1、Casing and TubingAPI SPECIFICATION 5CTTENTH EDITION, JUNE 2018API MONOGRAM PROGRAM EFFECTIVE DATE: JULY 1, 2019Special NotesAPI publications necessarily address problems of a general nature. With respect to particular circumstances, local,state, and federal laws and regulations should be reviewed.Ne
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7、ials in conformance with the marking requirements of an API standardis solely responsible for complying with all the applicable requirements of that standard. API does not represent,warrant, or guarantee that such products do in fact conform to the applicable API standard.All rights reserved. No par
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9、DC 20005.Copyright 2018 American Petroleum InstituteForewordNothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for themanufacture, sale, or use of any method, apparatus, or product covered by letters patent. Neither should anythingcontaine
10、d in the publication be construed as insuring anyone against liability for infringement of letters patent.The verbal forms used to express the provisions in this specification are as follows: the term “shall” denotes a minimum requirement in order to conform to the standard; the term “should” denote
11、s a recommendation or that which is advised but not required in order to conform to thestandard; the term “may” is used to express permission or a provision that is optional; the term “can” is used to express possibility or capability.Informative elementsAs used in a standard, “informative” denotes
12、elements that identify the document, introduce itscontent, and explain its background, development, and its relationship with other documents or provide additionalinformation intended to assist the understanding or use of the document.Normative elementsAs used in a standard, “normative” denotes elem
13、ents that describe the scope of the documentand that set out provisions that are required to implement the standard.This document was produced under API standardization procedures that ensure appropriate notification andparticipation in the developmental process and is designated as an API standard.
14、 Questions concerning theinterpretation of the content of this publication or comments and questions concerning the procedures under whichthis publication was developed should be directed in writing to the Director of Standards, American PetroleumInstitute, 1220 L Street, NW, Washington, DC 20005. R
15、equests for permission to reproduce or translate all or any partof the material published herein should also be addressed to the Director.Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every 5 years. A one-timeextension of up to 2 years may be added to this revi
16、ew cycle. Status of the publication can be ascertained from theAPI Standards Department, telephone (202) 682-8000. A catalog of API publications and materials is publishedannually by API, 1220 L Street, NW, Washington, DC 20005.Suggested revisions are invited and should be submitted to the Standards
17、 Department, API, 1220 L Street, NW,Washington, DC 20005, standardsapi.org.iiiContents Page iv 1 Scope . 1 1.1 Coverage 1 1.2 ApplicabilityConnections 1 1.3 ApplicabilityGrades 1 1.4 Supplementary Requirements 2 1.5 Application of the API Monogram 2 2 Normative References . 2 3 Terms, Definitions, S
18、ymbols, and Abbreviations 4 3.1 Terms and Definitions 4 3.2 Symbols . 8 3.3 Abbreviations 9 4 Conformance . 9 4.1 References to Annexes 9 4.2 Extended Scope 10 4.3 Dual Referencing 10 4.4 Units of Measurement 10 5 Information to be Supplied by the Purchaser 11 5.1 Grades C90, T95, and C110 . 11 5.2
19、Casing 11 5.3 Tubing 14 5.4 Coupling Stock, Coupling Material, and Accessory Material . 16 6 Process of Manufacture. 18 6.1 General . 18 6.2 Heat Treatment 18 6.3 Straightening . 19 6.4 Traceability 20 6.5 Processes Requiring Validation . 20 7 Material Requirements . 21 7.1 Chemical Composition 21 7
20、.2 Tensile Properties 21 7.3 Charpy V-notch TestGeneral Requirements . 22 7.4 Charpy V-notchAbsorbed Energy Requirements for Coupling Stock, Coupling Material, Coupling Blanks, and Couplings . 23 Contents Page v 7.5 Charpy V-notch-Absorbed Energy Requirements for Pipe 24 7.6 Charpy V-notchAbsorbed E
