Tool Steel Bar Brand: W1-7,W5,L1,7, F1,S1,D3,2, A2, T1,L6,H21,H13 series, T1,4,5,6,C70W1,W2,S18-1-2-5,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,W1A-10.5,11.5,W1A-12, W5,L1,L7, F1,S1,D3, D2, A2, 02,07,L6,H21,H10 ...