France AFNOR NF EN 10090, X53CrMnNiN21-9 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 | X53CrMnNiN21-9 | AFNOR | France | Valve steels and alloys for internal combustion engines |
C | Si | Mn | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
0.48 -0.58 | ≤0.25 | 8.00 -10.00 | ≤0.045 | ≤0.030 | 20.00 -22.00 | 3.25 -4.50 | ≤ ≥ | 0.35 -0.50 |
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) |
---|---|---|---|---|---|---|
225 (≥) | 541 (≥) | 34 | 24 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
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 |
---|---|---|---|---|---|---|---|
32 | - | - | 0.21 | - | |||
515 | 196 | - | 42.3 | 433 | - | ||
477 | - | 11 | 44.2 | 114 | 122 |
Heat treated : 1259°C - 1467°C
Grade | Standard | Country | Application |
---|---|---|---|
X53CrMnNiN21-9 | |||
X53CrMnNiN21-9 |
NF EN 10090 | Valve steels and alloys for internal combustion engines | NF-EN-10090.pdf |
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