SKS7M Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Tool Steel | SKS7M | |||
| SK95M |
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| SK4M |
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| SK85M |
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| SK5M |
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| SK75M |
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| SK6M |
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| SK65M |
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| SK7M |
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| SKS2M |
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| SKS5M |
|
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 1.1-1.2 | 0.35 | 0.5 | 0.03 | 0.03 | 0.2-0.5 | ≤0.25 |
| Mo | Al | Cu | Nb | Ti | V | W |
| ≤0.25 | ≤0.2 | 2.0-2.5 | ||||
| N | Co | Pb | B | Other | ||
| 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) |
|---|---|---|---|---|---|---|
| 919 (≥) | 667 (≥) | 41 | 13 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.21 | - | |||
| 353 | 376 | - | 34.3 | 332 | - | ||
| 697 | - | 23 | 32.2 | 124 | 232 |
Heat treated : 1537°C - 1827°C
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