FIELD: metallurgy.
SUBSTANCE: invention relates to the production of an aluminized steel sheet which has improved characteristics of overall reflectivity and corrosion resistance. Aluminized steel sheet comprising a base steel sheet, an aluminum coating layer having an average thickness of 7 mcm or more, and an intermediate layer based on the Al-Fe-Si alloy interposed therebetween. Surface portion of the aluminum coating layer, extended from its surface to a depth of 3 mcm, has an average concentration of 2.0 % by weight of Si or less. Fraction of the phase of the intermetallic compound on the Al-Fe base, occupying the surface of the aluminum coating layer, is 10 % or less.
EFFECT: steel sheet has heat resistance, as well as high reflectivity.
7 cl, 12 dwg, 4 tbl, 1 ex
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