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Standards GB - Chinese national standards - Page 4290
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 43409-2023
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Metallographic examination of carbon steel and low alloy steel castings for general engineering and sturctural purposes
Standard published on 27.11.2023
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GB/T 4341.1-2014
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Metallic materials—Shore hardness test—Part 1: Test method
Standard published on 30.9.2014
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GB/T 4341.2-2016
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Metallic materials—Shore hardness test—Part 2: Verification of hardness testers
Standard published on 13.10.2016
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GB/T 4341.3-2016
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Metallic materials—Shore hardness test—Part 3: Calibration of reference blocks
Standard published on 13.10.2016
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GB/Z 43410-2023
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Non-destructive testing—Automated ultrasonic testing—Selection and application of systems
Standard published on 27.11.2023
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GB/T 43411-2023
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Electron beam selective melting additive manufacturing machines—General technical requirements
Standard published on 27.11.2023
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GB/T 43412-2023
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Recommended process for resistance spot welding on sheet metal
Standard published on 27.11.2023
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GB/T 43413-2023
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Non-destructive testing—Infrared thermographic testing—General principles for thermoelastic stress measuring method
Standard published on 27.11.2023
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GB/Z 43414-2023
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Non-destructive testing—NDT training syllabuses
Standard published on 27.11.2023
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GB/T 43415-2023
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Heavy mechanical—Design requirement for casting
Standard published on 27.11.2023
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