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1. (WO2017017483) STEEL SHEET COATED WITH A METALLIC COATING BASED ON ALUMINUM

Pub. No.:    WO/2017/017483    International Application No.:    PCT/IB2015/001281
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Fri Jul 31 01:59:59 CEST 2015
IPC: C23C 2/00
C23C 2/12
Applicants: ARCELORMITTAL
Inventors: ALLELY, Christian
MACHADO AMORIM, Tiago
VAN DEN BERGH, Krista, Godelieve, Oscar
DE STRYCKER, Joost
Title: STEEL SHEET COATED WITH A METALLIC COATING BASED ON ALUMINUM
Abstract:
The present invention relates to a steel sheet coated with a metallic coating comprising 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 being inferior to 0.3% by weight, the balance being aluminum and optionally unavoidable impurities and residuals elements, wherein the ratio Al/Zn is above 2.9.