The high quality China GBT 40Mn material is one of the more steel grades we supply, China structural steel and alloy steel. 40Mn is our main production grade, which has been approved by customers in many countries since its initial production, including our 40Mn 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 40Mn materials, and we are willing to develop together with customers from all over the world.
Also includes 40Mn steel material norm, chemical composition, mechanical properties, datasheet, 40Mn equivalent, heat treatment and temperature process of 40Mn, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 40Mn this steel grade have a more comprehensive understanding, Download the full 40Mn PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.37-0.44 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | 0.3 |
| Cu(%) | ||||||
| 0.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 272 (≥) | 844 (≥) | 41 | 42 | 11 | Solution & Aging, Ann, Ausaging, Q+T | 122 |
