The high quality Japan JIS SK7M material is one of the more steel grades we supply, Cold rolled special steel strip. SK7M is our main production grade, which has been approved by customers in many countries since its initial production, including our SK7M 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 SK7M materials, and we are willing to develop together with customers from all over the world.
Also includes SK7M steel material norm, chemical composition, mechanical properties, datasheet, SK7M equivalent, heat treatment and temperature process of SK7M, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SK7M this steel grade have a more comprehensive understanding, Download the full SK7M PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.60-0.70 | Max 0.35 | Max 0.50 | Max 0.030 | Max 0.030 | Max 0.30 | Max 0.25 |
| Cu(%) | ||||||
| Max 0.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 419 (≥) | 838 (≥) | 24 | 32 | 22 | Solution & Aging, Ann, Ausaging, Q+T | 343 |