<\/td>\n | PL- 2.8 ANCHORAGE FOR BURIED PIPING <\/td>\n<\/tr>\n | ||||||
143<\/td>\n | Chapter PL- 3 Design, Installation, and Testing PL- 3.1 PROVISIONS FOR DESIGN PL- 3.2 BUILDINGS INTENDED FOR HUMAN OCCUPANCY <\/td>\n<\/tr>\n | ||||||
144<\/td>\n | PL- 3.3 CONSIDERATIONS NECESSARY FOR CONCENTRATIONS OF PEOPLE IN LOCATION CLASS 1 OR 2 PL- 3.4 INTENT PL- 3.5 RISK ASSESSMENT <\/td>\n<\/tr>\n | ||||||
145<\/td>\n | PL- 3.6 LOCATION CLASS AND CHANGES IN NUMBER OF BUILDINGS INTENDED FOR HUMAN OCCUPANCY Table PL- 3.6.1 Location Class <\/td>\n<\/tr>\n | ||||||
147<\/td>\n | PL- 3.7 STEEL PIPELINE <\/td>\n<\/tr>\n | ||||||
149<\/td>\n | Table PL- 3.7.1 Nominal Chemical Composition Within a Specification\/ Grade Table PL- 3.7.1( b)( 6)- 1 Basic Design Factor, <\/td>\n<\/tr>\n | ||||||
150<\/td>\n | Table PL- 3.7.1( b)( 6)- 2 Design Factors for Steel Pipe Construction ( Used With Option A) Table PL- 3.7.1( b)( 6)- 3 Basic Design Factor, <\/td>\n<\/tr>\n | ||||||
151<\/td>\n | Table PL- 3.7.1( b)( 6)- 4 Design Factors for Steel Pipe Construction ( Used With Option B) Table PL- 3.7.1( b)( 8) Temperature Derating Factor, <\/td>\n<\/tr>\n | ||||||
152<\/td>\n | Table PL- 3.7.5( a)( 2) Maximum Degree of Bending <\/td>\n<\/tr>\n | ||||||
154<\/td>\n | PL- 3.8 HOT TAPS PL- 3.9 PRECAUTIONS TO PREVENT COMBUSTION OF HYDROGEN\u2013 AIR MIXTURES DURING CONSTRUCTION OPERATIONS PL- 3.10 TESTING AFTER CONSTRUCTION <\/td>\n<\/tr>\n | ||||||
155<\/td>\n | PL- 3.11 COMMISSIONING OF FACILITIES <\/td>\n<\/tr>\n | ||||||
156<\/td>\n | PL- 3.12 PIPE- TYPE AND BOTTLE- TYPE HOLDERS PL- 3.13 CONTROL AND LIMITING OF HYDROGEN GAS PRESSURE <\/td>\n<\/tr>\n | ||||||
159<\/td>\n | PL- 3.14 UPRATING <\/td>\n<\/tr>\n | ||||||
160<\/td>\n | PL- 3.15 VALVES PL- 3.16 VAULT PROVISIONS FOR DESIGN, CONSTRUCTION, AND INSTALLATION OF PIPELINE COMPONENTS <\/td>\n<\/tr>\n | ||||||
161<\/td>\n | PL- 3.17 LOCATION FOR CUSTOMERS’ METER AND REGULATOR INSTALLATIONS PL- 3.18 HYDROGEN GAS SERVICE LINES <\/td>\n<\/tr>\n | ||||||
162<\/td>\n | PL- 3.19 INSPECTION AND EXAMINATION <\/td>\n<\/tr>\n | ||||||
165<\/td>\n | PL- 3.20 REPAIR OR REMOVAL OF DEFECTIVE WELDS IN PIPING INTENDED TO OPERATE AT HOOP STRESS LEVELS OF 20% OR MORE OF THE SPECIFIED MINIMUM YIELD STRENGTH PL- 3.21 STEEL PIPELINE SERVICE CONVERSIONS <\/td>\n<\/tr>\n | ||||||
168<\/td>\n | MANDATORY APPENDICES I DESIGN OF ABOVE- GROUND HYDROGEN GAS PIPELINE FACILITIES <\/td>\n<\/tr>\n | ||||||
172<\/td>\n | II REFERENCE STANDARDS <\/td>\n<\/tr>\n | ||||||
176<\/td>\n | III SAFEGUARDING <\/td>\n<\/tr>\n | ||||||
178<\/td>\n | IV NOMENCLATURE <\/td>\n<\/tr>\n | ||||||
183<\/td>\n | VI PREPARATION OF TECHNICAL INQUIRIES <\/td>\n<\/tr>\n | ||||||
185<\/td>\n | VII GAS LEAKAGE AND CONTROL CRITERIA <\/td>\n<\/tr>\n | ||||||
192<\/td>\n | IX ALLOWABLE STRESSES AND QUALITY FACTORS FOR METALLIC PIPING, PIPELINE, AND BOLTING MATERIALS <\/td>\n<\/tr>\n | ||||||
229<\/td>\n | Figures NONMANDATORY APPENDICES A PRECAUTIONARY CONSIDERATIONS <\/td>\n<\/tr>\n | ||||||
239<\/td>\n | B ALTERNATIVE RULES FOR EVALUATING STRESS RANGE <\/td>\n<\/tr>\n | ||||||
241<\/td>\n | C RECOMMENDED PRACTICES FOR PROOF TESTING OF PIPELINES IN PLACE <\/td>\n<\/tr>\n | ||||||
244<\/td>\n | D ESTIMATING STRAIN IN DENTS <\/td>\n<\/tr>\n | ||||||
245<\/td>\n | E SAMPLE CALCULATIONS FOR BRANCH REINFORCEMENT IN PIPING <\/td>\n<\/tr>\n | ||||||
249<\/td>\n | F WELDED BRANCH CONNECTIONS AND EXTRUDED HEADERS IN PIPELINE SYSTEMS <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ASME B31.12 Hydrogen Piping and Pipelines <\/b><\/p>\n |