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Standards GB - Chinese national standards - Page 1003
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 18850-2002
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Industrial wire screens--Technical requirements and testing
Standard published on 11.10.2002
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GB/T 18851.1-2024
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Non-destructive testing—Penetrant testing—Part 1:General principles
Standard published on 28.11.2024
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GB/T 18851.2-2008
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Non-destructive testing - Penetrant testing - Part 2: Testing of penetrant materials
Standard published on 26.9.2008
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GB/T 18851.2-2024
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Non-destructive testing—Penetrant testing—Part 2:Testing of penetrang materials
Standard published on 31.12.2024
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GB/T 18851.3-2008
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Non-destructive testing - Penetrant testing - Part 3: Reference test blocks
Standard published on 26.9.2008
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GB/T 18851.4-2005
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Non-destructive testing-Penetrant testing-Part 4:Equipment
Standard published on 8.6.2005
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GB/T 18851.5-2014
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Non-destructive testingPenetrant testingPart 5: Penetrant testing at temperatures higher than 50
Standard published on 6.5.2014
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GB/T 18851.6-2014
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Non-destructive testingPenetrant testingPart 6: Penetrant testing at temperatures lower than 10
Standard published on 6.5.2014
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GB/T 18852-2020
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Non-destructive testing—Ultrasonic testing—Reference blocks and test procedures for the characterization of contact probe sound beams
Standard published on 19.11.2020
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GB/T 18853-2015
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Hydraulic fluid power filters—Multi-pass method for evaluating filtration performance of a filter element
Standard published on 31.12.2015
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