The high quality USA UNS Type440F material is one of the more steel grades we supply, Martensitic special steel. Type440F is our main production grade, which has been approved by customers in many countries since its initial production, including our Type440F 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 Type440F materials, and we are willing to develop together with customers from all over the world.
Also includes Type440F steel material norm, chemical composition, mechanical properties, datasheet, Type440F equivalent, heat treatment and temperature process of Type440F, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in Type440F this steel grade have a more comprehensive understanding, Download the full Type440F PDF version of this datasheet.
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.95-1.20 | 1 | 1.25 | 1.25 | Max 0.10-0.35 | 16.0-18.0 | 0.75 |
| N(%) | ||||||
| 0.75 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 266 (≥) | 476 (≥) | 13 | 32 | 12 | Solution & Aging, Ann, Ausaging, Q+T | 314 |