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Position: Chinese Standard in English/GB/T 31032-2014
GB/T 31032-2014   Welding and acceptance standard for steel pipings and pipelines (English Version)
Standard No.: GB/T 31032-2014 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 3400 words Price(USD):520.0 remind me the price change

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Implemented on:2015-6-1 Delivery: via email in 1 business day
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Standard No.: GB/T 31032-2014
English Name: Welding and acceptance standard for steel pipings and pipelines
Chinese Name: 钢质管道焊接及验收
Chinese Classification: P94    Metal equipment and process pipe installation engineering
Professional Classification: GB    National Standard
Issued by: AQSIQ; SAC
Issued on: 2014-12-05
Implemented on: 2015-6-1
Status: superseded
Superseded by:GB/T 31032-2023 Welding and acceptance standard for steel pipings and pipelines
Superseded on:2024-4-1
Language: English
File Format: PDF
Word Count: 3400 words
Price(USD): 520.0
Delivery: via email in 1 business day
1 Scope This standard covers the gas and arc welding of butt, fillet, and socket welds in carbon and low-alloy steel piping and fitting used in the transmission pipeline, piping, valve chamber and station of crude petroleum, petroleum products, fuel gases, carbon dioxide, nitrogen and, where applicable, covers welding on distribution systems. The welding may be done by a shielded metal-arc welding, submerged arc welding, gas tungsten-arc welding, gas metal-arc welding, flux-cored arc welding, plasma arc welding, oxyacetylene welding, or welding processor by a combination of these processes using a manual, semiautomatic, mechanized, or automatic welding technique or a combination of these techniques. The welds may be produced by position or roll welding or by a combination of position and roll welding. This standard also covers the procedures for radiographic, magnetic particle, liquid penetrant, and ultrasonic testing, as well as the acceptance standards to be applied to production welds tested to destruction or inspected by radiographic, magnetic particle, liquid penetrant, ultrasonic, and visual testing methods. This standard applies to both new construction, in-service and repair welding. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 229 Metallic Materials – Charpy Pendulum Impact Test Method (GB/T 229-2007, ISO 148-1:2006, MOD) GB/T 3091 Welded Steel Pipes for Low Pressure Liquid Delivery (GB/T 3091-2008, ISO 559:1991, NEQ) GB/T 4340 Metallic Materials - Vickers Hardness Test GB/T 5117 Covered Electrodes for Manual Metal Arc Welding of Non-alloy and Fine Grain Steels (GB/T 5117-2012, ISO2560:2009, MOD) GB/T 5118 Covered Electrodes for Manual Metal Arc Welding of Creep-resisting Steels (GB/T 5118-2012, ISO 3580:2010, MOD) GB/T 5293 Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (GB/T 5293-1999, ANSI/AWS A5.17:1989, EQV) GB/T 8110 Welding Electrodes and Rods for Gas Shielding Arc Welding of Carbon and Low Alloy Steel (GB/T 8110-2008, AWS A5.18M:2005, MOD) GB/T 9711 Petroleum and Natural Gas Industries – Steel Pipe for Pipeline Transportation Systems (GB/T 9711-2011.ISO 3183:2O07, MOD) GB/T 10045 Carbon Steel Flux Cored Electrodes for Arc Welding (GB/T 10045-2001, ANSI/AWS A5.20:1995, MOD) GB/T 12459 Steel Butt-welding Seamless Pipe Fittings (GB/T 12459-2005, ASME B16.9:2001, MOD) GB/T 12470 Low-alloy Steel Electrodes and Fluxes for Submerged Arc Welding GB/T 13793 Steel Pipes with a Longitudinal Electric (Resistance) Weld (GB/T 13793-2008, ASTM A 53/A 53M:2005 JIS G 3444:2004, MOD) GB/T 14957 Steel