Performance Characteristics:
Hot work mould steel, high strength ,high abrasion resistance
Applications:
Various large-sized mirror plastic mould, precision plastic mould, like cars accessies, home appliances, electronic equipment plastic mould.
Chemical Composition (%):
|
C |
Si |
Mn |
Cr |
Mo |
P |
S |
|
0.50-0.60 |
0.25-0.60 |
1.20-1.60 |
0.60-0.90 |
0.15-0.30 |
≤0.030 |
≤0.030 |
Process:
EAF+LF+VD+ Forged+ Heat Treatment
Inspection: ultrasonic test, according to SEP1921 D/d or as your requirements.
Steel Forge:
|
Iterm |
Heating Temperature |
Start Temperature (Forge) |
Finish Temperature |
Cooling Method |
|
Steel Ingot |
1140°C-1180°C |
1100°C-11500°C |
800-880°C |
cooling in hole or sand |
|
Steel Billet |
1100°C-1150°C |
1050°C-1100°C |
800-880°C |
cooling in hole or sand |
Heat Treatment Standard:
Quenching,820 ~ 850 centigrade cold oil.
