Patent · US Active

Steel sheet coated with a metallic coating based on aluminum

US12012655B2 · kind B2 · utility

0Cited by
9References
15Claims
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Inventors

Key dates

Filing dateJun 7, 2022
Grant dateJun 18, 2024
Priority date
Expiry dateJun 7, 2042

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/265
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A steel sheet with a metallic coating is provided. A composition of the metallic coating includes from 2.0 to 24.0% by weight of zinc, from 7.1 to 12.0% by weight of silicon, optionally from 1.1 to 8.0% by weight of magnesium, and optionally additional elements chosen from Pb, Ni, Zr, or Hf. The content by weight of each additional element is less than 0.3%. A balance of the composition is aluminum, unavoidable impurities and residual elements. A ratio Al/Zn is from 4.0 to 6.0.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.