What is S7 steel made of?

S7 die steel is heavy load impact resistant tool steel and medium carbon alloy steel. High strength S7 material has high chromium content, good tempering resistance and high temperature oxidation resistance. In addition, the steel also has excellent wear resistance, excellent etching processing, excellent wire cutting and excellent impact toughness properties. After annealing and softening, the original structure of rolled bar is F+C, which must be used after heat treatment.

Chemical Composition:

Chemical composition of S7 ESR die steel

C0.51 Si0.3 Mn0.66 Cr3.18 Mo1.4 V0.23

USES:

High strength impact resistant cold working die steel grade S7 steel is suitable for heavy load bearing die steel; Thermosetting plastic mold, high temperature thermosetting plastic mold; Fixed mold and moving mold inserts; Cold stamping die with high wear resistance, high toughness and high hardness.