Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YB/T 5298-2009 Pitch coke-Sampling and preparation of samples 174.0 via email in business day valid
GB/T 5682-2015 Ferroboron 70.0 via email in 1~3 business day valid
SN/T 1427-2004 Determination of silicon,iron,phosphorus in manganese metal—Inductively coupled plasma atomic emission spectrometry 90.0 via email in 1~3 business day valid
GB/T 28372-2012 Ferroalloys - Sampling and preparation of samples-General rules 240.0 via email in 1~3 business day valid
YB/T 008-1997 Vanadium slag 90.0 via email in 1~3 business day abolished
GB/T 25050-2010 Ferronickel ingots or pieces—Sampling for analysis 315.0 via email in 1~3 business day valid
GB/T 2774-1991 Manganese metal 45.0 via email in 1~3 business day superseded
GB/T 3648-2013 Ferrotungsten 150.0 via email in 1~3 business day valid
GB/T 18249-2000 Ferroalloys-Experimental methods for checking the bias of sampling and sample preparation 210.0 via email in 1~3 business day valid
GB/T 2774-2006 Manganese metal 120.0 via email in 1~3 business day valid
YB/T 5051-1997 Calcium silicon alloy 60.0 via email in 1~3 business day superseded
GB/T 4008-2008 Ferromanganese-silicon 150.0 via email in 1~3 business day valid
GB/T 3648-1996 Ferrotungsten 90.0 via email in 1~3 business day superseded
GB/T 19743-2018 Water-atomized pure iron powder and alloyed steel powder for powder metallurgy via email in business day to be valid
GB/T 3795-1996 Ferromanganese 75.0 via email in 1~3 business day abolished
GB/T 2272-2009 Ferrosilicon 80.0 via email in 1 business day valid
GB/T 5683-2008 Ferrochromium 120.0 via email in 1~3 business day valid
YB/T 065-1995 Silicon-aluminium alloy 60.0 via email in 1~3 business day abolished
GBN 108-1981 via email in business day valid
GB/T 28369-2012 Ferroalloys—Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling 200.0 via email in 1~3 business day valid
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