HIGH SPEED STEEL T42
Chemical Composition
Chemical Element | Min | Max |
|---|---|---|
| Carbon, C | 1.15 | 1.30 |
| Manganese (Mn) | -.-- | 0.40 |
| Silicon (Si) | -.-- | 0.40 |
| Molybdenum, Mo | 3.00 | 4.00 |
| Chromium (Cr) | 3.80 | 4.50 |
| W | 9.00 | 11.00 |
| V | 3.00 | 3.70 |
| Co | 9.00 | 11.00 |
Physical Properties
Physical Property | Value |
|---|---|
| Density | 2.79 g/cm³ |
| Melting Point | 640 °C |
| Thermal Expansion | 23.10 x10^-6 /K |
| Modulus of Elasticity | 73 GPa |
| Thermal Conductivity | 121-193 W/m.K |
Mechanical Properties
Mechanical Property | Value |
|---|---|
| Proof Stress | 270 MPa |
| Tensile Strength | 405 Min MPa |
| Elongation A5 | 12 Min % |
Features
Heat Treatment
Tempering
Soft Annealing
Hardening
Stress Relieving
Forging
