France AFNOR NF A 35-579, Z45CS9 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 | Z45CS9 | AFNOR | France | Valve steels and alloys for internal combustion engines |
C | Si | Mn | P | S | Cr | Ni | Mo |
---|---|---|---|---|---|---|---|
0.40 -0.50 | 2.70 -3.30 | ≤0.80 | ≤0.040 | ≤0.030 | 8.00 -10.00 | ≤ ≥ | ≤ ≥ |
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) |
---|---|---|---|---|---|---|
965 (≥) | 888 (≥) | 43 | 44 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
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 |
---|---|---|---|---|---|---|---|
42 | - | - | 0.23 | - | |||
227 | 984 | - | 13.3 | 332 | - | ||
697 | - | 11 | 31.2 | 341 | 441 |
Heat treated : 1181°C - 1716°C
Grade | Standard | Country | Application |
---|---|---|---|
Z45CS9 |
NF A 35-579 | Valve steels and alloys for internal combustion engines | NF-A-35-579.pdf |
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