Ferralium 255 UNS S32550
FERRALIUM® 255 is a super duplex alloy with a high strength to weight ratio with superior abrasion and cavitation resistance. Resistance to chloride SCC, as well as crevice corrosion and pitting. Good ductility with a high fatigue strength in marine applications.
Chemical Composition of Ferralium 255 (UNS S32550) Round Bar
| Cr | Ni | Mo | Cu | N | W | Si | Mn | P | S | C | Fe |
| 26 | 6.3 | 3.5 | 1.75 | 0.23 | 0.15 | 0.5 | 1 max | 0.025 max | 0.005 max | 0.025 max | Balance |
Mechnaical Properties of Ferralium 255 (UNS S32550) Round Bar
| Tensile Strength | MPa – 790 |
| Yield Strength (0.2%Offset) | MPa – 570-600 |
| Elongation | 25 % |
Specification of Ferralium 255 (UNS S32550) Round Bar
| Specification | ASTM A 276, 479/ ASME SA 276, 479 |
| Dimensions | ASTM, ASME and API |
| Size | 10 mm To 500 mm Dia in 100 mm TO 6000 mm Length. |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Form | Round, Square, Hex (A/F), Rectangle, Forging Etc |
Specification of Ferralium 255 (UNS S32550) Round Bar
| Sheet/Plate | Round Bar/Wire | Pipes & Tubes |
| ASTM A240 / ASME SA240 | ASTM A 276, 479/ ASME SA 276, 479 | ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789 |
