SAE W4
2013-05-16 23:22:28 Print this pageThe high quality USA SAE W4 material is one of the more steel grades we supply, SAE SAE J 437 (1970), SAE SAE J 438 (1970),Tool and die steels. W4 is our main production grade, which has been approved by customers in many countries since its initial production, including our W4 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 W4 materials, and we are willing to develop together with customers from all over the world.
Also includes W4 steel material norm, chemical composition, mechanical properties, datasheet, W4 equivalent, heat treatment and temperature process of W4, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in W4 this steel grade have a more comprehensive understanding, Download the full W4 PDF version of this datasheet.
Chemical composition (wt.%) of W4
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.80 | 1.20 |
| Si | 0.10 | 0.40 |
| Mn | 0.10 | 0.40 |
| Cr | 0.15 | 0.30 |
| V | - | - |
Mechanical Properties of W4
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 594 (≥) | 627 (≥) | 43 | 33 | 23 | Solution & Aging, Ann, Ausaging, Q+T | 434 |