PLASTIC MOULD STEEL P20+S
Chemical Composition
Element | Min | Max |
|---|---|---|
| Carbon | 0.35 | 0.45% |
| Manganese | 1.40 | 1.60% |
| Silicon | 0.30 | 0.50% |
| Molybdenum, Mo | 0.15 | 0.25% |
| Chromium,Cr | 1.80 | 2.00% |
| W | -- | -- |
| Vanadium, V | -- | -- |
| Co | -- | -- |
| Sulfur, S | 0.05 | 0.10 |
| Phosphorous, P | -.-- | 0.030 |
Physical Properties
Properties | Metric |
|---|---|
| Density | 7.85kg/cm3 |
Mechanical Properties
Properties | Metric | Imperial |
|---|---|---|
| Izod impact unnotched | 28.0 J | - |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elastic modulus | 190-210 GPa | 27557-30457 ksi |
Thermal Properties
Properties | Conditions T (°C) Treatment |
|---|---|
| Thermal expansion: 12 x 10-6/ºC | 20-100 |
Features
Heat Treatment
Forging
Annealing
Tempering
Nitriding
