... 1.50, Si 0.35, Mn 0.35, P≤0.030, S≤0.030, Cr 12.10, W ≤0.40,Mo ... C 1.60, Si 0.35, Mn 0.35, P≤0.030, S≤0.030, Cr 12.00, Mo 0. ... .030, Cr 7.10, W ≤0.50,Mo 2.10, V 1.80Annealed Hardness: HB≤255Heat treatment temp: Hardening 1100 ... P≤0.030, S≤0.030, Cr 5.10, Mo 1.10, V 0.30Annealed Hardness: HB≤235Heat treatment temp: ... , S≤0. 030, Cr 0.50, W 0.50,Mo ≤0.30, V ≤0.30Annealed Hardness: HB≤217Heat treatment ...