21、nergy Requirements for Accessory Material 26 7.7 Maximum Hardness . 27 7.8 Hardness VariationGrades C90, T95, C110, and Q125 . 28 7.9 Process ControlGrades C90, T95, C110, and Q125 28 7.10 HardenabilityMinimum Percentage Martensite for Quenched and Tempered Products 28 7.11 Grain SizeGrades C90, T95
22、, and C110 . 29 7.12 Surface ConditionGrades L80 9Cr and L80 13Cr . 29 7.13 FlatteningElectric-welded Pipe . 29 7.14 Sulfide Stress Cracking Test-Grades C90, T95, and C110 29 8 Dimensions, Masses, Tolerances, Product Ends, and Defects . 32 8.1 Labels and Sizes . 32 8.2 Dimensions and Masses 32 8.3 D
23、iameter . 33 8.4 Wall Thickness 33 8.5 Mass 34 8.6 Length . 34 8.7 Casing Jointers . 34 8.8 Height and Trim of Electric-weld Flash 34 8.9 Straightness 35 8.10 Drift Requirements 35 8.11 Tolerances on Dimensions and Masses 36 8.12 Product Ends . 37 8.13 Defects 38 8.14 Coupling Make-up and Thread Pro
24、tection 39 9 Couplings . 40 9.1 General Requirements . 40 9.2 Alternative Grades or Heat Treatments . 40 9.3 Mechanical Properties 41 9.4 Dimensions and Tolerances 41 9.5 Regular Couplings 41 9.6 Special Clearance CouplingsAll Grades Except Q125 41 9.7 Combination Couplings . 41 9.8 Seal-ring Coupli
25、ngs 41 Contents Page vi 9.9 Special-bevel Tubing Regular CouplingsAll Grades Except C110 and Q125 . 42 9.10 Threading . 42 9.11 Surface Inspection 42 9.12 Measurement of Imperfections . 43 9.13 Repair and Removal of Imperfections and Defects . 43 9.14 Thread Surface TreatmentGrade Q125 43 9.15 Coupl
26、ings and Coupling Blank ProtectionGrades C90, T95, C110, and Q125 . 43 10 Inspection and Testing . 44 10.1 Test Equipment . 44 10.2 Lot Definition for Testing of Mechanical Properties 44 10.3 Testing of Chemical Composition 44 10.4 Tensile Tests . 45 10.5 Flattening Test . 48 10.6 Hardness Test . 49
27、 10.7 Impact Test 56 10.8 Grain Size DeterminationGrades C90, T95, and C110 . 57 10.9 HardenabilityGrades C90, T95, and C110 57 10.10 Sulfide Stress-cracking TestGrades C90, T95, and C110 57 10.11 Metallographic EvaluationEW Grades P110 and Q125 58 10.12 Hydrostatic Tests 58 10.13 Dimensional Testin
28、g . 60 10.14 Visual Inspection 63 10.15 Non-destructive Examination (NDE) 64 11 Marking . 72 11.1 General . 72 11.2 Stamp Marking Requirements 74 11.3 Stencil Marking Requirements 75 11.4 Color Identification . 75 11.5 Thread and End-finish Marking 76 11.6 Pipe-threader Marking Requirements 76 12 Co
29、ating and Protection 77 12.1 Coatings . 77 12.2 Thread Protectors . 78 Contents Page vii 13 Documents . 78 13.1 Electronic Media . 78 13.2 Certification Requirements 78 13.3 Certification Content 78 13.4 Retention of Records . 80 14 Minimum Facility Requirements for Various Categories of Manufacture
30、r . 80 14.1 Pipe Mill 80 14.2 Processor . 80 14.3 Pipe Threader 80 14.4 Coupling, Pup joint, or Accessory Manufacturer . 81 Annex A (informative) API Monogram Program Use of the API Monogram by Licensees 82 Annex B (normative) Purchaser Inspection . 86 Annex C (normative) Tables in SI Units 87 Annex
31、 D (normative) Figures in SI (USC) Units . 151 Annex E (normative) Tables in USC Units 180 Annex F (informative) Additional Information for API Monogram Licensees . 245 Annex G (informative) Procedures Used to Convert from USC to SI Units . 246 Annex H (normative) Product Specification Levels 259 An
32、nex I (normative) Requirements for Thread Protector Design Validation . 267 Annex J (informative) Summary of Product Specification Level (PSL) Requirements 271 Annex K (informative) Supplementary Requirements 278 Bibliography 292 Tables 1 Purchaser Supplied Information (Casing) 11 2 Purchaser Suppli
33、ed Agreement Optional Requirements (Casing) . 12 3 Purchaser/Manufacturer Agreement (Casing) . 13 4 Purchaser Supplied Information (Tubing) 14 5 Purchaser Supplied Agreement Optional Requirements (Tubing) . 15 6 Purchaser/Manufacturer Agreement (Tubing) . 16 7 Purchaser Supplied Information (Couplin
34、g Stock and Material and Accessory Material) 17 8 Purchaser Supplied Agreement Optional Requirements (Coupling Stock and Material, and Accessory Material) . 17 9 Full-size Test Specimen Minimum Absorbed Energy Requirements (threads for grades N80 all types, R95, L80 all types, C90, T95, P110, and Q1
