USA SAE SAE J 775 (2004), SUH 11M Specialsteel Engine poppet valve information report and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SUH 11M | Precipitation-Hardening | SAE | USA | Engine poppet valve information report |
C | Si | Mn | Cr | Ni | Mo | Co | W | Al | Cu | Ti | Fe | P | S |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.47 -0.55 | 1.00 -2.00 | ≤0.60 | 7.50 -9.50 | ≤0.60 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤0.03 | ≤0.03 |
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) |
---|---|---|---|---|---|---|
554 (≥) | 244 (≥) | 21 | 31 | 41 | 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 |
---|---|---|---|---|---|---|---|
42 | - | - | 0.43 | - | |||
399 | 731 | - | 43.3 | 242 | - | ||
557 | - | 22 | 11.2 | 244 | 221 |
Heat treated : 1592°C - 1819°C
SAE J 775 (2004) | Engine poppet valve information report | SAE-J-775-(2004).pdf |
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