The high quality China GBT GH1139 material is one of the more steel grades we supply, High temperature iron base alloy. GH1139 is our main production grade, which has been approved by customers in many countries since its initial production, including our GH1139 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 GH1139 materials, and we are willing to develop together with customers from all over the world.
Also includes GH1139 steel material norm, chemical composition, mechanical properties, datasheet, GH1139 equivalent, heat treatment and temperature process of GH1139, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in GH1139 this steel grade have a more comprehensive understanding, Download the full GH1139 PDF version of this datasheet.
| C(％) | Mn(％) | Cr(％) | Ni(％) |
|---|---|---|---|
| Max 0.12 | 5.0-7.0 | 23.0-26.0 | 15.0-18.0 |
| B(%) | Other(%) | ||
| Max 0.01 | Si:Max 1.0,N: 0.30-0.45 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 361 (≥) | 375 (≥) | 32 | 41 | 41 | Solution & Aging, Ann, Ausaging, Q+T | 122 |