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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
Method of cavitation corrosion test
Standard published on 15.3.2024
Selected format:The testing methods for seawater corrosion in natural environment of metallic materials for ship and offshore structures
Standard published on 4.8.2008
Selected format:Transport package shipping mark
Standard published on 14.5.1986
Selected format:Chemical reagent - Sodium carbonate anhydrous
Standard published on 15.5.2008
Selected format:Colour standard for use in the geological map
Standard published on 14.5.1986
Selected format:Rolling bearings - Dynamic load ratings and rating life
Standard published on 14.1.2011
Selected format:Determination of estimating the average grain size of metal
Standard published on 28.2.2017
Selected format:Clad steel plates - Mechanical and technological test
Standard published on 13.5.2008
Selected format:Metallic materials—Fatigue testing—Fatigue crack growth method
Standard published on 12.7.2017
Selected format:Chemical reagent--Sodium hydrogen carbonate
Standard published on 9.9.1997
Selected format:Latest update: 2026-06-21 (Number of items: 2 283 476)
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