We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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 of welds—Ultrasonic testing—Characterization of indications in welds
WITHDRAWN published on 18.9.2013
Selected format:Non-destructive testing of welds—Ultrasonic testing—Acceptance levels
WITHDRAWN published on 18.9.2013
Selected format:Zinc-coated steel wire—Test method for uniformity of zinc coating on wire by the copper sulphate dip
WITHDRAWN published on 26.3.1991
Selected format:Specifications of coal for fluidized bed gasifier
WITHDRAWN published on 18.9.2013
Selected format:Specifications of coal for entrained-flow gasifier
WITHDRAWN published on 18.9.2013
Selected format:Essential requirements for the safety of hydrogen systems
WITHDRAWN published on 18.9.2013
Selected format:Zinc-coated steel wire—Test method for weight of zinc coating
WITHDRAWN published on 26.3.1991
Selected format:Zinc coated steel wire test method for gravimetric determination of zinc coating
WITHDRAWN published on 19.1.2004
Selected format:The gravimetric method for determining weight of zinc coatings on wire
WITHDRAWN published on 1.1.1982
Selected format:The gasometric method for determining weight of zinc coatings on wire
WITHDRAWN published on 1.1.1982
Selected format:Latest update: 2026-03-15 (Number of items: 2 266 660)
© Copyright 2026 NORMSERVIS s.r.o.