Germany DIN EN ISO 4957, 1.2895 Tool Die Steels Knife Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Tool Die Steels | 1.2895 | DIN | Germany | Knife Steel |
| C | Cr | Mo | W | V | Mn | Si | S |
|---|---|---|---|---|---|---|---|
| 1.10 -1.20 | 7.25 -8.50 | 1.50 -1.60 | 1.00 -1.50 | 1.95 -2.40 | 0.25 -0.40 | 0.90 -1.20 | ≤0.003 |
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 435 (≥) | 276 (≥) | 42 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 414 |
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.43 | - | |||
| 914 | 515 | - | 13.3 | 121 | - | ||
| 328 | - | 24 | 43.2 | 333 | 431 |
Heat treated : 1438°C - 1929°C
| EN ISO 4957 | Knife Steel | EN-ISO-4957.pdf |
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