High-Speed Tool Steel
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.75 | 0.85 | ||
Si | 0.20 | 0.45 | ||
Mn | 0.15 | 0.40 | ||
P | - | 0.030 | ||
S | - | 0.030 | ||
Cr | 3.75 | 4.50 | ||
Mo | 4.50 | 5.50 | ||
V | 1.30 | 1.70 | ||
W | 3.75 | 4.75 | ||
Co | 11.00 | 13.00 |
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) |
---|---|---|---|---|---|---|
545 (≥) | 717 (≥) | 22 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
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 |
---|---|---|---|---|---|---|---|
563 (≥) | 327 (≥) | 43 | 31 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
295 | 731 | 144 |
We can customize the production of M6 grade, contact us for the best solution.
–sales@specificsteel.com