Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YS/T 281.3-1994 Cobalt -- Determination of silicon content -- Molybdenum blue spectrophotometric method 30.0 via email in 1~3 business day abolished
HB 6731.11-2005 Methods for spectrometric analysis of aluminium alloys - Part 11: Determination of beryllium content by flame atomic absorption spectrometric method 90.0 via email in 1~3 business day valid
YS/T 981.4-2014 105.0 via email in 1~3 business day valid
YS/T 445-2001 Methods for Chemical Analysis of Silver Concentrates 210.0 via email in 1~3 business day valid
YS/T 227.1-1994 Determination of bismuth content in tellurium--Potassium iodide brucine photometric method 15.0 via email in 1~3 business day abolished
T/CFA 010604-2-2014 Impact test method of wear resistant steels and irons via email in business day valid
YS/T 37.3-1992 45.0 via email in 1~3 business day abolished
GB/T 21994.3-2008 Chemical analysis of magnesium fluoride - Part 3: Determination of fluoride content - Distillation-thorium nitrate titration volumetric method 90.0 via email in 1~3 business day valid
YS/T 426.6-2000 Method for chemical analysis of antimony-beryllium pellets - Determination of beryllium oxide content - Bromine methanol method 45.0 via email in 1~3 business day valid
YS/T 469-2004 Determination of whitenessof alumina and aluminium hydroxide 90.0 via email in 1~3 business day valid
GB/T 2522-2017 Methods of test for the determination of coating insulation resistance and coating adhesion of electrical strip and sheet 110.0 via email in 1 business day valid
GB/T 25047-2016 Metallic materials - Tube - Ring-expanding test 90.0 via email in 1~3 business day valid
YS/T 799-2012 Test Method for the Surface Cleaness of Aluminum and Aluminum Alloy 90.0 via email in 1~3 business day valid
GB/T 4341.1-2014 Metallic materials-Shore hardness test-Part 1:Test method 210.0 via email in 1~3 business day valid
YS/T 424.5-2000 Methods for chemical analysis of titanium diboride powder—Determination of oxygen content 75.0 via email in 1~3 business day valid
GB/T 24177-2009 Standard test methods for characterizing duplex grain sizes 315.0 via email in 1~3 business day valid
HB 6140.3-1987 Test Methods for Formability of Sheet Metal - Earing Test 90.0 via email in 1~3 business day valid
GB/T 8640-1988 Thermal sprayed metallic coatings; Rockwell hardness test 90.0 via email in 1~3 business day abolished
HB 5219.7-1998 Methods for Chemical Analysis of Magnesium Alloy- Determination of Manganese Content (Excluding Zirconium and Rare Earth) with Potassium Periodate Spectrophotometric Method 45.0 via email in 1~3 business day valid
YS/T 372.14-2006 Methods for elementary analysis of precious alloy -- Determination of magnesium content -- Potentiometer titration using potassium permanganate 60.0 via email in 1~3 business day valid
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