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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
Aluminum and aluminum alloy sheet
WITHDRAWN published on 1.1.1983
Selected format:Aluminium and aluminium alloy rolled sheet
WITHDRAWN published on 22.12.1997
Selected format:Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery
WITHDRAWN published on 26.9.2006
Selected format:Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery
WITHDRAWN published on 31.12.2012
Selected format:Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties
WITHDRAWN published on 26.9.2006
Selected format:Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties
WITHDRAWN published on 31.12.2012
Selected format:Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions
WITHDRAWN published on 26.9.2006
Selected format:Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 3:Tolerances on forms and dimensions
WITHDRAWN published on 31.12.2012
Selected format:Aluminum alloy brazing sheet
WITHDRAWN published on 1.1.1983
Selected format:Insert bearings and eccentric locking collars--Boundary dimensions
WITHDRAWN published on 1.1.1987
Selected format:Latest update: 2025-11-13 (Number of items: 2 243 644)
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