USA UNS SAE AMS 6431N (2012), D6AC Specialsteel Steel, Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.11V (0.45 - 0.50C) Vacuum Consumable Electrode Remelted and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | D6AC | Precipitation-Hardening | UNS | USA | Steel, Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.11V (0.45 - 0.50C) Vacuum Consumable Electrode Remelted |
C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | Mo | Co | V |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.47 | ≤0.22 | ≤0.75 | ≤ ≥ | ≤ ≥ | ≤0.55 | ≤1.05 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤remaining | ≤1.00 | ≤ ≥ | ≤0.10 |
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) |
---|---|---|---|---|---|---|
118 (≥) | 472 (≥) | 12 | 31 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
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 |
---|---|---|---|---|---|---|---|
34 | - | - | 0.21 | - | |||
554 | 295 | - | 24.3 | 123 | - | ||
843 | - | 31 | 31.2 | 221 | 244 |
Heat treated : 1288°C - 1996°C
SAE AMS 6431N (2012) | Steel, Bars, Forgings, and Tubing 1.05Cr - 0.55Ni - 1.0Mo - 0.11V (0.45 - 0.50C) Vacuum Consumable Electrode Remelted | SAE-AMS-6431N-(2012).pdf |
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