... cutter for industrial machine 3.24-year work experience in this line Operatinal Progress:Steel-making→→Blanking→→Forging Steel ... -developed H13k, HMB and HMK high various alloy steel 11.High intensity, high hardness, high toughness, ... hardenability, etc. 12.Widely used in industries of steel, rubber, papermaking, and so on. 13.Each ... wear resistance, high toughness and so on. steel plate roller