Tool Steel Bar Brand: W1-7,W5,L1,7, F1, ... X30WCrV93, 40CrMnMo7 et We are professional of supplying Tool steel bar by standard ASTM A600,A681,A686, DIN 17350,GB/T1298, ... 1299,99431.Standard:ASTM A600,A681,A686, DIN 17350,GB/T1298,1299,99432 ... .Type:By ASTM:W1-7,W1A-8,W1-9,W2-9.5, ... .Size: Dia 1-400mm 4.Packing: exporting packing Tool Steel Bar