Patent ID: 6509099
Filing Date: 2003-01-21
Classification: B05D,C23C,Y10T

Abstract:
A phosphate-treated steel plate comprising:a zinc-base plated steel plate; a zinc phosphate coating layer having a coating weight of from 0.2 to 2.5 g/m2, containing at least one metal selected from the group consisting of nickel, manganese and magnesium, formed on the surface of the zinc-base plated steel plate; and an organic coating comprising at least one organic resin selected from the group consisting of an ethylene-base resin, an epoxy-base resin, a urethane-base resin and an acrylic-base resin, formed on the zinc phosphate coating layer, the organic coating having a coating weight of 0.05 to 1.5 g/m2.