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GB/T 13397-2024: Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method
Status: Valid GB/T 13397: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13397-2024 | English | 349 |
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Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method
| Valid |
GB/T 13397-2024
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| GB/T 13397-2008 | English | 279 |
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Technical specification for silver-metal oxide electrical contacts by alloy internal oxidation method
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GB/T 13397-2008
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| GB 13397-1992 | English | 799 |
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Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method
| Obsolete |
GB 13397-1992
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Standard similar to GB/T 13397-2024 GB/T 51033 GB/T 50082 GB/T 13397 Basic data | Standard ID | GB/T 13397-2024 (GB/T13397-2024) | | Description (Translated English) | Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K14 | | Classification of International Standard | 29.120.99 | | Word Count Estimation | 17,153 | | Date of Issue | 2024-10-26 | | Date of Implementation | 2025-05-01 | | Older Standard (superseded by this standard) | GB/T 13397-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 13397-2024: Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method
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Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method
Silver metal oxide electrical contacts by alloy internal oxidation method
Technical Specifications
Technical specification for silver-metaloxide electrical contacts by alloy
internal oxidation method
ICS 29.120.99
CCS K 14
National Standard of the People's Republic of China
Replaces GB/T 13397-2008
Released on October 26, 2024
Implementation on May 1, 2025
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 Requirements... 1
4.1 Appearance 1
4.2 Dimensional tolerances and markings 1
4.3 Chemical composition... 2
4.4 Physical and Mechanical Properties 3
4.5 Metallographic Structure... 4
5 Detection methods... 5
5.1 Appearance 5
5.2 Dimensions... 5
5.3 Chemical composition... 5
5.4 Physical and Mechanical Properties 5
5.5 Metallographic Structure 5
6 Inspection Rules... 5
6.1 Batch Rules 5
6.2 Factory regulations 5
6.3 Inspection Items and Sequence 5
6.4 Sampling plan and judgment rules 6
7 Marking, packaging, storage and transportation... 6
7.1 Logo 6
7.2 Packaging 7
7.3 Transportation 7
7.4 Storage 7
7.5 Special Notes... 7
Appendix A (Informative) Determination of copper content in silver copper oxide... 8
A.1 Principle 8
A.2 Reagents 8
A.3 Preparation and calibration of sodium thiosulfate standard solution 8
A.4 Analytical methods 9
Appendix B (Normative) Normal Inspection Second Sampling Plan... 10
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 13397-2008 "Technical Specifications for Silver Metal Oxide Electrical Contacts by Internal Oxidation of Alloys" and is in compliance with GB/T 13397-2008.
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
Deleted some terms and definitions (see 3.1 to 3.4 of the.2008 edition); a)
The burr height index of the appearance has been changed (see 4.1, 4.1 of the.2008 edition); b)
Added technical indicators of pre-oxidation silver metal oxide electrical contacts (see Table 1 and Table 2); c)
Added technical indicators of internal oxidation method silver cadmium oxide (17), silver cadmium oxide (20), silver zinc oxide (12) (see Table 1,
Table 2);
d)
Deleted other requirements for metallographic structure (see 4.6 of the.2008 edition); e)
The metallographic structure test method has been changed (see 5.5, 5.5 of the.2008 edition); f)
The sampling plan and determination rules for hardness and metallographic structure have been changed (see 6.4.4, Table 4, and 6.4.4, Table 3 of the.2008 edition); g)
The sampling plan and determination rules for chemical composition, density and resistivity have been modified (see 6.4.3, Table 3, 6.4.3 of the.2008 edition); h)
Added special instructions on labeling, packaging, transportation and storage (see 7.5); i)
The method for determining the copper content in silver copper oxide has been changed (see Appendix A, Appendix B of the.2008 edition). j)
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 by the China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Technical Committee for Standardization of Electrical Alloys (SAC/TC 228).
This document was drafted by. Zhejiang Fuda Alloy Material Technology Co., Ltd., Nanning Branch of China Southern Power Grid Ultra-High Voltage Transmission Company, Hebei Engineering
University of Science and Technology, Xiamen Jinbo Precious Metal Products Co., Ltd., Mingguang Sanyou Electric Power Technology Co., Ltd., Guilin Jinge Electrical and Electronic Materials Technology Co., Ltd.
