ASTM S4
2013-05-16 23:22:28 Print this pageThe high quality USA ASTM S4 material is one of the more steel grades we supply, Shock-Resisting Tool Steel. S4 is our main production grade, which has been approved by customers in many countries since its initial production, including our S4 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 S4 materials, and we are willing to develop together with customers from all over the world.
Also includes S4 steel material norm, chemical composition, mechanical properties, datasheet, S4 equivalent, heat treatment and temperature process of S4, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in S4 this steel grade have a more comprehensive understanding, Download the full S4 PDF version of this datasheet.
Chemical composition (wt.%) of S4
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.50 | 0.65 |
| Si | 1.75 | 2.25 |
| Mn | 0.60 | 0.95 |
| P | - | 0.030 |
| S | - | 0.030 |
| Cr | 0.10 | 0.50 |
| Mo | - | - |
| V | 0.15 | 0.35 |
| W | - | - |
| Ni＋Cu | - | 0.75 |
Mechanical Properties of S4
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 265 (≥) | 121 (≥) | 44 | 31 | 24 | Solution & Aging, Ann, Ausaging, Q+T | 133 |
