France AFNOR NF A 35-579, Z40CSD10 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 | Z40CSD10 | AFNOR | France | Valve steels and alloys for internal combustion engines |
C | Si | Mn | P | S | Cr | Ni | Mo |
---|---|---|---|---|---|---|---|
0.35 -0.45 | 2.00 -3.00 | ≤0.80 | ≤0.040 | ≤0.030 | 9.50 -11.50 | ≤0.50 | 0.80 -1.30 |
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) |
---|---|---|---|---|---|---|
882 (≥) | 111 (≥) | 22 | 33 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 |
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 | - | - | 0.32 | - | |||
244 | 272 | - | 33.3 | 241 | - | ||
218 | - | 43 | 32.2 | 221 | 232 |
Heat treated : 1923°C - 1363°C
Grade | Standard | Country | Application |
---|---|---|---|
Z40CSD10 |
NF A 35-579 | Valve steels and alloys for internal combustion engines | NF-A-35-579.pdf |
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