France AFNOR Z40CSD10 Steel Exhaust Valves and Z40CSD10 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Valve Steel | Z40CSD10 | AFNOR | France | Steel Exhaust Valves | 
| Z12CKNDWNb21-20-20 | |||||
| Z20CN21-12Az | |||||
| Z25CNWS20-09 | |||||
| Z35CNWS14-14 | |||||
| Fe-Ni36 | |||||
| 45SiCr90 | |||||
| 45WNiCrl80 | |||||
| 53NNiMnCr210 | |||||
| 80SiNiCr200 | |||||
| 80SiNiMoWCr15 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | 
|---|---|---|---|---|---|---|---|
| 0.35-0.45 | 2.00-3.00 | Max 0.80 | Max 0.040 | Max 0.030 | 9.50-11.5 | Max 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) | 
|---|---|---|---|---|---|---|
| 763 (≥) | 238 (≥) | 23 | 12 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 24 | - | - | 0.33 | - | |||
| 524 | 996 | - | 22.3 | 434 | - | ||
| 345 | - | 21 | 41.2 | 214 | 413 | 
Heat treated : 1347°C - 1119°C
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