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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
Countersunk head double nib bolts
Standard published on 19.11.2020
Selected format:Aluminium and aluminium alloy terms and definitions—Part 1Product and method of processing and treatment
Standard published on 4.6.2019
Selected format:Terms of aluminium and aluminium alloys - part 2: Chemical analysis
Standard published on 12.5.2011
Selected format:Aluminium of aluminium alloys-Terms and difinitions - Part 3Surface treatment terms
Standard published on 9.6.2008
Selected format:Aluminium and aluminium alloy terms and definitions—Part 4Aluminium scrap
Standard published on 11.7.2022
Selected format:Cup head square neck bolts with small head and short neck—Product grade B
Standard published on 31.12.2021
Selected format:Casting tin-lead solders
Standard published on 17.12.2013
Selected format:Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 1: Anodic oxide coatings
Standard published on 14.5.2018
Selected format:Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 2: Combined coatings
Standard published on 14.5.2018
Selected format:Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 3: Organic polymer coatings
Standard published on 14.5.2018
Selected format:Latest update: 2026-05-02 (Number of items: 2 275 366)
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