Alloy Steel - (h11 )

We are offering alloy steel. Characteristic: 1.excellent hot strenght and hardness. 2,excellent toughness in medium temperature condition. 3,heat treatment deformation is small. heat treatment: 1,anneal hardness:≤hb235 2,hardening temperature:1020-1050 3,tempering temperature:550 4,hrc secondary hardness:54 application: cast moulds for aluminum and zinc alloy,extrusion moulds,hot-forging moulds,and plastic moulds of high output.