Grade |
Code |
AISI |
Cold Work Tool Steel |
1.2311 + QT |
40CrMnMo7 |
P20 |
Steel Properties
1.2311 + QT is a pre-hardened plastic mould steel which has good machinability, suitable for texturing, highly through hardenable.
Chemical Composition (1.2311 + QT)
C % |
Si % |
Mn % |
Cr % |
Mo % |
Ni % |
V % |
W % |
Co % |
Sonst. |
0,40 |
0,30 |
1,45 |
1,95 |
0,20 |
- |
- |
- |
- |
- |
Suitable for:
1.2311 + QT is used on plastic moulds, mould frames for plastic moulds and pressure casting moulds and recipient sleeves.
Remarks:
Better polishable than 1.2312. Preheating before use: 200 - 300 °C – is recommended. For material with a thickness > 400 mm we recommend 1.2738 (better trough hardenability)
Specification
1.2311 + QT, 40CrMnMo7, P20