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GB/T 15620-2025: Solid wire electrodes, solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys
Status: Valid GB/T 15620: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 15620-2025 | English | 729 |
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Solid wire electrodes, solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys
| Valid |
GB/T 15620-2025
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| GB/T 15620-2008 | English | 419 |
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3 days [Need to translate]
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Nickel and Nickel alloy wires and rods
| Valid |
GB/T 15620-2008
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| GB/T 15620-1995 | English | 319 |
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Nickel and nickel alloy welding wires
| Obsolete |
GB/T 15620-1995
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PDF similar to GB/T 15620-2025
Basic data | Standard ID | GB/T 15620-2025 (GB/T15620-2025) | | Description (Translated English) | Solid wire electrodes, solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J33 | | Classification of International Standard | 25.160.20 | | Word Count Estimation | 36,336 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Older Standard (superseded by this standard) | GB/T 15620-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 15620-2025: Solid wire electrodes, solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys
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ICS 25.160.20
CCSJ33
National Standard of the People's Republic of China
Replaces GB/T 15620-2008
Nickel and nickel alloy solid welding wire and welding strip
(ISO 18274.2023,Weldingconsumables-Solidwireelectrodes,solidstrip
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Model 2
5 Technical Requirements 3
6 Test methods 14
7 Amendment Rules 15
8 Inspection Rules 15
9 Technical conditions of supply 16
Appendix A (Informative) Comparison table of structure numbers between this document and ISO 18274.2023 17
Appendix B (Informative) Technical differences between this document and ISO 18274.2023 and their causes 18
Appendix C (Informative) Instructions for use of welding wire and welding ribbon 19
Appendix D (Informative) Chemical Composition Classification and Tensile Properties of Welding Wire Deposited Metal 27
Reference 31
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 15620-2008 Nickel and nickel alloy welding wire. Compared with GB/T 15620-2008, except for the structural adjustment and
In addition to the logical changes, the main technical changes are as follows.
a) Added content related to welding strips (see Chapter 1, 3.3, 4.1, 4.2, 5.1, 5.3, 5.4, 5.5, 6.1, 6.3, 6.4, and Chapter 8);
b) Added the terms and definitions of “solid welding wire”, “solid filler wire” and “solid welding ribbon” (see Chapter 3);
c) Added Ni6073, Ni6699, Ni6043, Ni6045, Ni6054, Ni6055, Ni6056, Ni6693, Ni8034,
Ni8827, Ni9946, Ni1024, Ni1362, Ni6007, Ni6035, Ni6205, Ni7208, Ni7740, Ni6231B,
Ni6680 has a total of 20 chemical composition classifications (see 5.4);
d) The chemical composition code of Ni6058 has been changed (see 5.4, 4.1 of the.2008 edition);
e) Some chemical composition requirements have been modified (see 5.4, 4.1 of the.2008 edition);
f) Added typical values and test methods of tensile properties of deposited metal (see 5.6, 6.4);
g) The provisions for sampling when conducting chemical composition analysis on welding wire have been modified (see 6.4, 5.1.1 of the.2008 edition);
h) Added the rules on amendment (see Chapter 7);
i) The inspection rules have been changed (see Chapter 8, Chapter 6 of the.2008 edition);
j) Deleted the requirements for “packaging, marking and quality certificate” (see Chapter 7 of the.2008 edition);
k) Added the requirements for “Technical Supply Conditions” (see Chapter 9).
This document is modified to adopt ISO 18274.2023 “Welding materials – Nickel and nickel alloy solid wire, solid strip and solid filler wire”
kind".
Compared with ISO 18274.2023, this document has many structural adjustments. The structural number changes between the two documents are shown in the table below.
See Appendix A;
This document has many technical differences compared to ISO 18274.2023.
A list of these technical differences and their reasons is given in Appendix B.
The following editorial changes have been made to this document.
--- To coordinate with the existing standard, the name of the standard is changed to "Nickel and nickel alloy solid welding wire and welding strip";
--- Deleted Appendix A (informative) welding material naming system and expressed the relevant content in C.1;
--- Deleted Appendix C (Informative) Chemical composition comparison of welding wire and welding strip BS2901-5.1990 and DIN1736.1995
The models of AWS A5.14/A5.14M.2024 and JIS Z3334.2017 have been updated for comparison.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Welding Standardization (SAC/TC55).
