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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Sheet metal formability and test methods - Part 6: Conical cup test
Standard published on 23.12.2008
Selected format:Sheet metal formability and test methods - Part 7: Earing test
Standard published on 23.12.2008
Selected format:Sheet metal formability and test methods - Part 8: Guidelines for the determination of forming-limit diagrams
Standard published on 23.12.2008
Selected format:Soft soldering flux—Classification and requirements
Standard published on 31.12.2021
Selected format:Non-destructive testing - Practice for ultrasonic testing of circumferential butt welds in steel pipes and tubes
Standard published on 30.7.2008
Selected format:Steel tube scaffold coupler
Standard published on 23.5.2023
Selected format:General requirement of forestry wheeled tractors and crawler tractors
Standard published on 25.6.2007
Selected format:Test methods for forestry wheeled tractors and crawler tractors
Standard published on 25.6.2007
Selected format:General rules for punctuation
Standard published on 30.12.2011
Selected format:General rules for writing numerals in public texts
Standard published on 29.7.2011
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
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