Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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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 1009-2014 105.0 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
YS/T 904.5-2013 Methods for Chemical Analysis of Iron-Chromium-Aluminum Fiber - Part 5: Determination of Carbon and Sulfur Content - High-frequency Infrared Absorption Method 120.0 via email in 1~3 business day valid
YS/T 423.2-2000 Methods for chemical analysis of nuclear-grade boron carbide powder - Determination of total carbon content 30.0 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
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
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 20255.6-2008 Methods for chemical analysis of hardmetals - Flame atomic absorption spectrometry - General requirements 85.0 via email in 1~3 business day valid
GB/T 34643-2017 Sintered metal porous materials - Determination of air filter permeability 150.0 via email in 1~3 business day valid
GB/T 11108-2017 Test method for thermal diffusivity of hardmetal 100.0 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 5159-2015 Metallic powders,excluding powders for hardmetals―Determinationof dimensional changes associated with compacting and sintering 150.0 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
GB/T 11105-2012 Metallic powder—Rattle test for the green compacts 110.0 via email in 1~3 business day valid
YS/T 423.5-2000 Methods for chemical analysis of nuclear-grade boron carbide powder—Determination of oxygen content 75.0 via email in 1~3 business day valid
YS/T 1010-2014 105.0 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 5158.1-2011 Metallic powders - Determination of oxygen content by reduction methods - Part 1: General guidelines 85.0 via email in 1~3 business day valid
GB/T 1479.1-2011 Metallic powders—Determination of apparent density—Part 1:Funnal method 170.0 via email in 1~3 business day valid
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