DUPLEX STEEL 4462 TYPE F51, WNR 1.4462, UNS S31803,
2015-6-30 · Duplex 2205 is the most widely used duplex (ferritic/austenitic) stainless steel grade. It finds applications due to both excellent corrosion resistance and high strength. The standard duplex S31803 composition has over the years been refined by many steel suppliers, and the resulting restricted composition range was endorsed as UNS S32205 in 1996.
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