Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Durability of Various Coated Steels in Sea Water
Teruo TAKAMATSUHirotada KATOU
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1989 Volume 75 Issue 6 Pages 926-932

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Abstract

Tar epoxy coating and mortar lining have been utilized for internal protection of steel pipes for sea water. However, these coatings are often damaged by the fouling of marine organisms. Therefore, we made sea immersion test and sea water loop test on inorganic and organic coatings in order to investigate the durability of them. The marine organisms grew on all coatings, but the coatings of high hardness were hardly damaged by marine organisms. Pure-epoxy and polyurethane coatings were the best among the coatings investigated; their properties in impact strength, bending stiffness, electric resistivity and adhesion strength were unchanged after the immersion and loop tests.

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© The Iron and Steel Institute of Japan
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