USA UNS SAE AMS-S-8949B (1998), D6AC Specialsteel Steel Bars, Plates, Sheets, Billets, and Reforging Stock Type D6AC 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, Plates, Sheets, Billets, and Reforging Stock Type D6AC |
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) |
---|---|---|---|---|---|---|
152 (≥) | 255 (≥) | 14 | 23 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
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 | - | - | 0.44 | - | |||
759 | 748 | - | 33.3 | 124 | - | ||
555 | - | 42 | 32.2 | 211 | 112 |
Heat treated : 1634°C - 1476°C
SAE AMS-S-8949B (1998) | Steel Bars, Plates, Sheets, Billets, and Reforging Stock Type D6AC | SAE-AMS-S-8949B-(1998).pdf |
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