The high quality China CNS CNS 440B material is one of the more steel grades we supply, CNS standard martensite stainless steel. CNS 440B is our main production grade, which has been approved by customers in many countries since its initial production, including our CNS 440B 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 CNS 440B materials, and we are willing to develop together with customers from all over the world.
Also includes CNS 440B steel material norm, chemical composition, mechanical properties, datasheet, CNS 440B equivalent, heat treatment and temperature process of CNS 440B, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in CNS 440B this steel grade have a more comprehensive understanding, Download the full CNS 440B PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| 0.75-0.95 | Max 1.00 | Max 1.00 | Max 0.040 | Max 0.030 | 16.00-18.00 | Max 0.60 | Max 0.75 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 657 (≥) | 259 (≥) | 14 | 24 | 24 | Solution & Aging, Ann, Ausaging, Q+T | 333 |