Wires for Melt Welding GB/T 17493 Low Alloy Steel Flux Cored Electrodes for Arc Welding (GB/T 17493-2008, AWS A5.29M:2005, MOD) SY/T 0510 Code for Steel Butt Welding Fittings SY/T 4109 Nondestructive Testing of Oil and Gas Steel Pipeline(SY/T 4109-2005, API Std 1104:1999, NEQ) SY/T 5037 Submerged Arc-welded Steel Pipe for Common Fluid Service Pipeline SY/T 5038 Longitudinal High-frequency-welded Steel Pipe for Common Fluid Service Pipeline SY/T 5257 Induced Heating Steel Bend for Oil and Gas Transmission (SY/T 5257-2012, ISO 15590.1:2001, NEQ) JB/T 7902 Non-Destructive Testing – Image Quality Indicators (Wire Type) for Radiographic Testing (JB/T 7902-2006, ISO 19232-1:2004, NEQ) TSG Z6002:2010 Examination Rules for Welding Operators of Special Equipment, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China API RP 2201 Safe Hot Tapping Practices in the Petroleum & Petrochemical Industries ASTM E92 Standard Test Method for Vickers Hardness of Metallic Materials AWS A5.1 Covered Carbon Steel Arc Welding Electrodes AWS A5.2 Iron And Steel Oxyfuel Gas Welding Rods AWS A5.5 Low Alloy Steel Covered Arc Welding Electrodes AWS A5.17 Carbon Steel Electrodes and Fluxes for Submerged-Arc Welding AWS A5.18 Carbon Steel Filler Metals for Gas Shielded Arc Welding AWS A5.28 Low-Alloy Steel Filler Metals for Gas Shielded Arc Welding AWS A5.29 Low-Alloy Steel Electrodes for Flux Cored Arc Welding BS 7448 (BS 7448 Pt 2) Fracture Mechanics Toughness Test – Part 2, Method for Determination of K1C Critical CTOD and Critical J Values of Welds in Metallic Materials) BS 7910 Guide to Methods for Assessing the Acceptability of Flaws in Metallic Structures NACE MR0175 Sulfide Stress Cracking Resistant Metallic Materials for Oil Field Equipment Assessment, Supervision and Administration Rules for Non-destructive Testing Personnel of Special Equipment, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 company The owner company or the engineering agency in charge of construction. The company may act through an entrusted or authorized agency or representative. 3.2 contractor Includes the primary contractor and any subcontractors engaged in work covered by this standard. 3.3 mechanized welding A process where parameters and torch guidance are controlled mechanically or electronically but may be manually varied during welding to maintain the specified welding conditions. 3.4 semiautomatic welding Arc welding with equipment that controls only the filler-metal feed. The advance of the welding torch is manually controlled. 3.5 root bead The first or stringer bead that initially joins two sections of pipe, a section of pipe to a fitting, or two fittings. 3.6 hot pass The second bead that is done immediately after the root bead is completed.
Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 General Specifications for Welding 4.1 Equipment 4.2 Materials 5 Qualification of Welding Procedures 5.1 Procedure Qualification 5.2 Record 5.3 Procedure Specification 5.4 Essential Variables of Welding Procedure Specification 5.5 Welding of Test Pipe Joints – Butt Welds 5.6 Testing of Welded Joints – Butt Welds 5.7 Welding of Test Pipe Joints – Fillet Welds 5.8 Testing of Welded Joints – Fillet Welds 6 Qualification of Welders 6.1 General 6.2 Qualification Test 6.3 Test for Practice 6.4 Single Qualification 6.5 Multiple Qualification 6.6 Visual Examination of Test Welded Junction 6.7 Destructive Testing 6.8 Radiographic Testing - For Butt Welding Only 6.9 Retesting 6.10 Records 7 Design and Preparation of Welded Joint for Construction Site 7.1 General 7.2 Assembly of Pipe Ends 7.3 Use of Lineup Clamp for Butt Welds 7.4 Bevel 7.5 Weather