Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB/T 10129-2019 Methods of measurement of magnetic properties of electrical steel strip and sheet at medium frequencies 310.0 via email in 1~5 business day valid
GB/T 13012-2008 Methods of measurement of d.c. magnetic properties of magnetically soft materials 330.0 via email in 1~5 business day valid
GB/T 13298-2015 Inspection methods of microstructure for metals 120.0 via email in 1 business day valid
GB/T 13299-2022 Determination of free cementite, pearlite and Widmanstaten structure in steel 615.0 via email in 1~8 business day to be valid
GB/T 13305-2008 Micrographic method for determining area content of the α-phases in stainless steels 140.0 via email in 1~3 business day valid
GB/T 13789-2008 Methods of measurement of the magnetic properties of magnetic sheet and strip by means of a single sheet tester 280.0 via email in 1~5 business day valid
GB/T 1423-1996 of measurement of density for precious metals and their alloys 75.0 via email in 1~3 business day valid
GB/T 1424-1996 of measurement of resistivity of precious metals and their alloys 75.0 via email in 1~3 business day valid
GB/T 1425-1996 of melting temperature range for precious metals and their alloys - Testing method of thermal analysis 105.0 via email in 1~3 business day abolished
GB/T 1425-2021 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis 165.0 via email in 1~3 business day valid
GB/T 15711-2018 Inspection of non-metallic inclusions of steel—Etching test method of tower samples 80.0 via email in 1 business day valid
GB/T 1838-2008 Test methods of tin coating mass for electrolytic tinplate 180.0 via email in 1~3 business day valid
GB/T 19289-2019 Methods of measurement of resistivity,density and stacking factor of electrical steel strip and sheet 260.0 via email in 1 business day valid
GB/T 19346.1-2017 Amorphous and nanocrystalline alloys measurement methods―Part 1:AC magnetic properties by the use of ring specimens 160.0 via email in 1~3 business day valid
GB/T 19346.2-2017 Methods of measurement for amorphous and nanocrystalline alloys--Part 2: Lamination factor of amorphous alloy strips 160.0 via email in 1~3 business day valid
GB/T 20831-2007 Methods of assessment of temperature capability of inter laminar insulation coatings of electrical sheet and strip 150.0 via email in 1~3 business day valid
GB/T 21115-2007 Measurement for levitation force of bulk oxide superconductor 140.0 via email in 1~3 business day valid
GB/T 21115-2007E Measurement for levitation force of bulk oxide superconductor via email in business day valid
GB/T 22316-2008 Test methods of corrosion resistance for electrolytic tinplate 210.0 via email in 1~3 business day valid
GB/T 224-2008 Determination of depth of decarburization of steels 60.0 via email in 1 business day superseded


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