SEDL / STP / STP965-EB / STP25839S

Atmospheric Corrosion and Development of a Stainless Steel Alloy Against Marine Environments

Ito, S
R&D Laboratories-I, Nippon Steel Corporation, Kawasaki,

Omata, H
R&D Laboratories-I, Nippon Steel Corporation, Kawasaki,

Murata, T
R&D Laboratories-I, Nippon Steel Corporation, Kawasaki,

Yabumoto, Y
Nippon Steel Corporation, Kitakyushu,

Pages: 10    Published: Jan 1987

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Abstract

In order to investigate atmospheric corrosion of stainless steel, exposure tests were carried out at several locations. By analysis of the test results, it is considered that the distance from the shoreline can be the most significant factor affecting corrosion. Utilizing a developed evaluation method in laboratory and exposure tests, a new alloy of ferritic stainless steel as bright annealed surface was developed, based on the finding that amorphous silicon oxide film is more corrosion resistant against marine atmosphere. The proposed alloy is a type of highly purified 19% chromium ferritic stainless steel covered with a corrosion resistant bright annealed surface film.