Applications
wear rings, bushings, valve stems, fasteners, pins.
MATERIALNitronic 60Stainless steel
STAINLESS STEELS21800UNS S21800
MATERIAL DATASHEET
Nitronic® 60 (UNS S21800)
Gall-resistant austenitic stainless with high Si and Mn; excellent wear resistance for tribological applications.
Standards & designations
| Designation | Reference |
|---|---|
| UNS | S21800 |
| Werkstoff Nr. | — |
| ASTM | A276/A479 (bar), A240 (plate) |
| ASME | SA276/SA479, SA240 |
| EN/ISO | — |
| Others | Alloy 218 |
Mechanical properties
| Property | Value / condition |
|---|---|
| Yield strength Rp0.2 | ~ 240–345 MPa (typ., product) |
| Tensile strength Rm | ~ 655–760 MPa (typ.) |
| Elongation | ~ 30–40 % |
| Hardness | — |
Chemical composition
Weight %
| Element | Cr | Ni | Mn | Si | N | Mo | C | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Min | 16.0 | 8.0 | 7.0 | 3.5 | 0.08 | — | — | — | — | bal. |
| Max | 18.0 | 9.0 | 9.0 | 4.5 | 0.18 | 0.75 | 0.10 | 0.04 | 0.03 | bal. |
Applications & processing
Heat treatment
Non hardenable; anneal ~ 1038–1066 °C.
Weldability
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.