hardened and tempered steel strips/coils/sheet cold rolled annealed steel strips/coils/sheet *C67S,C70S,C75S (CK75/AISI 1075) C100S high carbon spring steel strip C45, C50S,C55S,C60S medium carbon steel strip 50CrV4,51CrV4,60Si2Mn,75Cr1 alloy steel strip SK4(AISI 1095), SK5(AISI 1085) tool steel strip Specification thickness: 0.1-6.0mm, width: 6-510mm