Patent ID: 7238431
Filing Date: 2007-07-03
Classification: B32B,C22C,C23C,Y10T

Abstract:
1. A corrosion-resistant hot dip plated steel material having a particular surface smoothness, comprising: at least one section having a surface; and a plated layer provided on the surface, the plated layer containing Al of about 4% to 20% in mass and Mg of about 1% to 10% in mass, and comprising an Al phase and an Al-type intermetallic compound, with the balance of the plated layer in mass consisting of Zn and unavoidable impurities, wherein the intermetallic compound has a melting point of at least 600° C. and lattice constants in the range of about 3 Å to 5 Å, and wherein the intermetallic compound comprises about 0.001% to 0.5% by mass of the plated layer.