Ming Yuan Metal Products (Shanghai) Limited trading as M238; plastic mold steel; stainless steel; permeability steel; high-speed steel; mold steel hotline; 57888255; Fax: 57888255; Mobile: 15221352988; 

 M238 ASSAB quality pre-hardened plastic mold steel, the steel for the P20 plus 1.1% nickel, steel surface to the center of uniform hardness, good cutting, EDM and polishing excellent performance, suitable for gasification, hard chrome plating and plating titanium. Uniform hardness and metallurgical structure, has a special heat treatment and hard to 30-34HRC, polishing good performance, easy to reach a mirror polished, low deformation after use, and the material used is high, reduce costs, the size required for high plastic mold, especially for electrical erosion operation. factory Status: Pre-hard to 980-1080N/mm2 (30-34HRC) 

 This has been heat-treated steel, even hardness, up to 278-311HB ,29-33HRC, mold never made variant, cutting and polishing performance for electrical erosion operation can be used as flame hardened, chrome plated and nitrided.