Patent ID: 8962153
Filing Date: 2015-02-24
Classification: C23C,Y10T

Abstract:
1. A hot-dip Zn—Al alloy coated steel sheet comprising a hot-dip Zn—Al alloy GF coating layer consisting essentially of 1.0 to 10 percent by mass of Al, 0.2 to 1.0 percent by mass of Mg, 0.005 to 0.1 percent by mass of Ni, 0.05 percent by mass or less of Ce, 0.05 percent by mass or less of La, and the balance being Zn and incidental impurities on at least one surface of a steel sheet, wherein the hot-dip Zn—Al alloy coating layer comprises binary Zn—Al with eutectic composition and ternary Al—Zn—Mg intermetallic compound with eutectic composition.