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HP 9-4-20
HP 9-4-20 material is AMS 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 AMS SAE AMS 6525 This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings. AMS AMS 6523 This specification covers a premium aircraft-quality, low-alloy steel in the form of sheet, strip, and plate. Steel, Bars, Forgings, Tubing, and Rings 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Consumable Electrode Vacuum Melted.
Chemical composition of HP 9-4-20, HP 9-4-20 mechanical properties, HP 9-4-20 datasheet, HP 9-4-20 equivalent grade, Heat treatment and temperature process of HP 9-4-20.
HP 9-4-20 property sheet
HP 9-4-20 Spec.
| AMS 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 |
| AMS SAE AMS 6525 This specification covers a premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings. |
| AMS AMS 6523 This specification covers a premium aircraft-quality, low-alloy steel in the form of sheet, strip, and plate. |
Related Materials
| A 646 Grade HP 9-4-20 |
| HP 9-4-20 |
| HP 9-4-20 |
| HP 9-4-20 |
| HP 9-4-20 |
| HP 9-4-25 |
| HP 9-4-25 |
| A 646 Grade HP 9-4-30 |
| HP 9-4-30 |
| HP 9-4-30 |
| HP 9-4-30 |
| HP 9-4-30 |
Chemical Composition of HP 9-4-20
| C: | 0.17 | 0.23 |
| Si: | Max | 0.20 |
| Mn: | 0.20 | 0.40 |
| Ni: | Max | 0.65 |
| Cr: | 0.65 | 0.85 |
| Mo: | 0.90 | 1.10 |
| Ni: | 8.50 | 9.50 |
| V: | 0.06 | 0.12 |
| P: | Max | 0.01 |
| S: | Max | 0.01 |
| Cu: | Max | 0.35 |
| Co: | 4.25 | 4.75 |
Mechanical Properties of HP 9-4-20
| Rp0.2 (MPa) | 824 (≥) |
| Rm (MPa) | 556 (≥) |
| AKV (J) | 32 |
| A (%) | 32 |
| Z (%) | 24 |
| Hardness | HBW 211 |
HP 9-4-20 shape and dimensions
| HP 9-4-20 Round bar: | 1mm-800mm |
| HP 9-4-20 Square bar: | 10mm * 10mm-600mm *600mm |
| HP 9-4-20 Flat bar: | Thickness:8mm-800mm Width:10mm to 1500mm |
| HP 9-4-20 Sheet or Plate: | Thickness:3mm-80mm Width:1.5mm to 1500mm |
| HP 9-4-20 Strip or Coil: | Thickness:0.1mm-3mm Width:1.5mm-1500mm |
| HP 9-4-20 Forgings: | Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes |
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