... Composition: C 0.74, Si 1.10, Mn 0.45, P≤0.030, S≤0.030, Cr 7.10, W ≤0.50,Mo 2.10, V ... 1.80Annealed Hardness: HB≤255Heat treatment temp: Hardening 1100-1150 Temperings 530Secondary 61-63 HRCApplication: Steel for ... temp: Hardening 800-830 Temperings 200Secondary 60-62 HRCApplication: Steel for pressing mold, ornaments pressing mold High Speed Steel Sheet