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BLACK PLATED CONSTRUCTION MEMBER AND BLACK PLATED STEEL SHEET FOR ELECTRIC CONSTRUCTION MEMBER
BLACK PLATED CONSTRUCTION MEMBER AND BLACK PLATED STEEL SHEET FOR ELECTRIC CONSTRUCTION MEMBER
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机译：电气施工构件用黑色镀层建筑构件和黑色电镀钢板
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摘要
PROBLEM TO BE SOLVED: To provide a black plated construction member and black plated steel sheet for a construction member with high corrosion resistance capable of obtaining black appearance without coating and having excellent sustainability of black appearance after processing.;SOLUTION: There is provided a construction member using a plated steel sheet as a raw material having a black plated layer which: is formed on the surface of a base steel member; has a molten Al/Mg-containing galvanized layer which contains 0.1 to 22.0 mass% of Al and 0.1 to 10.0 mass% of Mg and in which a black oxide of Zn is distributed in a plating layer; and exhibits black appearance in which the surface of the molten Al/Mg-containing galvanized layer has lightness L* value of 60 or less. The member is used for a piping member, a fence member, a floor member, a reinforcing member and a bridging member, irrespective of shape.;SELECTED DRAWING: None;COPYRIGHT: (C)2018,JPO&INPIT
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