Conditions 7.6 Clearance 7.7 Cleaning between Beads 7.8 Position Welding 7.9 Roll Welding 7.10 Identification of Welded Junction 7.11 Pre- and Post-weld Heat Treatment 8 Weld Inspection and Personnel Qualification 8.1 Inspection Items 8.2 Methods of Inspection 8.3 Qualification Authorization of Testing Personnel 8.4 Qualification of Nondestructive Testing Personnel 9 Acceptance Standard for Nondestructive Testing 9.1 General 9.2 Rights of Rejection 9.3 Radiographic Testing 9.4 Magnetic Particle Testing 9.5 Penetrant Testing 9.6 Ultrasonic Testing 9.7 Visual Acceptance Standards for Undercutting 10 Removal and Repair of Defects 10.1 Authorization for Repair 10.2 Repair Procedure 10.3 Acceptance Standards 10.4 Supervision 10.5 Welder 11 Nondestructive Testing 11.1 Radiographic testing method 11.2 Magnetic Particle Testing Method 11.3 Penetrant Testing Method 11.4 Ultrasonic Testing Method 12 Mechanized Welding with Filler Metal Additions 12.1 Applicable Welding Method 12.2 Welding Procedure Qualification 12.3 Record 12.4 Welding Procedure Specification 12.5 Change of Welding Procedure Specification 12.6 Qualification of Welding Equipment and Operators 12.7 Records of Qualified Mechanized Welding Operators 12.8 Inspection and Testing of Field Weld 12.9 Acceptance Standard for Nondestructive Testing 12.10 Repair and Removal of Defects 12.11 Radiographic Testing 12.12 Ultrasonic Testing Appendix A (Informative) Structural Changes of This Standard Compared with API Std 1104:2010 Appendix B (Informative) Technical Differences of This Standard from API Std 1104:2010 and Their Reasons Appendix C (Normative) Alternative Acceptance Standards for Girth Welds Appendix D (Normative) In-Service Welding Appendix E (Informative) Welder Test Record Bibliography
Referred in GB/T 31032-2014:
* GB/T 229-2007 Metallic Materials - Charpy Pendulum Impact Test Method
* GB/T 3091-2015 Welded steel pipes for low pressure liquid delivery
* GB/T 4340-1984
* GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels
* GB/T 5118-2012 Covered electrodes for manual metal arc welding of creep-resisting steels
* GB/T 5293-1999 Carbon steel electrodes and fluxs for submerged arc welding
* GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel
* GB/T 9711-2011 Petroleum and natural gas industries—Steel pipe for pipeline transportation systems
* GB/T 10045-2001 Carbon steel flux cored electrodes for arc welding
* GB/T 12459-2005 Steel Butt-Welding Seamless Pipe Fittings
* GB/T 12470-2003 Low-alloy steel electrodes and fluxes for submerged arc welding
* GB/T 13793-2008 Steel Pipes with a Longitudinal Electric (Resistance) Weld
* GB/T 14957-1994 Steel wires for melt welding
* GB/T 17493-2008 Low alloy steel flux cored electrodes for arc welding
* SY/T 0510-2010 Code for steel butt-welding fittings
* SY/T 4109-2013 Nondestructive Testing Standard of Oil and Gas Steel Pipeline
* SY/T 5037-2012 Submerged Arc-Welded Steel Pipe for Common Fluid Service Pipeline
* SY/T 5038-2012 Longitudinal Seam HFW Steel Pipe for Common Fluid Service Pipeline
* SY/T 5257-2012 Heating Steel Bend for Oil and Gas Transmission
* JB/T 7902-2015
* TSG Z6002-2010 Examination Rules for Welding Operators of Special Equipment
GB/T 31032-2014 is referred in:
*GB/T 20801.2-2020 Pressure piping code - Industrial piping - Part 2: Materials
Code of China
Standard
GB/T 31032-2014  Welding and acceptance standard for steel pipings and pipelines (English Version)
Standard No.GB/T 31032-2014
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count3400 words
Price(USD)520.0
Implemented on2015-6-1
Deliveryvia email in 1 business day
Detail of GB/T 31032-2014
Standard No.
