The high quality China CNS SMn420H material is one of the more steel grades we supply, China Taiwan Structural steel. SMn420H is our main production grade, which has been approved by customers in many countries since its initial production, including our SMn420H 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 SMn420H materials, and we are willing to develop together with customers from all over the world.
Also includes SMn420H steel material norm, chemical composition, mechanical properties, datasheet, SMn420H equivalent, heat treatment and temperature process of SMn420H, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SMn420H this steel grade have a more comprehensive understanding, Download the full SMn420H PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| 0.16-0.23 | 0.15-0.35 | 1.15-1.55 | Max 0.030 | Max 0.030 | Max 0.35 | Max 0.25 | — |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 687 (≥) | 917 (≥) | 13 | 33 | 24 | Solution & Aging, Ann, Ausaging, Q+T | 111 |