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Standards GB - Chinese national standards - Page 4932
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
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GB/T 5166-2023
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Determination of elasticity modulus for sintered metal materials and hardmetals
Standard published on 6.8.2023
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GB/T 5167-2018
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Sintered metal materials and hardmetals—Determination of electrical resistivity
Standard published on 17.9.2018
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GB/T 5168-2020
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Microstructure and macrostructure examination for titanium and titanium alloys
Standard published on 6.3.2020
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GB/T 5169.1-2025
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Fire hazard testing for electric and electronic products—Part 1: Terminology concerning fire tests
Standard published on 29.8.2025
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GB/T 5169.10-2017
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Fire hazard testing for electric and electronic products—Part 10: Glowing/hot-wire based test methods—Glow-wire apparatus and common test procedure
Standard published on 29.12.2017
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GB/T 5169.11-2017
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Fire hazard testing for electric and electronic products—Part 11: Glowing/hot-wire based test methods—Glow-wire flammability test method for end-products (GWEPT)
Standard published on 29.12.2017
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GB/T 5169.12-2024
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Fire hazard testing for electric and electronic products—Part 12: Glowing/hot-wire based test methods—Glow-wire flammability index (GWFI) test method for materials
Standard published on 23.8.2024
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GB/T 5169.13-2024
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Fire hazard testing for electric and electronic products—Part 13Glowing/hot-wire based test methods—Glowing-wire ignition temperature (GWIT) test method for materials
Standard published on 23.8.2024
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GB/T 5169.14-2017
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Fire hazard testing for electric and electronic products—Part 14: Test flames - 1kW hominal pre-mixed flame - Apparatus, confirmatory test arrangement and guidance
Standard published on 29.12.2017
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GB/T 5169.15-2015
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Fire hazard testing for electric and electronic products—Part 15: Test flames—500W flames—Apparatus and confirmational test methods
Standard published on 9.10.2015
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