France AFNOR NF EN 10090, X33CrNiMnN23-8 Specialsteel Valve steels and alloys for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X33CrNiMnN23-8 | AFNOR | France | Valve steels and alloys for internal combustion engines |
| C | Si | Mn | P | S | Cr | Ni | Mo | W | N |
|---|---|---|---|---|---|---|---|---|---|
| 0.28 -0.38 | 0.50 -1.50 | 1.50 -3.50 | ≤0.045 | ≤0.030 | 22.00 -24.00 | 7.00 -9.00 | ≤0.50 | ≤0.50 | 0.25 -0.35 |
| 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) |
|---|---|---|---|---|---|---|
| 961 (≥) | 586 (≥) | 31 | 13 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 |
| 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 | - | - | 0.24 | - | |||
| 978 | 165 | - | 32.3 | 322 | - | ||
| 711 | - | 22 | 24.2 | 212 | 343 |
Heat treated : 1612°C - 1886°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| X33CrNiMnN23-8 | |||
| X33CrNiMnN23-8 |
| NF EN 10090 | Valve steels and alloys for internal combustion engines | NF-EN-10090.pdf |
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com