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304

UNS S30400

An austenitic stainless steel with approximately 18% chromium and 8% nickel used for heat exchangers, chemical processing, and milder chemicals. Alloy 304 has excellent weldability and forming characteristics. This alloy is resistant to moderately aggressive organic acids, such as acetic acid and reducing acids, such as phosphoric acid. Post-welding heat treatment and rapid quenching will improve corrosion resistance.