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220s duplex stainless steel
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220S Duplex Stainless Steel - CRP
www.crp.co.uk2205 Duplex Stainless Steel Description The 2205 S.S. (UNS S31803) alloy is probably the most recognized and widely used of the many duplex stainless steels. As the name duplex implies, it has a dual phase microstructure of both austenite and ferrite.