Tool steels (ISO 4957:1999)
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.85 | 0.95 | ||
Si | 0.10 | 0.40 | ||
Mn | 1.90 | 2.10 | ||
P | - | 0.030 | ||
S | - | 0.030 | ||
Cr | 0.20 | 0.50 | ||
Mo | - | - | ||
V | 0.05 | 0.15 |
Tool steels (ISO 4957:1999)
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) |
---|---|---|---|---|---|---|
576 (≥) | 769 (≥) | 41 | 21 | 22 | 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 |
---|---|---|---|---|---|---|---|
339 (≥) | 772 (≥) | 43 | 42 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
666 | 991 | 271 |
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