USA ASTM SAE AMS 6439D (2011), D6AC Specialsteel Steel Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.42 - 0.48C) (D6AC) Consumable Electrode Vacuum Melted, Annealed and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | D6AC | Precipitation-Hardening | ASTM | USA | Steel Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.42 - 0.48C) (D6AC) Consumable Electrode Vacuum Melted, Annealed |
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) |
---|---|---|---|---|---|---|
798 (≥) | 351 (≥) | 31 | 43 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.44 | - | |||
229 | 964 | - | 12.3 | 111 | - | ||
746 | - | 33 | 41.2 | 422 | 232 |
Heat treated : 1335°C - 1524°C
SAE AMS 6439D (2011) | Steel Sheet, Strip, and Plate 1.05Cr - 0.55Ni - 1.0Mo - 0.12V (0.42 - 0.48C) (D6AC) Consumable Electrode Vacuum Melted, Annealed | SAE-AMS-6439D-(2011).pdf |
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