Ming Yuan Metal Products (Shanghai) Co., Ltd. Distribution 718s plastic mold steel; stainless steel; permeability steel; high-speed steel; spring steel; mold steel Hotline: 57888255; Fax: 57888225; Mobile: 15221352988; 

 718S steel pre-hardened pure uniform, about 1.0% nickel; for the high degree of polish within the module and the high demand for PA, POM, PS, PE, PP, ABS plastic, chipping resistance and wear good sexual performance ; Ya pressure plate, stretching, extrusion die. factory hardness: HB225 718S chemical composition (%): C: 0.38 Mo: 0.2 Mn: 1.4 Cr: 2.0 Ni: 1.0 Si: 0.3