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GB - Chinese national standards - Page 4633

Standards GB - Chinese national standards - Page 4633

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 46213-2025 29.8.2025
GB/T 46213-2025

Technical specification for remanufacturing of Nd-Fe-B bonded magnet wastes

Standard published on 29.8.2025

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262.80 USD


in 3 working days
Preview GB/T 46214-2025 29.8.2025
GB/T 46214-2025

Hot-rolled H section steel for bridge steel structure

Standard published on 29.8.2025

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402.00 USD


IN STOCK
Preview GB/T 46215-2025 29.8.2025
GB/T 46215-2025

Corrosion of metals and alloys—Evaluation of selective corrosion of Cu alloys and grey cast iron for power plant components by visual inspection and hardness measurement

Standard published on 29.8.2025

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in 5 working days
Preview GB/T 46216-2025 29.8.2025
GB/T 46216-2025

Ultrasonic phased array testing method for round steel

Standard published on 29.8.2025

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526.80 USD


in 4 working days
Preview GB/T 46217-2025 29.8.2025
GB/T 46217-2025

Test method of ionizing radiation effect for polymer-based piezoelectric composites

Standard published on 29.8.2025

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334.80 USD


in 3 working days
Preview GB/T 46218-2025 29.8.2025
GB/T 46218-2025

Backup roll

Standard published on 29.8.2025

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262.80 USD


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Preview GB/T 46219-2025 29.8.2025
GB/T 46219-2025

Corrosion-resistant alloy U-bent tubes

Standard published on 29.8.2025

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382.80 USD


in 4 working days
Preview GB/T 4622.1-2022 12.10.2022
GB/T 4622.1-2022

Spiral wound gaskets for pipe flanges—Part 1: PN designated

Standard published on 12.10.2022

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598.80 USD


in 5 working days
Preview GB/T 4622.2-2022 12.10.2022
GB/T 4622.2-2022

Spiral wound gaskets for pipe flanges—Part 2: Class designated

Standard published on 12.10.2022

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550.80 USD


in 4 working days
Preview GB/T 46220-2025 29.8.2025
GB/T 46220-2025

Test method for mode I fatigue delamination growth onset of fiber-reinforced plastic composites

Standard published on 29.8.2025

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in 3 working days

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