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GB - Chinese national standards - Page 524

Standards GB - Chinese national standards - Page 524

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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Publication year
Preview GB/T 1553-2023 6.8.2023
GB/T 1553-2023

Test methods for minority carrier lifetime in bulk silicon and germanium—Photoconductivity decay method

Standard published on 6.8.2023

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electronic design (pdf) (682.80 USD)


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682.80 USD


in 5 working days
Preview GB/T 15530.1-2008 25.8.2008
GB/T 15530.1-2008

Cast copper alloy integral flanges

Standard published on 25.8.2008

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electronic design (pdf) (442.80 USD)


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442.80 USD


in 3 working days
Preview GB/T 15530.2-1995 2.4.1995
GB/T 15530.2-1995

Copper alloy welding neck flanges

Standard published on 2.4.1995

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electronic design (pdf) (166.80 USD)


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166.80 USD


in 2 working days
Preview GB/T 15530.3-1995 2.4.1995
GB/T 15530.3-1995

Copper alloy plate flanges for brazing or welding

Standard published on 2.4.1995

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electronic design (pdf) (190.80 USD)


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190.80 USD


in 2 working days
Preview GB/T 15530.4-2008 25.8.2008
GB/T 15530.4-2008

Copper alloy hubbed slip-on flanges for brazing or welding

Standard published on 25.8.2008

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electronic design (pdf) (394.80 USD)


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394.80 USD


in 3 working days
Preview GB/T 15530.5-2008 25.8.2008
GB/T 15530.5-2008

Loose piate flange in steel with a plate collar alloy for brazing and welding

Standard published on 25.8.2008

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electronic design (pdf) (274.80 USD)


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274.80 USD


in 3 working days
Preview GB/T 15530.6-2008 25.8.2008
GB/T 15530.6-2008

Loose plate flange in steel with a copper pipe or a weld-neck collar in copper alloy for welding

Standard published on 25.8.2008

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electronic design (pdf) (334.80 USD)


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334.80 USD


in 3 working days
Preview GB/T 15530.7-1995 2.4.1995
GB/T 15530.7-1995

Copper alloy blank flanges

Standard published on 2.4.1995

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298.80 USD


in 3 working days
Preview GB/T 15530.8-1995 2.4.1995
GB/T 15530.8-1995

Specifications for copper alloy and composite flanges

Standard published on 2.4.1995

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298.80 USD


in 3 working days
Preview GB/T 15531-2022 30.12.2022
GB/T 15531-2022

Belt drives—Pulleys—Limiting values for adjustment of centres

Standard published on 30.12.2022

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electronic design (pdf) (238.80 USD)


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238.80 USD


in 3 working days

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