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
Wrought copper and copper alloys—Detection of residual stress—Ammonia test
WITHDRAWN published on 22.12.1997
Selected format:Wrought aluminium and aluminium alloy--Hot rolled sheet in better quality
WITHDRAWN published on 1.1.1989
Selected format:Wrought aluminium and aluminium alloy--Cold rolled sheet in better quality
WITHDRAWN published on 1.1.1989
Selected format:Patterned, laminated, coated and coloured aluminium foils
WITHDRAWN published on 22.3.1989
Selected format:Wrought aluminium and aluminium alloy—Welded tube
WITHDRAWN published on 22.3.1989
Selected format:Wrought aluminium and aluminium alloy--Extruded rod and bar in better quality
WITHDRAWN published on 1.1.1989
Selected format:Tensile testing method for fine wire of non-ferrous metals
WITHDRAWN published on 22.3.1989
Selected format:Tin-lead solders--Determination of tin content--Potassium iodate titrimetric method
WITHDRAWN published on 22.3.1989
Selected format:Tin-lead solders--Determination of zinc content--Flame atomic absorption spectrophotometric method
WITHDRAWN published on 22.3.1989
Selected format:Methods for chemical analysis of tin-lead solders—Determination of cadmium content
WITHDRAWN published on 11.3.2003
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
© Copyright 2026 NORMSERVIS s.r.o.