The high quality Spain UNE C71U material is one of the more steel grades we supply, Spain structural alloy steel. C71U is our main production grade, which has been approved by customers in many countries since its initial production, including our C71U 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 C71U materials, and we are willing to develop together with customers from all over the world.
Also includes C71U steel material norm, chemical composition, mechanical properties, datasheet, C71U equivalent, heat treatment and temperature process of C71U, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in C71U this steel grade have a more comprehensive understanding, Download the full C71U PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.65-0.74 | 0.15-0.35 | 0.60-0.80 | 0.025 | 0.020 | Max 0.25 | Max 0.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 593 (≥) | 355 (≥) | 32 | 12 | 11 | Solution & Aging, Ann, Ausaging, Q+T | 312 |