The high quality Korea KS STRl material is one of the more steel grades we supply, KS standard martensite heat resistant steel. STRl is our main production grade, which has been approved by customers in many countries since its initial production, including our STRl 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 STRl materials, and we are willing to develop together with customers from all over the world.
Also includes STRl steel material norm, chemical composition, mechanical properties, datasheet, STRl equivalent, heat treatment and temperature process of STRl, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in STRl this steel grade have a more comprehensive understanding, Download the full STRl PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) |
|---|---|---|---|---|---|
| 0.40-0.50 | 3.00-3.50 | Max 0.60 | Max 0.03 | Max 0.03 | 7.50-9.50 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 453 (≥) | 583 (≥) | 12 | 42 | 14 | Solution & Aging, Ann, Ausaging, Q+T | 234 |