GB/T 31032-2014
English Name
Welding and acceptance standard for steel pipings and pipelines
Chinese Name
钢质管道焊接及验收
Chinese Classification
P94
Professional Classification
GB
ICS Classification
Issued by
AQSIQ; SAC
Issued on
2014-12-05
Implemented on
2015-6-1
Status
superseded
Superseded by
GB/T 31032-2023 Welding and acceptance standard for steel pipings and pipelines
Superseded on
2024-4-1
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
3400 words
Price(USD)
520.0
Keywords
GB/T 31032-2014, GB 31032-2014, GBT 31032-2014, GB/T31032-2014, GB/T 31032, GB/T31032, GB31032-2014, GB 31032, GB31032, GBT31032-2014, GBT 31032, GBT31032
Introduction of GB/T 31032-2014
1 Scope This standard covers the gas and arc welding of butt, fillet, and socket welds in carbon and low-alloy steel piping and fitting used in the transmission pipeline, piping, valve chamber and station of crude petroleum, petroleum products, fuel gases, carbon dioxide, nitrogen and, where applicable, covers welding on distribution systems. The welding may be done by a shielded metal-arc welding, submerged arc welding, gas tungsten-arc welding, gas metal-arc welding, flux-cored arc welding, plasma arc welding, oxyacetylene welding, or welding processor by a combination of these processes using a manual, semiautomatic, mechanized, or automatic welding technique or a combination of these techniques. The welds may be produced by position or roll welding or by a combination of position and roll welding. This standard also covers the procedures for radiographic, magnetic particle, liquid penetrant, and ultrasonic testing, as well as the acceptance standards to be applied to production welds tested to destruction or inspected by radiographic, magnetic particle, liquid penetrant, ultrasonic, and visual testing methods. This standard applies to both new construction, in-service and repair welding. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 229 Metallic Materials – Charpy Pendulum Impact Test Method (GB/T 229-2007, ISO 148-1:2006, MOD) GB/T 3091 Welded Steel Pipes for Low Pressure Liquid Delivery (GB/T 3091-2008, ISO 559:1991, NEQ) GB/T 4340 Metallic Materials - Vickers Hardness Test GB/T 5117 Covered Electrodes for Manual Metal Arc Welding of Non-alloy and Fine Grain Steels (GB/T 5117-2012, ISO2560:2009, MOD) GB/T 5118 Covered Electrodes for Manual Metal Arc Welding of Creep-resisting Steels (GB/T 5118-2012, ISO 3580:2010, MOD) GB/T 5293 Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (GB/T 5293-1999, ANSI/AWS A5.17:1989, EQV) GB/T 8110 Welding Electrodes and Rods for Gas Shielding Arc Welding of Carbon and Low Alloy Steel (GB/T 8110-2008, AWS A5.18M:2005, MOD) GB/T 9711 Petroleum and Natural Gas Industries – Steel Pipe for Pipeline Transportation Systems (GB/T 9711-2011.ISO 3183:2O07, MOD) GB/T 10045 Carbon Steel Flux Cored Electrodes for Arc Welding (GB/T 10045-2001, ANSI/AWS A5.20:1995, MOD) GB/T 12459 Steel Butt-welding Seamless Pipe Fittings (GB/T 12459-2005, ASME B16.9:2001, MOD) GB/T 12470 Low-alloy Steel Electrodes and Fluxes for Submerged Arc Welding GB/T 13793 Steel Pipes with a Longitudinal Electric (Resistance) Weld (GB/T 13793-2008, ASTM A 53/A 53M:2005 JIS G 3444:2004, MOD) GB/T 14957 Steel Wires for Melt Welding GB/T 17493 Low Alloy Steel Flux Cored Electrodes for Arc Welding (GB/T 17493-2008, AWS A5.29M:2005, MOD) SY/T 0510 Code for Steel Butt Welding Fittings SY/T 4109 Nondestructive Testing of Oil and Gas Steel Pipeline(SY/T 4109-2005, API Std 1104:1999, NEQ) SY/T 5037 Submerged Arc-welded Steel Pipe for Common Fluid Service Pipeline SY/T 5038 Longitudinal High-frequency-welded Steel Pipe for Common Fluid Service Pipeline SY/T 5257 Induced Heating Steel Bend for Oil and Gas Transmission (SY/T 5257-2012, ISO 15590.1:2001, NEQ) JB/T 7902 Non-Destructive Testing – Image Quality Indicators (Wire Type) for Radiographic Testing (JB/T 7902-2006, ISO 19232-1:2004, NEQ) TSG Z6002:2010 Examination Rules for Welding Operators of Special Equipment, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China API RP 2201 Safe Hot Tapping Practices in the Petroleum & Petrochemical Industries ASTM E92 Standard Test Method for Vickers Hardness of Metallic Materials AWS A5.1 Covered Carbon Steel Arc Welding Electrodes AWS A5.2 Iron And Steel Oxyfuel Gas Welding Rods AWS A5.5 Low Alloy Steel Covered Arc Welding Electrodes AWS A5.17 Carbon Steel Electrodes and Fluxes for Submerged-Arc Welding AWS A5.18 Carbon Steel Filler Metals for Gas Shielded Arc Welding AWS A5.28 Low-Alloy Steel Filler Metals for Gas Shielded Arc Welding AWS A5.29 Low-Alloy Steel Electrodes for Flux Cored Arc Welding BS 7448 (BS 7448 Pt 2) Fracture Mechanics Toughness Test – Part 2, Method for Determination of K1C Critical CTOD and Critical J Values of Welds in Metallic Materials) BS 7910 Guide to Methods for Assessing the Acceptability of Flaws in Metallic Structures NACE MR0175 Sulfide Stress Cracking Resistant Metallic Materials for Oil Field Equipment Assessment, Supervision and Administration Rules for Non-destructive Testing Personnel of Special Equipment, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China 3 Terms and Definitions For the purposes of this document, the following terms and definitions apply. 3.1 company The owner company or the engineering agency in charge of construction. The company may act through an entrusted or authorized agency or representative. 3.2 contractor Includes the primary contractor and any subcontractors engaged in work covered by this standard. 3.3 mechanized welding A process where parameters and torch guidance are controlled mechanically or electronically but may be manually varied during welding to maintain the specified welding conditions. 3.4 semiautomatic welding Arc welding with equipment that controls only the filler-metal feed. The advance of the welding torch is manually controlled. 3.5 root bead The first or stringer bead that initially joins two sections of pipe, a section of pipe to a fitting, or two fittings. 3.6 hot pass The second bead that is done immediately after the root bead is completed.
