S7 cold working tool steel is a high toughness wear-resistant non-deformation chromium molybdenum steel, the chromium content of the steel is about 5%, the mold edge has good damage resistance, good hardenability, uniform carbide distribution, has a certain impact load and better wear resistance and air quenching performance, air quenching size deformation is small, carbide is uniform and fine, so the wear resistance is very good.

Chemical composition of S7 cold working tool steel

S7 cold used as tool steel

S7 die steel is mainly used in stamping die, precision stamping die, cold work forming die, cold drawing die, forming roll, punch, drawing die, crimping die, embossing die, wire cutting precision punching die and stamping die for various purposes, plastic deformation tools of difficult materials, cold forging die, deep drawing die and rolling die.

It is used in stamping die, cutting die, cutting die, decoration die, pneumatic tool, hand tool, cutter, knife, decoration tool, cold drill, scissors, stamping die and other hardware die and plastic die. The correct heat treatment can achieve the ultra-high strength of HRC55-57.