High-Speed Tool Steel
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 1.25 | 1.40 | ||
Si | 0.20 | 0.45 | ||
Mn | 0.15 | 0.40 | ||
P | - | 0.030 | ||
S | - | 0.030 | ||
Cr | 3.75 | 4.75 | ||
Mo | 4.25 | 5.50 | ||
V | 3.75 | 4.50 | ||
W | 5.25 | 6.50 | ||
Co | - | - |
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) |
---|---|---|---|---|---|---|
688 (≥) | 281 (≥) | 41 | 33 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 |
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 |
---|---|---|---|---|---|---|---|
868 (≥) | 421 (≥) | 31 | 33 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
261 | 872 | 787 |
We can customize the production of T11304 grade, contact us for the best solution.
–sales@specificsteel.com