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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
Safety in electro heat installations—Part 11:Particular requirements for installations for electromagnetic stirring, transport or pouring of metal liquids
WITHDRAWN published on 17.10.2000
Selected format:Safety in electro heat installations—Part 2:Particular requirements for arc furnace installations
WITHDRAWN published on 21.12.1998
Selected format:Safety in electroheat installations--Part 3:Particular requirements for induction and conduction heating installations and induction melting installations
WITHDRAWN published on 10.12.1988
Selected format:Safety in electro heat installations—Part 4:General requirements for resistance furnaces
WITHDRAWN published on 1.7.1992
Selected format:Safety in electro heat installations—Part 41:Particular requirements for resistance heating equipment-Heating and melting glass equipment
WITHDRAWN published on 4.2.2004
Selected format:Safety in electroheat installations—Part 5:Specifications for safety in plasma installations
WITHDRAWN published on 5.5.1991
Selected format:Safety in electroheat installations--Part 6:Particular requirements for industrial microwaveheating installations
WITHDRAWN published on 28.7.1987
Selected format:Safety in electroheat installations--Part 7:Particular requirements for installations with electron guns
WITHDRAWN published on 28.7.1987
Selected format:Safety in electroheat installations--Part 8:Particular requirements for electro-slag remelting furnaces
WITHDRAWN published on 22.3.1989
Selected format:Safety in electroheat installations--Part 9:Particular requirements for high-frequency dielectric heating installations
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2026-04-26 (Number of items: 2 274 794)
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