UNS NV4(3140)
2014-01-06 13:37:52 Print this pageThe high quality USA UNS NV4(3140) material is one of the more steel grades we supply, Steel for intake valves. NV4(3140) is our main production grade, which has been approved by customers in many countries since its initial production, including our NV4(3140) 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 NV4(3140) materials, and we are willing to develop together with customers from all over the world.
Also includes NV4(3140) steel material norm, chemical composition, mechanical properties, datasheet, NV4(3140) equivalent, heat treatment and temperature process of NV4(3140), The peak hardness can be achieved, Contains all of the specification, welding properties, let us in NV4(3140) this steel grade have a more comprehensive understanding, Download the full NV4(3140) PDF version of this datasheet.
Chemical composition (wt.%) of NV4(3140)
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.38 | 0.43 |
| Si | 0.15 | 0.30 |
| Mn | 0.70 | 0.90 |
| P | - | 0.04 |
| S | - | 0.04 |
| Cr | 0.35 | 0.65 |
| Ni | 1.10 | 1.40 |
Mechanical Properties of NV4(3140)
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 813 (≥) | 821 (≥) | 42 | 12 | 44 | Solution & Aging, Ann, Ausaging, Q+T | 424 |