This document was drafted by. Harbin Welding Research Institute Co., Ltd. of China Machinery Engineering Corporation, Harbin Well Welding Co., Ltd.,
Kunshan Jingqun Welding Materials Technology Co., Ltd., Beijing Jinwei Welding Materials Co., Ltd., Sichuan Atlantic Welding Materials Co., Ltd., Tianjin Bridge Welding Materials Co., Ltd.
Materials Group Co., Ltd., Tianjin Jinqiao Welding Materials Group Co., Ltd., Jinzhou Special Welding Rod Co., Ltd., Shanghai Nuclear Engineering Research and Design Institute
Co., Ltd., China Nuclear Power Engineering Co., Ltd., Zhejiang Shenjia Welding Materials Technology Co., Ltd., Harbin Boiler Plant Co., Ltd., Jiangsu
Jiuzhou New Materials Technology Co., Ltd., Central Iron and Steel Research Institute Co., Ltd., Fushun Special Steel Co., Ltd., Zhejiang Jiuli Special Materials Technology Co., Ltd.
Co., Ltd., Hunan Valin Xiangtan Iron and Steel Co., Ltd., Anqing CSIC Power Equipment Co., Ltd., Hebei Hesteel Materials Technology Research Institute Co., Ltd.
Co., Ltd., Jiangsu Junmao New Material Technology Co., Ltd., Xi'an Thermal Engineering Research Institute Co., Ltd., Offshore Oil Engineering Co., Ltd., Lanzhou Lanshi Super
Alloy New Materials Co., Ltd. and Beijing Guangsha Environmental Energy Technology Co., Ltd.
The main drafters of this document are. Guo Xiao, Chen Bo, Tong Tianwang, Li Wei, Zhang Xiaobai, Tian Guofeng, Xiao Huiying, Pei Kai, Zhang Junbao, Ma Jing, Zheng Xiaodong,
Zhao Weijun, Gao Yuxiang, Ma Chengyong, Yu Jie, Liu Mingzhou, Zhou Wenhao, Jiang Jingming, Zhang Yunfei, Hu Wenhong, Yin Hongfei, Lu Xinyu, Wang Xuming,
Hao Zhenliang, Yang Zijia, Shi Baicheng, Feng Wei, Guo Chengxiang, Yao Junjun, Xu Xiangjiu, Zhang Guozhu, Shi Ji, and Hao Runze.
This document was first issued in.1995, revised for the first time in.2008, and this is the second revision.
Nickel and nickel alloy solid welding wire and welding strip
1 Scope
This document specifies the types, technical requirements, test methods, amendment rules and
inspection rules and technical supply conditions, etc.
This document applies to nickel and nickel alloy solid welding wire and solid filler wire (hereinafter referred to as welding wire), solid welding strip (hereinafter referred to as welding strip) for fusion welding.
bring).
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2652 Destructive tests on welds of metallic materials - Longitudinal tensile test of weld metal in fusion welded joints (GB/T 2652-
2022, ISO 5178.2019, IDT)
GB/T 3375 Welding terminology
GB/T 5185 Welding and related process code (GB/T 5185-2005, ISO 4063.1998, IDT)
GB/T 8170-2008 Rules for rounding off values and expression and determination of limit values
GB/T 25774.1-2023 Inspection of welding materials Part 1.Preparation of test specimens for mechanical properties of steel, nickel and nickel alloy deposited metal
(ISO 15792-1.2020, MOD)
GB/T 25775 Technical conditions for supply of welding consumables - Product types, dimensions, tolerances and markings (GB/T 25775-2010, ISO
544.2003,MOD)
GB/T 25778 Welding Consumables Procurement Guide (GB/T 25778-2010, ISO 14344.2010, MOD)
3 Terms and Definitions
The terms and definitions defined in GB/T 3375, GB/T 5185 and the following apply to this document.
3.1
solid wire solidwireelectrode
A wire-shaped welding material with a uniform solid circular cross-section that serves as both filler metal and electrode during welding.
3.2
Solid filler wire solidwire/solidrod
A wire-shaped welding material with a uniform solid circular cross-section that serves only as filler metal but not as an electrode during welding.
3.3
Solid strip solid stripelectrode
Strip welding with a uniform solid rectangular cross-section and a thickness of not less than 0.10 mm, used as both filler metal and electrode during welding
Material.
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