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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
Sintered metal friction materials—Determination of compressive strength
Standard published on 1.8.2025
Selected format:Sintered metal friction materials--Determination of apparent hardness
Standard published on 9.4.2002
Selected format:Sintered metal friction materials—Determination of apparent hardness
Standard published on 1.8.2025
Selected format:Single-stage centripetal turbine torque converters—Types and basic parameters
Standard published on 31.12.2021
Selected format:Plastics - Determination of charpy impact properties - Part 1: Non - instrumented impact test
Standard published on 4.8.2008
Selected format:Plastics—Determination of charpy impact properties—Part 2:Instrumented impact test
Standard published on 15.3.2018
Selected format:Inspection method for bonding ability of sintered friction elements
Standard published on 11.8.2008
Selected format:Transverse vibration testing method for fasteners
Standard published on 25.8.2008
Selected format:Fasteners—Studs and ceramic ferrules for arc stud welding
Standard published on 29.9.2024
Selected format:Round composite cans
Standard published on 18.7.2008
Selected format:Latest update: 2026-03-13 (Number of items: 2 266 261)
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