Maass Special Alloys supplies rolled and forged Duplex F51 bars upon request for demanding industrial and machining requirements. Also known as Duplex 2205, UNS S31803, UNS S32205 or 1.4462, this duplex stainless steel grade combines high mechanical strength with strong resistance to chloride-induced corrosion. Our supply scope ranges from small diameters up to 600 mm.
Designed for high-strength duplex bar requirements
High yield strength for machined parts.
Resists chloride stress-corrosion cracking.
Reliable in chloride-rich environments.
Available as rolled or forged bar.
EN 10204 3.1 or 3.2.
We supply Duplex F51 bar upon request in rolled or forged form. The range covers small diameters through to 600 mm. Forged bar is generally the preferred route for larger sections, while rolled bar may be suitable for smaller and medium diameters depending on specification and mill availability.
Certified supply & additional information
Upon request
The chemical composition of Duplex F51 / UNS S31803-S32205 is designed to combine high mechanical strength with strong resistance to chloride-induced corrosion. The alloy contains chromium, nickel, molybdenum and nitrogen to support the duplex austenitic-ferritic microstructure.
Below chemical composition limits are provided for quick reference. Final compliance is confirmed by the Mill Test Certificate and the applicable order specification.
Please fill in the contactform or send your inquiry. We’ll confirmavailability from stock or the best supply route for your lead time.
