1.4870
France AFNOR 1.4870 Valve Internal Combustion Engines steel (NF-EN 1009-1998) and 1.4870 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category
- Stainless Steel
- Tool Steel
- Carbon Steel
- Alloy Steel
- Mould Steel
- Ti Alloy
- High Alloy
- Structure Steel
- Tool Steel And Hard Alloy
- Special Steel
- Heat-Resistant Steel
- Boiler & Pressure Vessel Plate
- Valve Steel
- Special Alloy
- Tool Die Steels
- Superalloys
- Non-Magnetic Steel
- Caststeel
- Specialsteel
- Steels of Blade for Steam Turb
AFNOR 1.4870 AFNOR 1.4870 Datasheet
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Valve Steel | 1.4870 | AFNOR | France | Valve Internal Combustion Engines steel (NF-EN 1009-1998) |
| 1.4718 |
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| X33CrNiMnN23-8 |
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| 1.4866 |
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| X53CrMnNiN21-9 |
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| 1.4871 |
|||||
| X55CrMnNiN20-8 |
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| 1.4875 |
|||||
| X50CrMnNiNbN21-9 |
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| 1.4882 |
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| X53CrMnNiNbN21-9 |
Datasheet for:Steel Grades:Valve Steel:1.4870
Chemical composition(mass fraction)(wt.%) of the 1.4870
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | N(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|
| 0.48-0.58 | Max 0.45 | 8.00-10.0 | Max 0.045 | Max 0.030 | 20.0-22.0 | 3.25-4.50 | 0.38-0.50 | C+N Max 0.90 |
Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1.4870
| 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) |
|---|---|---|---|---|---|---|
| 177 (≥) | 833 (≥) | 44 | 31 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
| 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 |
|---|---|---|---|---|---|---|---|
| 23 | - | - | 0.32 | - | |||
| 829 | 788 | - | 44.3 | 211 | - | ||
| 333 | - | 12 | 22.2 | 333 | 121 |
Heat treated : 1846°C - 1819°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| 1.4870 | DIN | Germany | Valve steel |
| 1.4870 | AFNOR | France | Valve Internal Combustion Engines steel (NF-EN 1009-1998) |
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