Super Duplex F55 / UNS S32760 (Werkstoffe 1.4501)

Super Duplex Alloy F55 (UNS S32760 and Werkstoffe 1.4501) has excellent corrosion resistance in seawater and other chloride containing environments and is used in marine and oil in gas environments for pumps and valves.

Super Duplex F55 UNS S32760

Super Duplex F55 UNS S32760 Specifications and Stock

F55 (UNS S32760) is normally supplied in the solution annealed condition. For cold environments, we can also supply cold worked material to meet the FLT grade of F55 (charpy impact tested at -101°C) or FG grade (charpy impact tested at -46°C). F55 is covered in NACE MR 01 75 for sour service and suitable for pressure vessel applications.

Broder Metals Group stock the following sizes:

Dimensions in milimetres (mm)
12.7mm 15.87mm 19.05mm 22.23mm 25.4mm
28.575mm 31.75mm 34.93mm 38.1mm 41.275mm
44.45mm 47.625mm 50.8mm 57.15mm 63.5 mm
69.85mm 76.2mm 88.9mm 101.6mm 127mm

However, we can also obtain sizes outside of our core stock range with fast lead times, For our complete stock make an enquiry or download our product brochure here.


F55 is widely used in marine, oil and gas, paper manufacturing, sewage treatment  and chemical processing environments due to its excellent corrosion resistance in cold and elevated temperatures.

Typical end uses include:

  • Chemical processing equipment
  • propellers
  • shafts
  • pumps
  • bolts & fasteners
  • valves & precipitators

Broder Metals provide Super Duplex F55 with our global same day quote, next day dispatch service. All of our metals are fully traceable for your confidence, with clear certification delivered electronically or sent with the material as requested. For further information contact us or download our Super Duplex F55 information sheet here.