The high quality China CNS SN400B material is one of the more steel grades we supply, China Taiwan Structural steel. SN400B is our main production grade, which has been approved by customers in many countries since its initial production, including our SN400B 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 SN400B materials, and we are willing to develop together with customers from all over the world.
Also includes SN400B steel material norm, chemical composition, mechanical properties, datasheet, SN400B equivalent, heat treatment and temperature process of SN400B, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in SN400B this steel grade have a more comprehensive understanding, Download the full SN400B PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) |
|---|---|---|---|---|
| 0.20 | 0.35 | 0.60-1.40 | 0.03 | 0.015 |
| Other(%) | ||||
| CE Max 0.36 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 218 (≥) | 788 (≥) | 41 | 24 | 11 | Solution & Aging, Ann, Ausaging, Q+T | 243 |