Contents of GB/T 31032-2014
Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 General Specifications for Welding 4.1 Equipment 4.2 Materials 5 Qualification of Welding Procedures 5.1 Procedure Qualification 5.2 Record 5.3 Procedure Specification 5.4 Essential Variables of Welding Procedure Specification 5.5 Welding of Test Pipe Joints – Butt Welds 5.6 Testing of Welded Joints – Butt Welds 5.7 Welding of Test Pipe Joints – Fillet Welds 5.8 Testing of Welded Joints – Fillet Welds 6 Qualification of Welders 6.1 General 6.2 Qualification Test 6.3 Test for Practice 6.4 Single Qualification 6.5 Multiple Qualification 6.6 Visual Examination of Test Welded Junction 6.7 Destructive Testing 6.8 Radiographic Testing - For Butt Welding Only 6.9 Retesting 6.10 Records 7 Design and Preparation of Welded Joint for Construction Site 7.1 General 7.2 Assembly of Pipe Ends 7.3 Use of Lineup Clamp for Butt Welds 7.4 Bevel 7.5 Weather Conditions 7.6 Clearance 7.7 Cleaning between Beads 7.8 Position Welding 7.9 Roll Welding 7.10 Identification of Welded Junction 7.11 Pre- and Post-weld Heat Treatment 8 Weld Inspection and Personnel Qualification 8.1 Inspection Items 8.2 Methods of Inspection 8.3 Qualification Authorization of Testing Personnel 8.4 Qualification of Nondestructive Testing Personnel 9 Acceptance Standard for Nondestructive Testing 9.1 General 9.2 Rights of Rejection 9.3 Radiographic Testing 9.4 Magnetic Particle Testing 9.5 Penetrant Testing 9.6 Ultrasonic Testing 9.7 Visual Acceptance Standards for Undercutting 10 Removal and Repair of Defects 10.1 Authorization for Repair 10.2 Repair Procedure 10.3 Acceptance Standards 10.4 Supervision 10.5 Welder 11 Nondestructive Testing 11.1 Radiographic testing method 11.2 Magnetic Particle Testing Method 11.3 Penetrant Testing Method 11.4 Ultrasonic Testing Method 12 Mechanized Welding with Filler Metal Additions 12.1 Applicable Welding Method 12.2 Welding Procedure Qualification 12.3 Record 12.4 Welding Procedure Specification 12.5 Change of Welding Procedure Specification 12.6 Qualification of Welding Equipment and Operators 12.7 Records of Qualified Mechanized Welding Operators 12.8 Inspection and Testing of Field Weld 12.9 Acceptance Standard for Nondestructive Testing 12.10 Repair and Removal of Defects 12.11 Radiographic Testing 12.12 Ultrasonic Testing Appendix A (Informative) Structural Changes of This Standard Compared with API Std 1104:2010 Appendix B (Informative) Technical Differences of This Standard from API Std 1104:2010 and Their Reasons Appendix C (Normative) Alternative Acceptance Standards for Girth Welds Appendix D (Normative) In-Service Welding Appendix E (Informative) Welder Test Record Bibliography
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Keywords:
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