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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 testingTerminologyTerms used in penetrant testing
Standard published on 17.12.2013
Selected format:Non-destructive testing-Terminology-Terms used in acoustic emission testing
Standard published on 8.6.2005
Selected format:Non-destructive testing—Terminology—Magnetic particle testing
Standard published on 19.11.2020
Selected format:Non-destructive testing—Terminology—Eddy current testing
Standard published on 21.5.2021
Selected format:Non-destructive testing—Terminology—Leak testing
Standard published on 21.5.2021
Selected format:Non-destructive testingTerminologyTerms used in neutron testing
Standard published on 6.5.2014
Selected format:Non-destructive testing—Terminology—Infrared thermography
Standard published on 20.8.2021
Selected format:Non-destructive testing Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes
Standard published on 13.5.2008
Selected format:Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections
Standard published on 29.8.2016
Selected format:Thermal spraying--Wiresrods and cords for flame and arc spraying--Classification and technical supply condition
Standard published on 29.10.2003
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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