Applications
shafts, fasteners, valves, marine & downhole hardware.
MATERIALNitronic 50Stainless steel
STAINLESS STEELS20910UNS S20910
MATERIAL DATASHEET
Nitronic® 50 (UNS S20910 / XM-19)
High-strength austenitic stainless with corrosion resistance superior to 316/316L; non-magnetic when annealed.
Standards & designations
| Designation | Reference |
|---|---|
| UNS | S20910 |
| Werkstoff Nr. | — |
| ASTM | A276/A479 (bar), A182 (forgings), A312/A358 (pipe) |
| ASME | SA276/SA479, SA182, SA312/SA358 |
| EN/ISO | — |
| Others | XM-19 |
Mechanical properties
| Property | Value / condition |
|---|---|
| Yield strength Rp0.2 | ≥ ~ 310 MPa (annealed, typ.) |
| Tensile strength Rm | ≥ ~ 655 MPa (annealed, typ.) |
| Elongation | ≥ 35 % (typ.) |
| Hardness | — |
Chemical composition
Weight %
| Element | Cr | Ni | Mo | Mn | N | C | Si | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Min | 20.5 | 11.5 | 1.5 | 4.0 | 0.20 | — | — | — | — | bal. |
| Max | 23.5 | 13.5 | 3.0 | 6.0 | 0.40 | 0.06 | 1.0 | 0.04 | 0.03 | bal. |
Applications & processing
Heat treatment
Anneal 1066–1121 °C typical.
Weldability
Very good.
The information in this datasheet is provided for guidance only. Intermec AS does not guarantee the accuracy or completeness of the data. Users must verify suitability for their specific applications.