The high quality China GBT GH3128 material is one of the more steel grades we supply, Solid solution strengthening type iron base alloy. GH3128 is our main production grade, which has been approved by customers in many countries since its initial production, including our GH3128 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 GH3128 materials, and we are willing to develop together with customers from all over the world.
Also includes GH3128 steel material norm, chemical composition, mechanical properties, datasheet, GH3128 equivalent, heat treatment and temperature process of GH3128, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in GH3128 this steel grade have a more comprehensive understanding, Download the full GH3128 PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | W(%) |
|---|---|---|---|---|---|---|---|---|
| ≤0.05 | 0.8 | 0.5 | 0.013 | 0.013 | 19.0-22.0 | Balance | 7.50-9.00 | 7.50-9.00 |
| Al(%) | Ti(%) | Other(%) | ||||||
| 0.40-0.80 | 0.40-0.80 | B≤0.005,Ce≤0.05,Zr≤0.06 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 133 (≥) | 865 (≥) | 43 | 42 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 241 |