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Duplex

Refers to the steel having two types of microstructures at the same time. It also refers to a category of stainless steel with high amounts of chromium and moderate nickel content, which creates a mixture of austenitic and ferritic microstructures within the same material. This combination offers more strength and high resistance to stress corrosion cracking, so they are suitable for high stress environments such as heat exchangers, desalination plants, and marine applications. Duplex stainless steels are also magnetic.

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