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Quenching and Tempering specification: Preheat temperature 790° C, Quenching Temperature 1000° C(Salt bath) or 1010° C(Controlled atmosphere), heat preservation 5~15min, then air cooling; Tempering temperature 550° C, hardness≥ 60HRC.
Gas nitriding and gas nitrocarburizing specification:
Technical requirements: Hardness> 1000HV, Depth 0.10 ~ 0.20mm, Nitriding temperature of 530 ~ 550° C, the gas ratio is 100% ammonia, ammonia decomposition rate is 30% ~ 40%, holding time 10 ~ 20h, can be used for die casting die, hot forging die, hot extrusion die, warm extrusion die
China hot work tool steel(H11/1.2343/SKD6)