UNS S32205 Duplex Stainless Steel Round Bar Black Bar Flat Bar A182 F51 2205 Forging

F51 is a duplex stainless steel with a 50:50 austenite, ferrite microstructure. The material combines good
mechanical strength and ductility with moderate to good corrosion resistance in a variety of environments.
This material is generally supplied in the annealed condition giving yield strengths in excess of 65 KSI
(450Mpa), this material cannot be hardened by heat treatment but stronger surface strengths can be
achieved by cold working. Typical applications include pumps, valves, pipework, flanges etc together with
various applications in the oil and gas, brewing, power generation and chemical engineering industries. In
fact this alloy can be used successfully as an alternative to 300 series austenitic stainless steels in almost all
applications where higher mechanical strength/lower weight is required.

Chemical composition

Forging

Forging temperature for this material should be 1100 – 1250oC Reheat as often as necessary and cool in still air.

Machining

Material in the annealed condition is readily machinable by all conventional methods.

Welding

F51 is readily weldable using many of the standard electric arc welding processes but oxyacetylene welding is not recommended because carbon pickup in the weld metal may occur.

Heat Treatment

Anneal – Heat to 1020 – 1120oC ensuring sufficient time is allowed for the centre to achieve furnace temperature and hold for a time commensurate with the ruling section, followed by water quenching.

ASTM A182 F51 – Duplex Stainless Steel

ASTM A182 F51 is a duplex stainless steel that offers a high resistance to general , pitting, stress and crevice corrosion, as well as a high mechanical strength and good weldability. As a result, this is a highly suitable material for applications dealing with environments containing chlorides and and hydrogen sulphide.

Forms of supply

• Sheet
• Plate
• Bar
• Pipe & Tube (welded & seamless)
• Pipe Fittings
• Weld Wire
• Wire