Hot-dip Al—Zn alloy coated steel sheet and method for producing same

  • US 9,758,853 B2
  • Filed: 02/17/2014
  • Issued: 09/12/2017
  • Est. Priority Date: 03/28/2013
  • Status: Active Grant
First Claim
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1. A hot-dip Al—

  • Zn alloy coated steel sheet having a hot-dip coating layer,wherein the hot-dip coating layer consists of, by mass %, Al;

    25% to 90%;

    at least one element selected from a group consisting of Sn, In, and Bi such that Sn, if contained, is contained in an amount of 0.01 to 0.12 mass %, In, if contained, is contained in an amount of 0.01 to 10 mass %, and Bi, if contained, is contained in an amount of 0.01 to 2.0 mass %;

    optionally Si;

    0.1% to 10%;

    optionally at least one element selected from a group consisting of Mn, V, Cr, Mo, Ti, Ni, Co, Sb, Zr, and B in a total of 0.01% to 10%; and

    the balance being Zn and incidental impurities.

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