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GB - Chinese national standards - Page 4349

Standards GB - Chinese national standards - Page 4349

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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Preview GB/T 43894.3-2026 2.7.2026
GB/T 43894.3-2026

Practice for determining semiconductor wafer near-edge geometry—Part 3:Sector area flatness(ESFQRESFQDESBIR
Execute Date: february 2027

Standard published on 2.7.2026

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Preview GB/T 43895-2024 25.4.2024
GB/T 43895-2024

Additive manufacturing—Material —Mould steel powders

Standard published on 25.4.2024

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288.00 USD


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Preview GB/T 43896-2024 25.4.2024
GB/T 43896-2024

Metallic materials—Very high cycle fatigue—Ultrasonic fatigue test method

Standard published on 25.4.2024

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480.00 USD


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Preview GB/T 43897-2024 25.4.2024
GB/T 43897-2024

Cast superalloy—Master alloy—Single crystal

Standard published on 25.4.2024

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334.80 USD


in 3 working days
Preview GB/T 43898-2024 25.4.2024
GB/T 43898-2024

Seamless precision steel tubes for engineering machinery hydraulic cylinder

Standard published on 25.4.2024

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288.00 USD


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Preview GB/T 43899-2024 25.4.2024
GB/T 43899-2024

Pig iron—Determination of multi-element contents— Spark discharge atomic emission spectrometric method (Routine method)

Standard published on 25.4.2024

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910.80 USD


in 6 working days
Preview GB 439-1990 30.12.1990
GB 439-1990

Aviation jet engine lubricating oils

Standard published on 30.12.1990

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214.80 USD


in 2 working days
Preview GB/T 4390-2008 30.12.2008
GB/T 4390-2008

Wrench openings - Tolerances for general use

Standard published on 30.12.2008

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202.80 USD


in 3 working days
Preview GB/T 43900-2024 25.4.2024
GB/T 43900-2024

Non-destructive testing of steel products—Method for ultrasonic testing of torsional residual stress distribution of shaft

Standard published on 25.4.2024

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238.80 USD


in 3 working days
Preview GB/T 43901-2024 25.4.2024
GB/T 43901-2024

Ferronickel—Determination of arsenic,tin,stibonium,plumbum and bismuth contents—Inductively coupled plasma-mass spectrometric methodICP-MS

Standard published on 25.4.2024

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516.00 USD


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Latest update: 2026-09-10 (Number of items: 2 300 145)
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