USA ASTM ASTM A458, AISI 650 Specialsteel Specification for Hot-Worked, Hot-Cold-Worked, and Cold-Worked Alloy Steel Bars for High Strength at Elevated Temperatures and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | AISI 650 | ASTM | USA | Specification for Hot-Worked, Hot-Cold-Worked, and Cold-Worked Alloy Steel Bars for High Strength at Elevated Temperatures |
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | Ti | W | N | Fe |
---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.12 | 0.50 -1.00 | 1.00 -2.00 | ≤0.02 | ≤0.01 | 15.00 -17.00 | 24.00 -27.00 | 5.50 -7.00 | ≤0.30 | ≤0.20 | ≤0.20 | 0.10 -0.20 | ≤ ≥ |
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) |
---|---|---|---|---|---|---|
364 (≥) | 921 (≥) | 14 | 41 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.12 | - | |||
375 | 416 | - | 44.3 | 411 | - | ||
134 | - | 42 | 43.2 | 244 | 233 |
Heat treated : 1342°C - 1784°C
ASTM A458 | Specification for Hot-Worked, Hot-Cold-Worked, and Cold-Worked Alloy Steel Bars for High Strength at Elevated Temperatures | ASTM-A458.pdf |
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