UNS HNV8
2014-01-06 13:37:52 Print this pageThe high quality USA UNS HNV8 material is one of the more steel grades we supply, Steel for intake valves. HNV8 is our main production grade, which has been approved by customers in many countries since its initial production, including our HNV8 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 HNV8 materials, and we are willing to develop together with customers from all over the world.
Also includes HNV8 steel material norm, chemical composition, mechanical properties, datasheet, HNV8 equivalent, heat treatment and temperature process of HNV8, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in HNV8 this steel grade have a more comprehensive understanding, Download the full HNV8 PDF version of this datasheet.
Chemical composition (wt.%) of HNV8
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.20 | 0.25 |
| Si | - | 0.50 |
| Mn | 0.50 | 1.00 |
| P | 0.040 | |
| S | 0.025 | |
| Cr | 11.0 | 12.5 |
| Ni | 0.50 | 1.00 |
| Mo | 0.90 | 1.25 |
| W | 0.90 | 1.25 |
Mechanical Properties of HNV8
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 386 (≥) | 194 (≥) | 23 | 34 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 421 |
Equivalent Grade Stock of HNV8
| Materials | Dimension | Quantity | State |
|---|---|---|---|
| SA-437 Grade B4B/SUS 616 /422 Forged Bar | Dia.160xL | 2120 Kgs | Forged+QT |
