Our speciality alloy division at Castle Metals UK offers a world class range of Duplex, Super Duplex and Nickel Alloys in sheet, plate and round bar form. We have extensive in-house processing capabilities which make us a vital part of the speciality steel supply chain.
The grades we carry 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.
Our customers benefit from the skills our dedicated workforce has developed over many years offering a service unmatched by any of our competitors. Your alloy enquiries will be handled quickly, efficiently and above all, cost effectively.
Duplex & Super Duplex Stainless Steel Grades
| 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 |
Duplex & Super Duplex Sheet, Plate, and Bar Inventory
| 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 |
