Applications
subsea, seawater systems, oil & gas, heat exchangers.
MATERIALSuper Duplex S32760Stainless steel
STAINLESS STEEL1.4501UNS S32760
MATERIAL DATASHEET
Super Duplex (UNS S32760 / EN 1.4501)
Super duplex stainless steel with very high PREN (~40–45) due to Mo, N and W; excellent pitting/crevice/SCC resistance.
Standards & designations
| Designation | Reference |
|---|---|
| UNS | S32760 |
| Werkstoff Nr. | 1.4501 |
| ASTM | A240 (plate), A182 F55 (forgings), A789/A790 |
| ASME | SA240, SA182 F55, SA789/SA790 |
| EN/ISO | EN 10088-3 (1.4501) |
| Others | Zeron® 100; X2CrNiMoCuWN25-7-4 |
Mechanical properties
| Property | Value / condition |
|---|---|
| Yield strength Rp0.2 | ≥ 550 MPa |
| Tensile strength Rm | ≥ 750 MPa (typ.) |
| Elongation | ≥ 25 % |
| Hardness | ~ 310 HB max (typ.) |
Chemical composition
Weight %
| Element | Cr | Ni | Mo | N | W | Cu | C | Mn | Si | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 24.0 | 6.0 | 3.0 | 0.20 | 0.5 | 0.5 | – | – | – | – | – | bal. |
| Max | 26.0 | 8.0 | 4.0 | 0.30 | 1.0 | 1.0 | 0.03 | 1.0 | 1.0 | 0.03 | 0.02 | bal. |
Applications & processing
Heat treatment
Solution anneal ~ 1020–1120 °C; rapid quench.
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.