High-Speed Tool Steel
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 1.50 | 1.60 | ||
| Si | 0.20 | 0.40 | ||
| Mn | 0.10 | 0.40 | ||
| Cr | 4.00 | 4.75 | ||
| Mo | 3.00 | 3.50 | ||
| V | 4.75 | 5.25 | ||
| W | 6.25 | 6.75 | ||
| Co | 4.75 | 5.25 |
High-Speed Tool Steel
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 842 (≥) | 176 (≥) | 31 | 21 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 955 (≥) | 912 (≥) | 31 | 41 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 566 | 885 | 362 |
We can customize the production of M15 grade, contact us for the best solution.
–sales@specificsteel.com