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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
Non-destructive testing—Magnetic particle testing—Part 1General principles
Standard published on 29.9.2024
Selected format:Non-destructive testing—Magnetic particle testing—Part 2Detection media
Standard published on 29.9.2024
Selected format:Non-destructive testing—Magnetic particle testing—Part 3Equipment
Standard published on 29.9.2024
Selected format:Non-destructive testing - Test methods for helium leak testing
Standard published on 26.5.2009
Selected format:Thermal fatigue testing method for hot die steel
Standard published on 6.6.2008
Selected format:Sheet metal formability and test methods - Part 1: Formability and indexes
Standard published on 23.12.2008
Selected format:Sheet metal formability and test methods - Part 2: General test rules
Standard published on 23.12.2008
Selected format:Sheet metal formability and test methods - Part 3: Drawing and drawing load test
Standard published on 23.12.2008
Selected format:Sheet metal formability and test methods - Part 4: Method of hole expanding test
Standard published on 23.12.2008
Selected format:Sheet metal formability and test methods - Part 5: Bending test
Standard published on 23.12.2008
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
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