ASTM HP 9-4-20
2014-01-06 15:29:12 Print this pageThe high quality USA ASTM HP 9-4-20 material is one of the more steel grades we supply, ASTM 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. HP 9-4-20 is our main production grade, which has been approved by customers in many countries since its initial production, including our HP 9-4-20 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of HP 9-4-20 materials, and we are willing to develop together with customers from all over the world.
Also includes HP 9-4-20 steel material norm, chemical composition, mechanical properties, datasheet, HP 9-4-20 equivalent, heat treatment and temperature process of HP 9-4-20, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in HP 9-4-20 this steel grade have a more comprehensive understanding, Download the full HP 9-4-20 PDF version of this datasheet.
Chemical composition (wt.%) of HP 9-4-20
Elements | Min.(≥) | Max.(≤) |
---|---|---|
C | 0.17 | 0.23 |
Si | - | 0.10 |
Mn | - | 0.20 |
Ni | - | 0.65 |
Cr | - | 0.40 |
Al | 4.25 | 4.75 |
Cu | - | - |
Ti | - | - |
Fe | - | - |
Mo | - | 0.85 |
Co | 8.50 | 9.50 |
V | 0.06 | 0.12 |
P | - | 0.01 |
S | - | 0.01 |
W | 0.90 | 1.10 |
Mechanical Properties of HP 9-4-20
Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
---|---|---|---|---|---|---|
738 (≥) | 185 (≥) | 11 | 12 | 32 | Solution & Aging, Ann, Ausaging, Q+T | 343 |