Brundidge & Stanger, P.C.
Black-plated steel sheet
A black-plated steel sheet has a Zn-plating layer containing molten Al and Mg, containing Al in the amount of 1.0-22.0 mass %, containing Mg in the amount of 1.3-10.0 mass %, and having a Zn black oxide distributed in a lamella pattern in the plating layer. The Zn black oxide is a Zn oxide derived from a Zn2Mg phase. The brightness of the surface of the Zn-plating layer containing the molten Al and Mg has an L* value of 60 or less.
NISSHIN STEEL CO., LTD.
C Y C C C C C Y C C B Y Y B C C Y C C C Y Y
C23C Y10T C23C C23C C22C C23C C23C Y10T C23C C23C B32B Y10T Y10T B32B C23C C23C Y10T C23C C23C C23C Y10T Y10T
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Masaya Tadashi Hirofumi
Yamamoto Nakano Taketsu