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GB/T 42858-2023Corrosion-resistant alloy coiled tubing (English PDF)

耐蚀合金连续油管

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 6, 2023

Implementation date

December 1, 2023

Scope

GB/T 42858-2023 is the English-translated version of 耐蚀合金连续油管.

GB/T 42858-2023 is the Chinese standard "Corrosion-resistant alloy coiled tubing". Its scope clause reads: This document specifies the ordering, materials, manufacturing, inspection testing, marking, etc. of corrosion-resistant alloy coiled tubing.

This document applies to the manufacturing and inspection of corrosion-resistant alloy coiled tubing (hereinafter referred to as "tubing") for oil and gas wells.

Steel grades of oil pipes in this document Including CT55-CRA, CT60-CRA, CT70-CRA, CT80-CRA, CT90-CRA, CT100-CRA and CT110-CRA. oil pipe The outer diameter size range is 25.4mm~88.9mm.

Note. The types of corrosion-resistant alloy materials in this document include martensitic or martensitic/ferritic stainless steel, ferritic-austenitic stainless steel, and iron with austenitic structure.

Base corrosion resistant alloy and nickel base corrosion resistant alloy with austenitic structure. Its clauses include normative reference documents.

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Document preview — GB/T 42858-2023

National Standard of the People's Republic of China

ICS: 75.180.10
Classification: E 92

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative reference documents
3 Terms and Definitions
4 Information provided by the buyer
4.1 Purchaser’s requirements
4.2 Buyer selectivity and negotiability requirements
5 Manufacturing process
5.1 General
5.2 Types of welds and welding processes
5.3 Heat treatment
5.4 Traceability
5.5 Workmanship Quality and Defects
5.6 Pipe end processing
5.7 Pipe butt welding
6 Material requirements
6.1 Chemical composition
6.2 Mechanical properties
6.3 Corrosion resistance
7 Dimensions, length and quality
7.1 General requirements
7.2 Length
7.3 Outer diameter
7.4 Wall thickness
7.5 Mass per unit length
8 Inspection and Testing
8.1 Test equipment
8.2 Chemical analysis
8.3 Mechanical property test
8.4 Metallographic examination
8.5 Hydrostatic pressure test
8.6 Diameter test
8.7 Intergranular corrosion test
8.8 Other corrosion performance tests
9 Non-destructive testing
9.1 General
9.2 Comparative standards
9.3 Personnel qualifications
9.4 Testing standards
9.5 Non-destructive testing methods
9.6 Radiographic inspection methods for strip butt welds and pipe butt girth welds
9.7 Other non-destructive testing methods of welds
9.8 Ultrasonic and electromagnetic testing of longitudinal welds
9.9 Magnetic particle and liquid penetrant testing
9.10 Treatment of defects and defects
10 invalid test
10.1 Defective tensile test specimens
10.2 Defective mechanical test specimens
11 Retest
11.1 Retest of chemical composition
11.2 Tensile test retest
11.3 Retest of flattening test
11.4 Retest of expansion test
11.5 Hardness test retest
11.6 Retest of fracture toughness test
12 Mark
12.1 Requirement
12.2 Marking order
12.3 Length
13 Protection
14 Document
14.1 General requirements
14.2 Certificate
14.3 Volume (disk) files
14.4 Record Keeping
Appendix A (Normative) Table
Appendix B (normative) pipe butt welding requirements
Appendix C (normative) Specification for welding process of strip butt ends and pipe butt ends
Appendix D (normative) Supplementary requirements for non-destructive testing
Appendix E (Normative) Purchaser Inspection Requirements

1 Scope

This document specifies the ordering, materials, manufacturing, inspection testing, marking, etc. of corrosion-resistant alloy coiled tubing.

This document applies to the manufacturing and inspection of corrosion-resistant alloy coiled tubing (hereinafter referred to as "tubing") for oil and gas wells. Steel grades of oil pipes in this document

Including CT55-CRA, CT60-CRA, CT70-CRA, CT80-CRA, CT90-CRA, CT100-CRA and CT110-CRA. oil pipe

The outer diameter size range is 25.4mm~88.9mm.

Base corrosion resistant alloy and nickel base corrosion resistant alloy with austenitic structure.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations

For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 228.1 Tensile testing of metallic materials Part 1.Room temperature test method

GB/T 229 Charpy pendulum impact test method for metal materials

GB/T 230.1 Rockwell hardness test of metallic materials Part 1.Test methods

GB/T 242 Metal pipe expansion test method

GB/T 4157-2017 Laboratory test methods for resistance to sulfide stress cracking and stress corrosion cracking of metals in hydrogen sulfide environments

GB/T 4334-2020 Corrosion of metals and alloys Austenitic and ferritic-austenitic (duplex) stainless steel intergranular corrosion test method

GB/T 4340.1 Vickers hardness test of metallic materials Part 1.Test methods

GB/T 7735 Automatic eddy current detection of defects in seamless and welded (except submerged arc welding) steel pipes

GB/T 9445 Qualification and certification of non-destructive testing personnel

GB/T 12606 Full-circumference automatic magnetic flux leakage detection of longitudinal and/or transverse defects in seamless and welded (except submerged arc welding) ferromagnetic steel pipes

GB/T 13298 Metal microstructure examination methods

GB/T 15007 Corrosion-resistant alloy grades

GB/T 15260-2016 Corrosion of metals and alloys Nickel alloy intergranular corrosion test method

GB/T 15822.1 Non-destructive testing and magnetic particle testing Part 1.General principles

GB/T 18590 Corrosion pitting assessment method for metals and alloys

GB/T 18851.1 Non-destructive testing and penetrant testing Part 1.General principles

GB/T 19803 Principles and identification of radiographic image quality testers for non-destructive testing

GB/T 20066 Methods for sampling and preparation of samples for determination of chemical composition of steel and iron

GB/T 20878 Stainless steel and heat-resistant steel grades and chemical compositions

GB/T 23802 Technical delivery conditions for corrosion-resistant alloy seamless pipes for casing, tubing and coupling blanks in the oil and gas industry

GB/T 23901.1 Non-destructive testing of radiographic image quality Part 1.Determination of image quality value of wire-type image quality meter

GB/T 23901.2 Non-destructive testing of radiographic image quality Part 2.Determination of image quality value of stepped hole type image quality meter

GB/T 26951 Non-destructive testing of welds and magnetic particle testing […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 43 pages — is available in the English PDF.

Referenced standards

Normative references

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