The high quality Australia AS 8740H material is one of the more steel grades we supply, Australia Structural steel. 8740H is our main production grade, which has been approved by customers in many countries since its initial production, including our 8740H 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 8740H materials, and we are willing to develop together with customers from all over the world.
Also includes 8740H steel material norm, chemical composition, mechanical properties, datasheet, 8740H equivalent, heat treatment and temperature process of 8740H, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 8740H this steel grade have a more comprehensive understanding, Download the full 8740H PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| 0.37-0.44 | 0.10-0.35 | 0.70-1.05 | 0.04 | 0.04 | 0.35-0.65 | 0.35-0.75 | 0.20-0.30 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 776 (≥) | 534 (≥) | 21 | 44 | 14 | Solution & Aging, Ann, Ausaging, Q+T | 411 |