Applications
- Molds for the plastics industry, especially for injection and extrusion.
- Mold bases and support parts.
- General machinery construction parts.
- Dies for zinc die casting.
Characteristics:
- Prehardened STD steel.
- Good machinability.
- Uniform hardness throughout the section.
- Good response to polishing and engraving.
- Moderate wear resistance.
- Can be case hardened and nitrided to improve surface resistance.
Chemical Composition
| Variant | %(C) Carbono | %(Mn) Manganeso | %(P) Fósforo | %(S) Azufre | %(Si) Silicio | %(Cr) Cromo | %(Mo) Molibdeno |
|---|---|---|---|---|---|---|---|
| P20 (Plates) | 0.28% - 0.40% | 0.60% - 1.00% | 0.030% Máximo | 0.030% Máximo | 0.20% - 0.80% | 1.40% - 2.00% | 0.30% - 0.50% |