... (JIS)Chemical Composition: C 1.50, Si 0.35, Mn 0.35, P≤0.030, S≤0.030, Cr 12 ... (JIS)Chemical Composition: C 1.60, Si 0.35, Mn 0.35, P≤0.030, S≤0.030, Cr 12 ... 7Cr7Mo2V2Si (GB)Chemical Composition: C 0.74, Si 1.10, Mn 0.45, P≤0.030, S≤0.030, Cr 7 ... (DIN))Chemical Composition: C 1.00, Si 0.40, Mn 0.75, P≤0.030, S≤0.030, Cr 5.10 ... SKS31(JIS)Chemical Composition: C 0.98, Si 0.40, Mn 1.00, P≤0.030, S≤0. 030, Cr 1 ...