S7 Tool Steel Bar

C si mn cr mo v p s
0.45-0.55 0.20-1.00 0.20-0.90 3.00-3.50 1.30-1.80 max 0.35 max0.030 max0.030

Mechanical property
Annealing temperature: 815â°c-845 â°c
Hardness after annealing hbw: 187-233
Quenching temperature: 925â°c-955 â°c
Cooling medium: oil/ air cooling
Tempering temperature: 205â°c-620 â°c
Hardness after tempering hrc: 57-45

Located in chang'an town - the famous town of mould in pearl river delta;
Providing complete services from manufacturing and marketing to distributing;
Steel exported all over the world;
Service like peeling, milling, grinding, cutting and heat treatment etc...
All steel must pass high quality detection;
24/7 hours online service with quick response !