The high quality Romania STAS/SR OLC55S material is one of the more steel grades we supply, Structural steel. OLC55S is our main production grade, which has been approved by customers in many countries since its initial production, including our OLC55S 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 OLC55S materials, and we are willing to develop together with customers from all over the world.
Also includes OLC55S steel material norm, chemical composition, mechanical properties, datasheet, OLC55S equivalent, heat treatment and temperature process of OLC55S, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in OLC55S this steel grade have a more comprehensive understanding, Download the full OLC55S PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.52-0.60 | 0.17-0.37 | 0.60-0.90 | 0.040 | 0.020-0.045 | 0.30 | 0.30 |
| Cu(%) | ||||||
| 0.30 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 218 (≥) | 344 (≥) | 21 | 21 | 33 | Solution & Aging, Ann, Ausaging, Q+T | 121 |