35、25) . 24 Contents Page viii 10 Full-size Test Specimen Minimum Absorbed Energy Requirements (pipe for grades N80 all types, R95, L80, C90, T95, and P110) . 25 11 Full-size Test Specimen Minimum Absorbed Energy Requirements (pipe for grades C110 and Q125) 26 12 Electric-weld Flash Height and Trim (al
36、l grades except P110 and Q125) 35 13 Dimension Tolerances (pipe OD) . 36 14 Dimension Tolerances (upset integral tubing) 36 15 Dimension Tolerances (external upset tubing 2 3/8) 36 16 Standard Mass Tolerances . 37 17 Stamp Marking . 74 C.1 API Casing List (sizes, masses, wall thickness, grade, and a
37、pplicable end-finish) . 87 C.2 API Tubing List (sizes, masses, wall thickness, grade, and applicable end-finish) 90 C.3 Process of Manufacture and Heat Treatment 91 C.4 Chemical Composition, Mass Fraction (%) 92 C.5 Tensile and Hardness Requirements . 93 C.6 Elongation Table 94 C.7 Critical Thicknes
38、s for Couplings with API Threads 96 C.8 Acceptable Size Impact Specimens and Absorbed Energy Reduction Factor 97 C.9 Hierarchy of Test Specimen Orientation and Size . 97 C.10 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Mat
39、erial for Grades J55 and K55 . 98 C.11 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grade L80 (All Types) . 99 C.12 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Cou
40、pling Blanks, and Accessory Material for Grade C90 . 100 C.13 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grades N80 all types, R95, and T95 . 101 C.14 Charpy Impact Test Specimen Requirements for Couplings, C
41、oupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grade P110 . 102 C.15 Charpy Impact Test Specimen Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material for Grade Q125 . 103 C.16 Transverse Charpy Absorbed Energy Requireme
42、nts for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material 104 C.17 Longitudinal Charpy Absorbed Energy Requirements for Couplings, Coupling Stock, Coupling Material, Coupling Blanks, and Accessory Material 105 C.18 Transverse Charpy Absorbed Energy Requirements fo
43、r Pipe . 106 C.19 Longitudinal Charpy Absorbed Energy Requirements for Pipe . 107 Contents Page ix C.20 Transverse Impact Specimen Size Required for Quenched and Tempered Product 108 C.21 Longitudinal Impact Specimen Size Required for Quenched and Tempered Product . 109 C.22 Distance between Plates
44、for Electric-weld Flattening Tests . 110 C.23 Dimensions and Masses for Standard Casing and for Casing Threaded with API Round Thread and Buttress Thread 111 C.24 Dimensions and Masses for Standard Tubing and for Tubing Threaded with API Non-upset, External Upset, and Integral Tubing Connections 116
45、 C.25 External Upset Tubing Dimensions for API Connections for Grades H40, J55, L80 (All Types), R95, N80 (All Types), C90, T95, and P110 119 C.26 Integral Tubing Connection Dimensions for API Connections for Grades H40, J55, L80 (All Types), R95, N80 (All Types), C90, and T95 120 C.27 Range Lengths
46、 . 121 C.28 Standard Drift Size 121 C.29 Alternative Drift Size 122 C.30 Maximum Permissible Depth of Linear Imperfections . 122 C.31 Upset ProductsMaximum Permissible Depth of Imperfections 123 C.32 API Round-thread Casing CouplingDimensions, Tolerances, and Masses 124 C.33 API Buttress Thread Casi
47、ng CouplingDimensions, Tolerances, and Masses 125 C.34 API Non-upset Tubing CouplingDimensions, Tolerances, and Masses 126 C.35 API External-upset Tubing CouplingDimensions, Tolerances, and Masses . 127 C.36 Permissible Depth of External Imperfections on Coupling . 127 C.37 Frequency of Tensile Test
48、sCasing and Tubing . 128 C.38 Frequency of Tensile TestsCoupling Stock, Coupling Material, and Coupling Blanks . 129 C.39 Frequency of Tensile TestingPup Joints and Accessory Material . 130 C.40 Frequency of Hardness Testing 131 C.41 Frequency of Flattening Tests . 133 C.42 Summary of NDE Methods fo
49、r Seamless Pipe, Coupling Stock, Body of Welded Pipe, and Accessory Material (in accordance with 10.15.11) 134 C.43 Acceptance (Inspection) Levels 135 C.44 Artificial Reference Indicators . 136 C.45 Size of Stamp Markings 136 C.47 Thread Type Markings . 137 C.46 Grade Color Codes 137 C.48 Marking Requirements and Sequence 138 C.49 Retention of Records 142 C.50 SR 11.1Distance between Plates for Flattening Tests 142 Contents Page x C.52 SR 12.2Probability of Defective Product . 143 C.51
