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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
High purity gallium
Standard published on 28.12.2023
Selected format:Determination of dezincification corrosion resistance of brass
Standard published on 31.3.2008
Selected format:120 degree oval countersunk rivets
Standard published on 2.7.1986
Selected format:Metallic materials - Tensile stress relaxation - Method of test
Standard published on 6.9.2013
Selected format:Steel products-Method for magnetic particle inspection of tower sample
Standard published on 11.9.2008
Selected format:Corrosion of metals and alloys—Vocabulary
Standard published on 15.4.2022
Selected format:Corrosion tests in artificial atmospheres—Salt spray tests
Standard published on 20.8.2021
Selected format:Ferric chloride crevice corrosion test of stainless steels
Standard published on 15.7.2002
Selected format:Metallic materials - Torsion test at ambient temperature
Standard published on 23.11.2007
Selected format:Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies
Standard published on 30.8.2019
Selected format:Latest update: 2024-12-23 (Number of items: 2 217 157)
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