HOT WORK TOOL STEEL AND A PROCESS FOR MAKING A HOT WORK TOOL STEEL

摘要

A low chromium hot work tool steel consisting of (in wt %): C 0.08 0.40 N 0.015 0.30 C +N 0.30 0.50 Cr 1 4 Mo 1.5 3 V 0.8 1.3 Mn 0.5 2 Si 0.1 0.5 optionally Ni 3 Co =5 B 0.01 Fe balance apart from impurities and A process for making a low chromium hot work tool steel article having increased tempering resistance.