... A312M (SA312/SA312M) b) GOST (Russia) c) JIS (Japan) d) GB (China)3) Customized manufacture and OEM available4) Packing: Knitting bag or ... Composition: C 0.85, Si 0.38, Mn 0.35, P≤0.030, S≤0.030, Cr 4.10,W 6 ... Composition: C 0.93, Si 0.38, Mn 0.35, P≤0.030, S≤0.030, Cr 4.10,W 6 ... : C 1.10, Si 0.55, Mn 0.35, P≤0.030, S≤0.030, Cr 4.10,W 1 ... Composition: C 0.75, Si 0.35, Mn 0.35, P≤0.030, S≤0.030, Cr 4.05,W 18 ...