The high quality Korea KS STS420F material is one of the more steel grades we supply, martensitic steel. STS420F is our main production grade, which has been approved by customers in many countries since its initial production, including our STS420F 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 STS420F materials, and we are willing to develop together with customers from all over the world.
Also includes STS420F steel material norm, chemical composition, mechanical properties, datasheet, STS420F equivalent, heat treatment and temperature process of STS420F, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in STS420F this steel grade have a more comprehensive understanding, Download the full STS420F PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| O.26-0.40 | Max 1.00 | Max 1.00 | Max 0.06 | Max 0.15 | 12.O-14.O | Max 0.60 | Max 0.60 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 537 (≥) | 611 (≥) | 32 | 14 | 14 | Solution & Aging, Ann, Ausaging, Q+T | 414 |