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Database: 189760 (25 Oct 2025)
JB/T 7097-2008 English PDF
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JB/T 7097-2008
: Specification for copper-bismuth-aluminium electric contact material
Status: Valid
JB/T 7097: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 7097-2008
English
209
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Specification for copper-bismuth-aluminium electric contact material
Valid
JB/T 7097-2008
JB/T 7097-1993
English
199
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2 days [Need to translate]
(Bismuth copper aluminum contact material technical conditions)
Obsolete
JB/T 7097-1993
PDF similar to JB/T 7097-2008
Standard similar to JB/T 7097-2008
GB/T 38090
JB/T 8987
GB/T 3217
JB/T 8633
JB/T 7092
Basic data
Standard ID
JB/T 7097-2008 (JB/T7097-2008)
Description (Translated English)
Specification for copper-bismuth-aluminium electric contact material
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
K14
Classification of International Standard
29.120.20
Word Count Estimation
8,891
Date of Issue
2008-03-12
Date of Implementation
2008-09-01
Older Standard (superseded by this standard)
JB/T 7097-1993
Quoted Standard
GB/T 2828.1-2003; GB/T 5121.1; GB/T 5121.2; GB/T 5121.3; GB/T 5121.4; GB/T 5121.5; GB/T 5121.6; GB/T 5121.7; GB/T 5121.8; GB/T 5121.9; GB/T 5121.10; GB/T 5121.11; GB/T 5121.12; GB/T 5121.13; GB/T 5121.14; GB/T 5121.15; GB/T 5121.16; GB/T 5121.17; GB/T 5121.18; GB/T 5121.19; GB/T 5121.20; GB/T 5121.21; GB/T 5121.22; GB/T 5121.23; GB/T 5121.24; GB/T 5121.25; GB/T 5121.26; GB/T 5121.27; GB/T 5121.28; JB/T 5351-1991; JB/T 8985
Regulation (derived from)
NDRC Notice No. 25 of 2008
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the bismuth copper aluminum contact material chemical composition, mechanical properties, macrostructure, microstructure, test methods and inspection rules and other basic properties. This standard applies to the vacuum produced by the method of smelting copper bismuth alloy ingot products (hereinafter referred to as copper bismuth alloy), this product is mainly used in 10kV and below the vacuum circuit breakers.