Selection and Heat Treatment of Die Casting Mold Materials

  

1. Material requirements for parts in contact with molten metal

a. Has good forge ability and cutting performance.

b. It has high red hardness at high temperature, high temperature strength, high temperature hardness, anti-tempering stability and impact toughness.

c. Has good thermal conductivity and thermal fatigue resistance

d. Has sufficient high temperature oxidation resistance

e. The coefficient of thermal expansion is small.

f. Has high wear resistance and corrosion resistance

g. Has good hardenability and small heat treatment deformation rate

   

2. Requirements for materials used in sliding fit parts

a. Has good wear resistance and proper strength

b. Proper hardenability and small heat treatment deformation rate

   

3. Requirements for materials used in sets of boards and support boards

a. Have sufficient strength and rigidity

b. Easy to cut and process.

c. Not easy to deform during use