... : C 1.50, Si 0.35, Mn 0.35, P≤0.030, S≤0.030, Cr 12.10, W ≤0.40,Mo 0.85 V 0.6Annealed Hardness ... Composition: C 0.93, Si 0.40, Mn 1.20, P≤0.030, S≤0. 030, Cr 0.50, W 0.50,Mo ≤0.30, V ≤0.30Annealed Hardness ... (JIS)Chemical Composition: C 0.98, Si 0.40, Mn 1.00, P≤0.030, S≤0. 030, Cr 1.00, W 1.40,Annealed Hardness: HB ...