... strength at elevated temperatures 3)High hot wear resistance 4)Good toughness 1.2344/H13/SKD61 ... .23448407SKD61 3.Delivery condition Conventional or ESR, hot rolling or forging, black surface or millingHardness: ... .80-1.20, Mn: 0.55~0.75, P: <0.030, S: 0.10-0.15, ... .80-1.20, Mn: 0.55~0.75, P: <0.030, S: 0.10-0.15, ... : 0.17~0.35, Mn: 0.50~0.75, P: ≤0.018, S: ≤0.010, Cr: ≤0 ...