The high quality China CNS S20CK material is one of the more steel grades we supply, China Taiwan Structural steel. S20CK is our main production grade, which has been approved by customers in many countries since its initial production, including our S20CK 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 S20CK materials, and we are willing to develop together with customers from all over the world.
Also includes S20CK steel material norm, chemical composition, mechanical properties, datasheet, S20CK equivalent, heat treatment and temperature process of S20CK, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in S20CK this steel grade have a more comprehensive understanding, Download the full S20CK PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) |
|---|---|---|---|---|---|
| 0.18-0.23 | 0.15-0.35 | 0.30-0.60 | 0.025 | 0.025 | 0.20 |
| N(%) | Cu(%) | ||||
| 0.20 | 0.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 841 (≥) | 182 (≥) | 44 | 34 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 432 |