SKT4 optimization of steel, SKT4 Japan forging tool steel, high purity, good thermal shock resistance of abrasion resistance. SKT4 can be used for hot forging die, hot die. SKT4 for the manufacture of thickness greater than 350mm, complex cavity, force load large or larger Chung forging die forging die forging presses. 

 SKT4 die steel details: Delivery condition EXECUTION (HB) Pre-hardened HB330-370 Chemical Composition% Carbon C: Chromium Cr: Manganese Mn: Si Si: - Mo Mo: V V: - Ni-Ni: W W: - Characteristics CHARACTERISTICS material by the "ultra-pure" production process of production, pre-hardened, high purity, good uniformity, excellent polishing and photo-etching of use for the production of medium and large injection mold APPLICATIONS, mirror polishing requirements of the plastic mold for PA , POM, PS, PE, PP, ABS plastic, injection molding, blow mold