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COATING STEEL FOR BALLAST TANK IN EXCELLENT COATING FILM SWELLING RESISTANCE, AND BALLAST TANK AND SHIP USING THE SAME
COATING STEEL FOR BALLAST TANK IN EXCELLENT COATING FILM SWELLING RESISTANCE, AND BALLAST TANK AND SHIP USING THE SAME
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机译:出色的涂膜溶胀性,用于压载罐的涂层钢,以及使用相同的压载罐和船
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摘要
PURPOSE: A steel coating material for a ballast tank with a superior coating-swelling resistance, and a ballast tank and a ship using the same is provided to decrease the speed of corrosion by forming a dense passivation coating on the surface of a substrate. CONSTITUTION: A steel coating material for a ballast tank with a superior coating-swelling resistance comprises C 0.01~0.30 weight%, Si 0.01~2.0 weight%, Mn 0.01~2.0 weight%, Al 0.005~0.10 weight%, S 0.010 weight% or less, Cu 0.01~5.0 weight%, Ni 0.01~5.0 weight%, and the rest Fe and inevitable impurities. The surface roughness of at least the part the coating steel material in which coating is laminated 15~80m.
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