We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads--Part 2:Taper internal and external threads
Standard published on 24.7.2000
Selected format:Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
Standard published on 26.2.2001
Selected format:Plain bearings—Thin-walled half bearings with or without flange—Part 1Tolerances, design features and methods of test
Standard published on 9.3.2021
Selected format:Plain bearings—Thin-walled half bearings with or without flange—Part 2: Measurement of wall thickness and flange thickness
Standard published on 9.3.2021
Selected format:Plain bearings—Thin-walled half bearings with or without flange—Part 3: Measurement of peripheral length
Standard published on 9.3.2021
Selected format:General specification for audio cassettes
Standard published on 3.4.2000
Selected format:Gunny cloth and bags
Standard published on 6.8.2008
Selected format:Classification and editorial nominating method for packaging machinery
Standard published on 18.7.2008
Selected format:Metallic materials—Compression test method at room temperature
Standard published on 28.2.2017
Selected format:Refractories—Determination of thermal expansion
Standard published on 14.5.2018
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
© Copyright 2026 NORMSERVIS s.r.o.