Duplex Stainless Steel UNS S31803 / 1.4462 / F51
Machinability / Welding. Material to UNS S31803 (and the other specifications listed below) is described as a duplex stainless steel with a microstructure of 50:50 austenite and ferrite. The steel combines good mechanical strength (typically up to over 480 MPa yield strength) and ductility with moderate to good corrosion resistance in a variety ...