Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 2272-2009 Ferrosilicon 80.0 via email in 1~2 business day valid
GBN 172-1982 via email in business day superseded
YB/T 5051-2007 Calcium silicon 60.0 via email in 1~3 business day superseded
GB/T 4139-2012 Ferrovanadium 170.0 via email in 1~3 business day valid
GB/T 5683-2008 Ferrochromium 120.0 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 28908-2012 High-purity chromium metal 200.0 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
YB/T 4239-2010 Ferrosilicon nitride 480.0 via email in 1~3 business day valid
GB/T 3649-1987 Ferromolybdenum 15.0 via email in 1~3 business day superseded
YB/T 067-1995 Silicon-calcium-barium-aluminium alloy 60.0 via email in 1~3 business day superseded
YB/T 5304-2011 Vanadium pentoxide via email in business day valid
YB/T 053-2000 Cored wires via email in business day superseded
GB/T 3795-1996 Ferromanganese 75.0 via email in 1~3 business day superseded
GB/T 25050-2010 Ferronickel ingots or pieces—Sampling for analysis 315.0 via email in 1~3 business day valid
GB/T 7737-1997 Ferroniobium 30.0 via email in 1~3 business day superseded
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 4138-1993 Rare-earth ferrosilicomagnesium 180.0 via email in business day abolished
YB/T 051-2003 Electrolytic manganese metal 75.0 via email in 1~3 business day superseded
GB/T 28371-2012 Ferroalloys - Experimental methods for checking the precision of sample division 110.0 via email in 1~3 business day valid
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