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YB/T 148-2015 Test method for the content of total iron in steel slag via email in VALID please email coc@codeofchina.com for quotation
YB/T 4206-2009 Cold-formed steel of transmission towers via email in VALID please email coc@codeofchina.com for quotation
YBB00142002-2015 via email in 1 business day VALID please email coc@codeofchina.com for quotation
YBB00102002 via email in 1 business day SUPERSEDED please email coc@codeofchina.com for quotation
YB/T 5238-2005 Iron-nickel alloy 4J58 of permanent expansion for line rules 75 (USD) via email in 1-3 business day VALID
YB/T 4142-2006 420 (USD) via email in 1-3 business day VALID
YB/T 4397-2014 via email in VALID please email coc@codeofchina.com for quotation
YB 1507-1977 45 (USD) via email in 1-3 business day ABOLISHED
YB/T 5101-1993 Piano wire 90 (USD) via email in 1-3 business day ABOLISHED
YB/T 140-2009 Methods of chemical analysis of steel slag via email in VALID please email coc@codeofchina.com for quotation
YB/T 505.4-2007 75 (USD) via email in 1-3 business day VALID
YB/T 081-1996 Rule for rounding off of numberical values and judgement of testing values for technical standards of metallurgy 75 (USD) via email in 1-3 business day ABOLISHED
YB/T 4437-2014 via email in VALID please email coc@codeofchina.com for quotation
YB/T 5365-2006 Hot-rolled wire rod for quenched and tempered springs 150 (USD) via email in 1-3 business day VALID
YB 797-1971 via email in ABOLISHED please email coc@codeofchina.com for quotation
YB 9076-1997 via email in VALID please email coc@codeofchina.com for quotation
YB/T 4137-2005 Low welding crack susceptibility high strength steel plates 105 (USD) via email in 1-3 business day ABOLISHED
YB/T 5053-1997 Graphite anode 224 (USD) via email in 1 business day SUPERSEDED
YB/T 5179-2005 Bauxite clinker 60 (USD) via email in 1-3 business day VALID
YBB00022002-2015 via email in 1 business day VALID please email coc@codeofchina.com for quotation
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