UNS XM-18
2013-06-18 13:12:50 Print this pageThe high quality USA UNS XM-18 material is one of the more steel grades we supply, UNS SAE J 405 (1998) ,Chemical compositions of SAE wrought stainless steels. XM-18 is our main production grade, which has been approved by customers in many countries since its initial production, including our XM-18 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 XM-18 materials, and we are willing to develop together with customers from all over the world.
Also includes XM-18 steel material norm, chemical composition, mechanical properties, datasheet, XM-18 equivalent, heat treatment and temperature process of XM-18, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in XM-18 this steel grade have a more comprehensive understanding, Download the full XM-18 PDF version of this datasheet.
Chemical composition (wt.%) of XM-18
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.03 |
| Si | - | 0.75 |
| Mn | 7.50 | 9.00 |
| P | - | 0.045 |
| S | - | 0.03 |
| Cr | 17.5 | 22.0 |
| Ni | 5.00 | 7.00 |
| Mo | 2.00 | 3.00 |
| N | 0.25 | 0.50 |
Mechanical Properties of XM-18
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 193 (≥) | 261 (≥) | 42 | 44 | 13 | Solution & Aging, Ann, Ausaging, Q+T | 224 |