USA ASTM SAE AMS 6525D (2012), HP 9-4-20 Specialsteel Steel, Bars, Forgings, Tubing, and Rings 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Consumable Electrode Vacuum Melted and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | HP 9-4-20 | Precipitation-Hardening | ASTM | USA | Steel, Bars, Forgings, Tubing, and Rings 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Consumable Electrode Vacuum Melted |
C | Si | Mn | Ni | Cr | Al | Cu | Ti | Fe | Mo | Co | V | P | S | W |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.17 -0.23 | ≤0.10 | ≤0.20 | ≤0.65 | ≤0.40 | 4.25 -4.75 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤0.85 | 8.50 -9.50 | 0.06 -0.12 | ≤0.01 | ≤0.01 | 0.90 -1.10 |
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) |
---|---|---|---|---|---|---|
556 (≥) | 478 (≥) | 31 | 21 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 323 |
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 | - | - | 0.33 | - | |||
493 | 952 | - | 34.3 | 211 | - | ||
888 | - | 33 | 34.2 | 112 | 332 |
Heat treated : 1917°C - 1183°C
Grade | Standard | Country | Application |
---|---|---|---|
HP-10 | |||
439 HP-10 | |||
AL 441HP | |||
HP 9-4-20 | |||
HP 9-4-25 | |||
HP 9-4-30 | |||
A709 Gr.HPS50W | |||
A709 Gr.HPS70W | |||
A709 Gr.HPS100W | |||
ASTM HP | |||
ASTM HP | |||
ASTM HP | |||
ASTM HP |
SAE AMS 6525D (2012) | Steel, Bars, Forgings, Tubing, and Rings 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Consumable Electrode Vacuum Melted | SAE-AMS-6525D-(2012).pdf |
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