The high quality China GBT 40CrMn material is one of the more steel grades we supply, China structural steel and alloy steel. 40CrMn is our main production grade, which has been approved by customers in many countries since its initial production, including our 40CrMn 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 40CrMn materials, and we are willing to develop together with customers from all over the world.
Also includes 40CrMn steel material norm, chemical composition, mechanical properties, datasheet, 40CrMn equivalent, heat treatment and temperature process of 40CrMn, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 40CrMn this steel grade have a more comprehensive understanding, Download the full 40CrMn PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | Cr(％) |
|---|---|---|---|
| 0.37-0.45 | 0.17-0.37 | 0.90-1.20 | 0.90-1.20 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 745 (≥) | 936 (≥) | 21 | 12 | 32 | Solution & Aging, Ann, Ausaging, Q+T | 141 |
