
Our speciality alloy division at Castle Metals offers a full range of Duplex and Super Duplex stainless steels in sheet, plate, and round bar form. We have extensive in-house processing capabilities which make us an ideal one stop shop for all your requirements.
These grades are designed to offer a super combination of heat resistance, high temperature corrosion resistance, toughness and strength, and are used in the world’s most technically demanding industries.
| Grade | UNS | ASTM/ASME | Werkstoff |
|---|---|---|---|
| Duplex | S31803 | A240 / F51 | 1.4462 |
| Super Duplex | S32750 | A240 / F55 | 1.4410 |
| Super Duplex | S32760 | A240 / F53 | 1.4501 |
| Lean Duplex | S32304 | A240 | 1.4362 |
| 6 Moly | S31254 | A240 / F44 | 1.4547 |
| Grade | Sheet (mm) | Plate (mm) | Bar (mm) [Diameter] |
|---|---|---|---|
| UNS S31803 | 1.50 – 3.00 | 5.00 – 100.00 | 76.20 – 457.20 |
| UNS S32304 | 2.00 | 5.00 – 50.00 | - |
| UNS S32750 | 3.00 | 5.00 – 50.00 | 12.70 – 304.80 |
| UNS S32760 | - | 5.00 – 50.00 | 12.70 – 304.80 |