The high quality China GBT GH4220 material is one of the more steel grades we supply, Nickel base superalloy. GH4220 is our main production grade, which has been approved by customers in many countries since its initial production, including our GH4220 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 GH4220 materials, and we are willing to develop together with customers from all over the world.
Also includes GH4220 steel material norm, chemical composition, mechanical properties, datasheet, GH4220 equivalent, heat treatment and temperature process of GH4220, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in GH4220 this steel grade have a more comprehensive understanding, Download the full GH4220 PDF version of this datasheet.
| C(％) | Cr(％) | Ni(％) | Mo(％) | W(%) |
|---|---|---|---|---|
| Max 0.08 | 9.0-12.0 | Balance | 5.0-7.0 | 5.0-6.5 |
| Co(%) | B(%) | Al(%) | Ti(%) | Other(%) |
| 14.0-15.0 | Max 0.02 | 3.9-4.8 | 2.2-2.9 | V:0.2-0.8,Mg::Traces |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 923 (≥) | 854 (≥) | 24 | 32 | 22 | Solution & Aging, Ann, Ausaging, Q+T | 431 |