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Suggested revisions are invited and should be submitted to API, Standards department, 1220 L Street, NW, Washington, DC 20005. iii CONTENTS Page SCOPE .............................................................. . 1.1 Purpose and Coverage ............................................. . 1.2 Product Specification Level (PSL) ................................... . 1.3 Grades ......................................................... . 1.4 Dimensions ...................................................... . 1.5 Units ........................................................... . 2 REFERENCES ....................................................... . 3 DEFINITIONS ......................................................... 2 04 4 INFORMATION TO BE SUPPLIED BY THE PURCHASER .................. 3 5 PROCESS OF MANUFACTURE AND MATERIAL ......................... 6 5.1 Process of Manufacture ............................................. 6 5.2 Cold Expansion ................................................... 8 5.3 Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8 5.4 Heat Treatment. ................................................... 8 1 04 5.5 Skelp End Welds in Helical Seam Pipe ................................. 8 5.6 Traceability ....................................................... 8 6 MATERIAL REQUIREMENTS .......................................... 8 6.1 Chemical Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8 6.2 Mechanical Properties. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9 7 DIMENSIONS, WEIGHTS, LENGTHS, DEFECTS, AND END FINISHES ..... . 10 7.1 Specified Dimensions ............................................ . 10 7.2 Diameter. ...................................................... . 10 7.3 Wall Thickness .................................................. . II 7.4 Weight ........................................................ . II 7.5 Length ........................................................ . II 7.6 Straightness .................................................... . 12 7.7 Jointers ........................................................ . 12 7.8 Workmanship and Defects ......................................... . 12 104 7.9 Pipe Ends ...................................................... . 14 8 COUPLINGS (PSL 1 ONLY) ........................................... . 15 8.1 Material ....................................................... . 15 8.2 Tensile Tests .................................................... . 15 8.3 Dimensions ..................................................... . 15 8.4 Inspection ...................................................... . 15 9 INSPECTION AND TESTING ......................................... . 15 9.1 Test Equipment ................................................. . 15 9.2 Testing of Chemical Composition ................................... . 15 9.3 Testing of Mechanical Properties ................................... . 15 104 9.4 Hydrostatic Tests ................................................ . 17 9.5 Dimensional Testing ............................................. . 18 9.6 Surface Inspection ............................................... . 18 v Page 9.7 Visual Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 18 9.8 Nondestructive Inspection .......................................... 18 9.9 Disposition of Pipe Containing Defects ............................... 22 9.10 Test Methods ........................... , ........................ 22 I 04 9.11 Invalidation of Tests ............................................... 23 9.12 Retests ......................................................... 23 104 9.13 Reprocessing .................................................... 24 10 MARKING .......................................................... 24 10.1 General ......................................................... 24 10.2 Location of Markings .............................................. 25 10.3 Sequence of Markings ....... , ..................................... 25 10.4 Bundle Identification ........ , ..................................... 26 10.5 Length ................... , .................. , .................. 26 10.6 Couplings ................. , .................. , .................. 26 10.7 Die Stamping .............. , .................. , .................. 26 10.8 Thread Identification ........ , ..................................... 27 10.9 Thread Certification ......... , ..................................... 27 10. 10 Pipe Processor Markings ..... , ..................................... 27 I I COATING AND PROTECTION ... , ..................................... 27 I 1.1 Coatings ........................................................ 27 t t.2 Thread Protectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 12 DOCUMENTS ....................................................... 27 12.1 Certification ..................................................... 27 12.2 Retention of Records ........ , ..................................... 28 13 PIPE LOADING ................ , ..................................... 28 APPENDIX A SPECIFfCA TION FOR WELDED JOINTERS (NORMATIVE) ..... 79 APPENDIX B REPAIR OF DEFECTS BY WELDING (NORMATIVE) .......... 81 APPENDIX C REPAIR WELDING PROCEDURE (NORMATiVE) .............. 83 APPENDIX D ELONGATION TABLE (NORMATIVE) ....................... 89 APPENDIX E DIMENSIONS, WEIGHTS, AND TEST PRESSURES -Sf UNITS (NORMATIVE) ..................... , ........... 93 APPENDIX F SUPPLEMENTARY REQUIREMENTS (NORMATIVE) ......... 121 APPENDIX G GUIDED-BEND TEST JIG DIMENSIONS (NORMATIVE) ....... 131 APPENDIX H PURCHASER INSPECTION (NORMATIVE) ............. , .... 143 APPENDIX I MARKING INSTRUCTIONS FOR API LICENSEES (NORMATIVE) ................... , ....................... 