1.4449 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Alloy Steel | 1.4449 | |||
X3CrNiMo 18-12-3 |
|||||
1.4024 |
|||||
1.4057 |
|||||
1.4558 |
|||||
1.4918 |
|||||
1.4912 |
|||||
1.4940 |
|||||
1.4959 |
|||||
1.4982 |
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1.4950 |
C |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni | Mo | Other |
---|---|---|---|---|---|---|---|---|
≤0.05 | 1.00 | 2.00 | 0.045 | 0.015 | 17.0-18.2 | 11.5-12.5 | 2.25-2.75 |
Cu ≤ 1.00 N ≤ 0.08 |
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) |
---|---|---|---|---|---|---|
651 (≥) | 324 (≥) | 22 | 14 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
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 |
---|---|---|---|---|---|---|---|
21 | - | - | 0.43 | - | |||
886 | 238 | - | 44.3 | 233 | - | ||
826 | - | 13 | 34.2 | 232 | 234 |
Heat treated : 1366°C - 1656°C
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