USA AISI R30155 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | R30155 | AISI | USA | Steel for exhaust valves |
C | Si | Mn | P | S | Cr | Ni | Mo |
---|---|---|---|---|---|---|---|
0.10 - ≥ | 0.50 - ≥ | 1.50 - ≥ | ≤ ≥ | ≤ ≥ | 21.3 - ≥ | 20.0 - ≥ | 3.00 - ≥ |
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) |
---|---|---|---|---|---|---|
444 (≥) | 755 (≥) | 23 | 42 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.23 | - | |||
587 | 125 | - | 43.3 | 341 | - | ||
751 | - | 23 | 11.2 | 111 | 314 |
Heat treated : 1795°C - 1453°C
Grade | Standard | Country | Application |
---|---|---|---|
SAE HEVl | |||
SAE HEVl | |||
R30155 | |||
R30155 | |||
UNS R30155 | |||
UNS R30155 |
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