Company, Henan Kefeng New Materials Co., Ltd., Guilin Electric Science Research Institute Co., Ltd., Zhejiang Songfa Composite New Materials Co., Ltd., Wenzhou
Juxing Technology Co., Ltd., Ningbo Hanbo Precious Metal Alloy Co., Ltd., Ningbo Electrical Alloy Materials Co., Ltd., State Grid Smart Grid Research Institute
Research Institute Co., Ltd., Wenzhou Hongfeng Electrical Alloy Co., Ltd., Guiyan Zhongxi (Shanghai) New Materials Technology Co., Ltd., Zhejiang Zhixin New
Materials Co., Ltd., Suzhou Sealf New Materials Co., Ltd., Foshan Jiazhirun Electric Co., Ltd., Shaanxi Sirui New Materials
Co., Ltd., Zhejiang University Wenzhou Research Institute, Anhui Xinrui New Materials Co., Ltd., Tianshui Xidian Great Wall Alloy Co., Ltd., Wujiang City
Dongfeng Electrical Equipment Co., Ltd., Jiyuan Yujin Target Material Technology Co., Ltd., Shaanxi Baoguang Vacuum Electric Co., Ltd., Foshan Yinxingui
Metal Materials Co., Ltd., Zhejiang Huzhou Xinjingchang Electronics Co., Ltd., Ruyang Ruijin Electronic Technology Co., Ltd., Wenzhou Yinyu Alloy Co., Ltd.
Company, Ruian Wantong Mechanical and Electrical Manufacturing Co., Ltd.
The main drafters of this document are. Wan Dai, Chen Jisheng, Wang Jingqin, Wang Jinlong, Liu Dayi, Feng Pengfei, Zhang Guoshun, Cui Defeng, Zhao Chengwei,
Huang Guanglin, Shi Jianhua, Zhang Shunle, Ding Yi, Mu Chengfa, Chen Wenxiao, Lou Chizheng, Yang Yucai, Liu Jiansheng, Wang Xiaojun, Shen Tao, Zhang Xiaohui,
Shao Lianxiong, Jin Hualin, Sun Hao, Wang Wenjing, Lin Hui, Qiu Yingen, Yang Baojun, Zheng Caiwei, Yan Haolei, Bai Xiaoping, Chen Guang, and Huang Lanxia.
The previous versions of this document and the documents it replaces are as follows.
First published in.1992 as GB 13397-1992;
The first revision was in.2008 as GB/T 13397-2008;
This is the second revision.
Silver metal oxide electrical contacts by alloy internal oxidation method
Technical Specifications
1 Scope
This document specifies the alloy internal oxidation process (including internal oxidation process and pre-oxidation process) manufactured by silver cadmium oxide, silver zinc oxide, silver oxide
Requirements, inspection rules, marking, packaging, transportation and storage of copper and other silver metal oxide sheet electrical contacts (hereinafter referred to as "electrical contacts")
The corresponding detection method is described.
This document is applicable to silver metal oxide sheet electrical contacts such as silver cadmium oxide, silver zinc oxide, silver copper oxide, etc. manufactured by alloy internal oxidation process.
These products are mainly used in various low-voltage switchgear.
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 latest version (including all amendments) applies to this document.
In this document.
GB/T 2828.1-2012 Sampling procedures for inspection by attributes Part 1.Sampling for batch inspection based on acceptance quality limit (AQL)
plan
GB/T 2900.4 Electrical terminology - Electrical alloys
GB/T 5586 Test methods for basic properties of electrical contact materials
GB/T 5587 Basic shapes, dimensions, symbols and markings of silver-based electrical contacts
GB/T 26871 Metallographic test methods for electrical contact materials
JB/T 7774 (all parts) Chemical analysis methods for silver zinc oxide electrical contact materials
JB/T 7776 (all parts) Chemical analysis methods for silver cadmium oxide electrical contact materials
3 Terms and Definitions
The terms and definitions defined in GB/T 2900.4 apply to this document.
4 Requirements
4.1 Appearance
The surface of the electrical contact product should be free of cracks, bubbles, missing edges, missing corners, visible depressions and spots, and the thickness of the electrical contact product should not exceed 1 mm.
The edge burr height should not exceed 0.03 mm, and the burr height of the electrical contact product with a thickness greater than 1 mm should not exceed 0.05 mm.
When the welding surface and working surface of the physical and electrical contact product cannot be distinguished visually, they should be marked. If there are special requirements, the supply and demand parties shall negotiate and decide.
4.2 Dimensional tolerances and markings
The dimensional tolerance and marking of electrical contacts shall comply with the provisions of GB/T 5587, or be determined by negotiation between the supplier and the buyer.
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