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Standards GB - Chinese national standards - Page 4843
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 50724-2011
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Technical code for bulk gas purification and delivery system engineering
Standard published on 29.7.2011
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GB 50725-2011
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Code for construction and acceptance of liquid crystal display manufacturing equipment installation engineering
Standard published on 16.9.2011
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GB/T 50726-2023
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(Industrial equipment and pipeline anti-corrosion engineering technical standards)
Standard published on 1.1.2023
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GB 50728-2011
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Technical code for safety appraisal of engineering structural strengthening materials
Standard published on 1.1.2011
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GB 50729-2012
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Code for acceptance of construction quality of ±800KV & under HVDC converter substation
Standard published on 28.5.2012
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GB/T 5073-2022
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Refractory products—Determination of creep in compression
Standard published on 30.12.2022
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GB 50730-2011
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Code for construction of metallurgical mechanical hydraulic,lubricating and dynamic equipment engineering
Standard published on 29.7.2011
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GB/T 50731-2019
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Standard for terminology of building materials engineering
Standard published on 5.6.2019
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GB/T 50733-2011
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Technical code for prevention of alkali-aggregate reaction in concrete
Standard published on 26.8.2011
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GB 50734-2012
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Technical code for drilling of metallurgical industry construction
Standard published on 21.1.2012
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