The high quality China CNS SM400A material is one of the more steel grades we supply, China Taiwan Structural steel. SM400A is our main production grade, which has been approved by customers in many countries since its initial production, including our SM400A 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 SM400A materials, and we are willing to develop together with customers from all over the world.
Also includes SM400A steel material norm, chemical composition, mechanical properties, datasheet, SM400A equivalent, heat treatment and temperature process of SM400A, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SM400A this steel grade have a more comprehensive understanding, Download the full SM400A PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| Max 0.23 | — | ≥2.5XC | 0.035 | 0.035 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 665 (≥) | 767 (≥) | 34 | 13 | 41 | Solution & Aging, Ann, Ausaging, Q+T | 314 |