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GB/T 39279-2020: Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels
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Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels
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GB/T 39279-2020
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Basic data | Standard ID | GB/T 39279-2020 (GB/T39279-2020) | | Description (Translated English) | Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J33 | | Classification of International Standard | 25.160.20 | | Word Count Estimation | 17,161 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-06-01 | | Quoted Standard | GB/T 2652; GB/T 3323.1; GB/T 18591; GB/T 25774.1; GB/T 25775; GB/T 25778; GB/T 37910.1-2019; GB/T 39255-2020 | | Adopted Standard | ISO 21952-2012, MOD | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the types, technical requirements, test methods, re-inspection and technical supply conditions of the heat-strength steel solid welding wire and filler wire for gas shielded arc welding. This standard applies to hot-strength steel solid welding wires and filler wires (hereinafter referred to as "welding wires") for MIG and TIG welding. | GB/T 39279-2020: Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels
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(Heat-strength steel solid wire for gas shielded arc welding)
ICS 25.160.20
J33
National Standards of People's Republic of China
Heat-strength steel solid wire for gas shielded arc welding
2020-11-19 released
2021-06-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Model 1
4 Technical requirements 2
5 Test method 8
6 Reinspection 10
7 Technical supply conditions 10
Appendix A (informative appendix) Structural changes of this standard compared with ISO 21952.2012 11
Appendix B (Informative Appendix) The technical differences between this standard and ISO 21952.2012 and the reasons 12
Appendix C (Informative Appendix) Welding Wire Model Comparison 13
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the redrafting method to amend and adopt ISO 21952.2012 "Welding Materials Classification for Hot Steel Gas Shielded Arc Welding Wire and Deposited Metal".
Compared with ISO 21952.2012, this standard has many adjustments in structure. Appendix A lists this standard and ISO 21952.2012
A list of changes in chapter numbers.
Compared with ISO 21952.2012, this standard has technical differences. Appendix B gives a list of corresponding technical differences and their reasons.
This standard also made the following editorial changes.
--- Modify the standard name to "Heat Strength Steel Solid Wire for Gas Shielded Arc Welding";
---Added Appendix C (informative appendix) welding wire model comparison.
This standard was proposed and managed by the National Welding Standardization Technical Committee (SAC/TC55).
Drafting organizations of this standard. Harbin Welding Research Institute Co., Ltd., Kunshan Jingqun Welding Materials Technology Co., Ltd., Shanghai Welding Equipment Co., Ltd.
Company, Tianjin Jinqiao Welding Materials Group Co., Ltd., Shanghai Atlantic Welding Materials Co., Ltd., Tianjin Bridge Welding Materials Group Co., Ltd.
Company, Shandong Suolide Welding Materials Co., Ltd., China Petroleum and Natural Gas Pipeline Research Institute Co., Ltd., Xiamen Yinduli Industry Co., Ltd.
Division, Foshan Yingli Auto Parts Co., Ltd., Foshan Jinshengchi Hardware Products Co., Ltd.
Drafters of this standard. Yang Zijia, Chu Jijun, Tong Tianwang, Wang Daliang, Xiao Huiying, Jiang Yong, Li Dianzhao, Qu Chuansong, Sui Yongli, Song Bei,
Li Sushan, Su Jinhua, Wu Jiangqiao, Xiang Mei, Chen Pengda, Jia Meng, Xiao Cheng, He Guizhao.
Heat-strength steel solid wire for gas shielded arc welding
1 Scope
This standard specifies the models, technical requirements, test methods, retests and supply of heat-strength steel solid wires and filler wires for gas shielded arc welding.
Technical conditions and other content.
This standard is applicable to hot-strength steel solid welding wires and filler wires (with molten metal gas shielded arc welding and tungsten inert gas shielded arc welding).
Hereinafter referred to as "welding wire").
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 2652 Weld and deposited metal tensile test method
GB/T 3323.1 Non-destructive testing of welds. Radiographic testing. Part 1.X and gamma ray film technology
GB/T 18591 Guide for measurement of welding preheat temperature, interpass temperature and preheat maintenance temperature
GB/T 25774.1 Inspection of welding materials Part 1.Preparation and inspection of mechanical properties of steel, nickel and nickel alloy deposited metals
GB/T 25775 Technical Conditions for Supply of Welding Materials Product Type, Size, Tolerance and Marking
GB/T 25778 Guidelines for Procurement of Welding Materials
GB/T 37910.1-2019 Non-destructive testing of welds, radiographic testing acceptance level Part 1.Steel, nickel, titanium and their alloys
GB/T 39255-2020 Shielding gas for welding and cutting
3 Model
3.1 Model division
Welding wire types are classified according to welding method, mechanical properties of deposited metal, shielding gas type and chemical composition of welding wire. This standard and its
See Appendix C for the comparison of solid welding wire models of other related standards.
3.2 Model preparation method
The welding wire model consists of four parts.
1) Part 1.Use the letter "G" to indicate solid wire for MIG welding, and "W" for tungsten inert gas shielded wire
Solid filler wire for arc welding;
2) The second part. indicates the code of the tensile strength of the deposited metal under the conditions of post-weld heat treatment, see Table 1;
3) The third part. indicates the type code of the protective gas, and the code of the protective gas type is in accordance with the provisions of GB/T 39255
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