Germany DIN 1.4881 Valve steel and 1.4881 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Steel | 1.4881 | DIN | Germany | Valve steel |
1.4866 |
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X33CrNiMnN23-8 |
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1.4870 |
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X53CrMnNiNbN21-9 |
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X53CrMnNiN21-9 |
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1.4871 |
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1.4873 |
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X45CrNiW18-9 |
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X55CrMnNiN20-8 |
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1.4875 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | N(%) |
---|---|---|---|---|---|---|---|
0.65-0.75 | Max 0.80 | 5.50-7.00 | Max 0.050 | Max 0.02-0. | 20.00-22.00 | 1.40-1.90 | 0.18-0.28 |
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) |
---|---|---|---|---|---|---|
367 (≥) | 825 (≥) | 14 | 12 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 |
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 | - | - | 0.24 | - | |||
542 | 987 | - | 23.3 | 423 | - | ||
637 | - | 11 | 13.2 | 123 | 343 |
Heat treated : 1436°C - 1113°C
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