Germany DIN 1.4873 Valve steel and 1.4873 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Steel | 1.4873 | DIN | Germany | Valve steel |
| X85CrMoV18-2 |
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| 1.4748 |
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| 1.4785 |
|||||
| X60CrMnMoVNbN21-10 |
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| 1.4866 |
|||||
| X33CrNiMnN23-8 |
|||||
| 1.4870 |
|||||
| X53CrMnNiNbN21-9 |
|||||
| X53CrMnNiN21-9 |
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| 1.4871 |
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | W(%) |
|---|---|---|---|---|---|---|---|
| 0.40-0.50 | 2.00-3.00 | 0.80-1.50 | Max 0.045 | Max 0.030 | 17.00-19.00 | 8.00-10.00 | 0.80-1.20 |
| 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) |
|---|---|---|---|---|---|---|
| 937 (≥) | 255 (≥) | 21 | 31 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
| 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 |
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.12 | - | |||
| 541 | 993 | - | 24.3 | 312 | - | ||
| 117 | - | 44 | 33.2 | 441 | 223 |
Heat treated : 1517°C - 1223°C
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