Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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 3249-2009 Test method for fisher number of metal powders and related compounds 120.0 via email in 1~3 business day valid
GB/T 1481-2012 Metallic powders (excluding powders for hardmetals) - Determination of compressibility in uniaxial compression 140.0 via email in 1~3 business day valid
GB/T 20255.4-2006 Methods for chemical analysis of hardmetals - Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium contents - Flame atomic absorption spectrometric method 75.0 via email in 1~3 business day valid
YS/T 424.1-2000 Methods for chemical analysis of titanium diboride powder - Determination of titanium content 30.0 via email in 1~3 business day valid
GB/T 5158.2-2011 Metallic powders—Determination of oxygen content by reduction methods—Part 2:Loss of mass on hydrogen reduction(hydrogen loss) 170.0 via email in 1~3 business day valid
GB/T 5158.4-2011 Metallic powders - Determination of oxygen content by reduction methods - Part 4: Total oxygen by reduction-extraction 140.0 via email in 1~3 business day valid
GB/T 3849.2-2010 Hardmetals—Rockwell hardness test (scale A)—Part 2:Preparation and calibration of standard test blocks 170.0 via email in 1~3 business day valid
YS/T 422.1-2000 Methods for chemical analysis of chromium carbide - Determination of chromium content 30.0 via email in 1~3 business day valid
GB/T 20255.5-2006 Methods for chemical analysis of hardmetals - Determination of chromium content - Flame atomic absorption spectrometric method 90.0 via email in 1~3 business day valid
GB/T 31909-2015 Permeable sintered metal materials―Determination of the air permeability 90.0 via email in 1~3 business day valid
YS/T 56-2012 Metallic powders-Derermination of the angle of repose 180.0 via email in 1~3 business day valid
GB/T 19077.1-2003 Particle size analysis-Laser diffraction method 675.0 via email in 1~8 business day superseded
GB/T 1479.2-2011 Metallic powders—Determination of apparent density—Part 2:Scott volumeter method 110.0 via email in 1~3 business day valid
YS/T 1009-2014 105.0 via email in 1~3 business day valid
GB/T 3488.1-2014 Hardmetals―Metallographic determination of microstructure―Part 1:Photomicrographs and description 150.0 via email in 1~3 business day valid
YS/T 423.1-2000 Methods for chemical analysis of nuclear-grade boron carbide powder - Determination of total boron content 45.0 via email in 1~3 business day valid
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