SKS51M Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Tool Steel | SKS51M | |||
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 |
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SKS7M |
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
---|---|---|---|---|---|---|
0.75-0.85 | 0.35 | 0.5 | 0.03 | 0.03 | 0.2-0.5 | 1.3-2.0 |
Mo | Al | Cu | Nb | Ti | V | W |
≤0.25 | ||||||
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) |
---|---|---|---|---|---|---|
923 (≥) | 881 (≥) | 23 | 41 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 |
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 |
---|---|---|---|---|---|---|---|
34 | - | - | 0.41 | - | |||
779 | 241 | - | 12.3 | 111 | - | ||
367 | - | 12 | 34.2 | 321 | 332 |
Heat treated : 1816°C - 1697°C
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