Where is the duplex stainless steel commonly used?

The duplex grades are used extensively in desalination, marine applications such as the offshore oil and gas industry and marine craft. Because of their high strength and fabricability duplex stainless steels are used for rotating equipment and to replace coated structural steel for storage tanks and metal bridges. Heat exchangers are a major application area for tubes in duplex and super-duplex grades and the more recent development of the formable duplex grades opens the way to their use in plate heat exchanges as well.


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