Patent ID: 6235410
Filing Date: 2001-05-22
Classification: C23C,Y10S,Y10T

Abstract:
A hot-dip Zn--Al--Mg-system plated steel sheet good in corrosion resistance and surface appearance that is a hot-dip Zn-base plated steel sheet obtained by forming on a surface of a steel sheet a plating layer composed of Al: 4.0-10 wt. %, Mg: 1.0-4.0 wt. %, Ti: 0.002-0.1 wt. %, B: 0.001-0.045 wt. % and the balance of Zn and unavoidable impurities, the plating layer having a metallic structure including a primary crystal Al phase in a matrix of Al/Zn/Zn.sub.2 Mg ternary eutectic structure.