The high quality Romania STAS/SR 40CrNi12S material is one of the more steel grades we supply, Alloy structural steel. 40CrNi12S is our main production grade, which has been approved by customers in many countries since its initial production, including our 40CrNi12S 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 40CrNi12S materials, and we are willing to develop together with customers from all over the world.
Also includes 40CrNi12S steel material norm, chemical composition, mechanical properties, datasheet, 40CrNi12S equivalent, heat treatment and temperature process of 40CrNi12S, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in 40CrNi12S this steel grade have a more comprehensive understanding, Download the full 40CrNi12S PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| 0.36-0.44 | 0.17-0.37 | 0.50- 0.80 | 0.035 | 0.020-0.040 | 0.45-0.75 | 1.00- 1.40 | 0.15 |
| Cu(%) | Ti(%) | ||||||
| 0.3 | 0.02 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 726 (≥) | 538 (≥) | 21 | 14 | 24 | Solution & Aging, Ann, Ausaging, Q+T | 131 |