The high quality Japan JIS SK90 material is one of the more steel grades we supply, Carbon tool steel. SK90 is our main production grade, which has been approved by customers in many countries since its initial production, including our SK90 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 SK90 materials, and we are willing to develop together with customers from all over the world.
Also includes SK90 steel material norm, chemical composition, mechanical properties, datasheet, SK90 equivalent, heat treatment and temperature process of SK90, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SK90 this steel grade have a more comprehensive understanding, Download the full SK90 PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| 0.85-0.95 | 0.15-0.35 | 0.15-0.50 | Max 0.030 | Max 0.030 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 932 (≥) | 242 (≥) | 43 | 34 | 31 | Solution & Aging, Ann, Ausaging, Q+T | 211 |