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What Do You Need To Know About Duplex Stainless Steel?

Wednesday , 25, May 2022 Comments Off on What Do You Need To Know About Duplex Stainless Steel?

Duplex stainless steels are very resistant to corrosion and also have a high resistance to intergranular corrosion. They exhibit very high resistance even in sulfide and chloride environments, and have a high resistance to stress corrosion cracking. Super duplex grades exhibit even higher resistance to corrosion. You can know more about duplex stainless steel via

Due to the high content of chromium in them, temperatures of over 300 degrees centigrade can cause embrittlement, however at lower temperatures the steel has better ductility than ferritic and martensitic grades. Duplex grades of stainless steels can be readily used down to at least -50 degrees centigrade.

When machining or fabrication any types of steels, only tools dedicated to stainless materials should be used. Work and tooling surfaces should be clean to avoid any cross contamination by easily corroded metals that may discolor the surface of the machined product.

Duplex steel processes are highly impervious in stress corrosion cracking. Oil and gas industries can be used in duplex stainless steel in petrochemicals, storage tanks, pressure wells and many more. Some typical applications for duplex steels can include chemical processing, marine environments, oil and gas refining and pulp and paper manufacturing.