STAS/SR OL7.4
The high quality Romania STAS/SR OL7.4 material is one of the more steel grades we supply, Structural steel.
OL7.4 is our main production grade, which has been approved by customers in many countries since its initial production, including our OL7.4 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 OL7.4 materials, and we are willing to develop together with customers from all over the world.
Also includes OL7.4 steel material norm, chemical composition, mechanical
properties, datasheet, OL7.4 equivalent, heat treatment and temperature process of OL7.4, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in OL7.4 this steel grade have a more comprehensive understanding, Download the full OL7.4 PDF version of this datasheet.
2015-08-10 15:54:41
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| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
| 0.17 | 0.40 | 0.80 | 0.040 | 0.040 | 0.3 | 0.3 |
| Cu(%) | Al(%) |
| 0.3 | 0.02 |
| Rp0.2 (MPa) |
Rm (MPa) |
Impact
KV (J) |
Elongation
A (%) |
A Z (%) |
Delivery |
Hardness HB |
| 525 (≥) |
194 (≥) |
31 |
22 |
12 |
Solution & Aging, Ann, Ausaging, Q+T |
142 |
| Materials |
Dimension |
Quantity |
State |
| 17-4PH Coil Stock |
0.08*200mm |
1623 Kgs |
Cold-Rolled+Annealed |
| 17-4PH Round Bar |
Φ5-300mm*L |
46958 Kgs |
Hot-Rolled+Annealed+black |
| 17-4PH plate |
8-45*1200*3000mm |
4.9 Tons |
Hot-Rolled+Annealed+black |
| X22CrMoV12-1 / 1.4923 |
Φ17mm |
300 Kgs |
Hot-Rolled+Annealed+black |
| X22CrMoV12-1 / 1.4923 |
Φ30mm |
300 Kgs |
Hot-Rolled+Annealed+black |
| 1.4882 strip/sheet/plate stock |
3.5x200x1000-2000mm |
200 Kgs |
Cold-Rolled+Annealed |
| T45Cr5Si3 Round Bar |
Dia.40mm |
500 Kgs |
Hot-Rolled+Annealed+black |
| SA-437 Grade B4B/SUS 616 /422 Forged Bar |
Dia.160xL |
2120 Kgs |
Forged+QT |
| 420J2 Coil Strip |
2.5(2.3)mm x 60/64mm |
300 Kgs |
Cold-Rolled+Annealed |