145 APPENDIX J SUMMARY OF DIFFERENCES BETWEEN PSL 1 AND PSL 2 (INFORMATIVE) .................................... , . . .. 149 APPENDIX K END LOAD COMPENSATION FOR HYDROSTATIC TEST PRESSURES IN EXCESS OF 90% OF SPECIFIED MINIMUM YIELD STRENGTH (NORMATIVE) . . . . . . . . . . . . . .. 151 APPENDIX M CONVERSION PROCEDURES ...... , ....................... 153 vi Page Figures I Belled End for Bell and Spigot Joint ................................... 28 2 Line Pipe and Couplings ............................................. 28 3 Orientation of Tensile Test Specimens .................................. 29 4 Tensile Test Specimens .............................................. 30 5 Flattening Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 I 6 API Standard penetrameter ........................................... 31 7 Examples of Maximum Distribution Patterns of Indicated Circular Slag-inclusion and Gas-pocket-type Discontinuities ................ 32 8 Examples of Maximum Distribution Patterns of Indicated Elongated Slag-inclusion-type Discontinuities ........................... 33 9 Guided-bend Test Specimen .......................................... 33 10 Jig for Guided-bend Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 104 B-1 Resultant Cavity for Undercut Repair (PSL 2 Only) ....................... 82 C-I Transverse Tensile Test Specimen ..................................... 85 C-2 Guided-bend Test Specimen .......................................... 85 C-3 Jig for Guided-bend Test ............................................. 86 C-4 Nick-break Test Specimen ........................................... 87 F-I Impact Test Specimen Tapered End Allowance. . . . . . . . . . . . . . . . . . . . . . . . .. 126 F-2 Charpy V-notch and Drop-weight Tear Test Specimen Locations ............ 127 Tables I Process of Manufacture and Product Specification Level (PSL) .............. 35 2A PSL I Chemical Requirements for heat and Product Analyses by Percentage of Weight ............................................. 36 2B PSL 2 Chemical Requirements for Heat and Product Analyses by Percentage of Weight ............................................. 36 3A Tensile Requirements for PSL I ....................................... 37 3B Tensile Requirements for PSL 2 ....................................... 37 4 Standard-wall Threaded line Pipe Dimensions, Weights, and Test Pressures (U.S. Customary and SI Units) ............................ 38 5 Heavy-wall Threaded Line Pipe Dimensions, Weights, and Test Pressures (U.S. Customary and SI Units) ............................ 39 6A Plain-end Line Pipe Dimensions, Weights per Unit Length, and Test Pressures for Sizes 0.405 through 1.900 (U.S. Customary Units) ......... 40 6B Plain-end Line Pipe Dimensions, Weights per Unit Length, and Test Pressures for Sizes 23/8 through 59/16 (U.S. Customary Units) ........... 41 6C Plain-end Line Pipe Dimensions, Weights per Unit Length, and Test Pressures for Sizes 65/8 through 80 (U.S. Customary Units) ............. 44 7 Tolemces for Diameter of Pipe Body. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 68 8 Tolerance for Diameter at Pipe Ends ................................... 68 9 Tolerances for Wall Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 68 10 Tolerances for Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 69 II Tolerances on Lengths ............................................... 69 12 Coupling Dimensions, Weights, and Tolerances .......................... 70 13 Maximum Inspection Lot Size for Tensile Testing ......................... 71 14 Relationship between Pipe Dimensions and Required Charpy Specimens ...... 71 14A Relationship between Pipe Dimensions and Transverse Tensile Specimens ..... 72 15 ASTM Hole-type IQI for F1uorscopic Inspection ......................... 72 16 ASTM Hole-type IQI for Radiographic Inspection ........................ 73 17 ISO Wire-type IQI for Fluroscopic Inspection ............................ 73 18 ISO Wire-type IQI for Radiographic Inspection .......................... 73 vii Page 19 ASTM Wire-type IQI for Fluoroscopic Inspection ........................ 74 20 ASTM Wire-type IQI for Radiographic Inspection ........................ 74 21 Elongated Slag-inclusion-type Discontinuities ........................... 74 22 Circular Slag-inclusion-type and Gas-pocket-type Discontinuities ............ 75 23 Acceptance Limits .................................................. 75 24 Pipe Weld Seam Nondestructive Inspection Methods ...................... 75 25 Pipe Body Nondestructive Inspection Methods-Seamless ................. 76 26 Reference Indicators ................................................ 76 27 Retention of Records. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 C-l Guided-bend Test Jig Dimensions ..................................... 87 D-I Elongation Table (U.S. Customary Units) ............................... 89 D-2 Elongation Table (SI Units) ........................................... 91 E-6A Plain-end Line Pipe Dimensions, Weights per Unit Length, and Test Pressures for Sizes 0.405 Through 1.900 (Sl Units) ................ 93 E-6B Plain-end Line Pipe Dimensions, Weights per Unit Lenght, and test Pressures for Sizes 23/8 through 59/16 (SI Units) ................... 94 E-6C Plain-end Line Pipe Dimensions, Weights per Unit Length, and Test Pressures for Sizes 65/8 through 80 (SI Units) ..................... 97 F-I Minimum Wall Thickness to Obtain Transverse Charpy V-notch Test Specimens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 127 F-2 Dimensions, Weights per Unit Length, and Test Pressures for TFL Pipe. . . . .. 128 F-3 Minimum All-heat Average Absorbed Energy Requirements for Stress FractorfofO.72 ............................................. 128 G-I Guided-bend Test Jig Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 131 104 viii