HIGH SPEED STEEL M35
Chemical Composition
Element | Min | Max |
|---|---|---|
| Carbon, C | 0.80 | 0.90 |
| Manganese, Mn | -.-- | 0.40 |
| Silicon, Si | -.-- | 0.40 |
| Molybdenum, Mo | 4.80 | 6.20 |
| Chromium,Cr | 3.80 | 4.50 |
| V | 1.70 | 2.30 |
| W | 5.50 | 6.70 |
| Co | 4.50 | 5.50 |
Physical Properties
TEMPERATURE °C / °F | ||||
|---|---|---|---|---|
| 20 / 70 | 400 / 750 | 600 / 1110 | ||
| DENSITY | Kg/m3, lbs/in3 | 8150.294 | 8050.29 | 7990.228 |
| MODULUS OF ELASTICITY | kN/mm32, psi | 65.2 | 65.2 | |
| COEFFICIENT OF THERMAL EXPANSION FROM 20°C / 70°F | per °C | - | 11.6 x 10^-6 | 11.9 x 10^-6 |
| per °F | - | 6.4 x 10^-6 | 6.6 x 10^-6 | |
| THERMAL CONDUCTIVITY | W/m °C | 24 | 28 | 27 |
| Btu/sq. ft. h °F/in. | 166 | 194 | 187 | |
| SPECIFIC HEAT | J/kg °C | 420 | 510 | 600 |
| Btu/lb °F | 0.1 | 0.12 | 0.14 |
Mechanical Properties
Mechanical properties | Metric | Imperial |
|---|---|---|
| Hardness, Rockwell C (oil quenched from 1232°C, 5 mins) | 64.8 | 64.8 |
| Hardness, Rockwell C (oil quenched from 1177°C, 5 mins) | 65.2 | 65.2 |
| Hardness, Rockwell C (oil quenched from 1204°C, 5 mins) | 65.2 | 65.2 |
| Modulus of elasticity | 207 GPa | 30000 ksi |
| Machinability (1% carbon steel) | 45.0 - 50.0% | 45.0 - 50.0% |
Thermal Properties
Thermal properties | Metric | Imperial |
|---|---|---|
| CTE, linear (@21 - 399°C / 69.8 - 750°F) | 11.4 μm/m°C | 6.33 μin/in°F |
| CTE, linear (@21 - 593°C /69.8 - 1100°F) | 11.5 μm/m°C | 6.39 μin/in°F |
Features
Heat Treatment
Tempering
Annealing
Hardening
Stress Relieving
