Coated steel plate having embossed portion and method for forming embossed portion on plated steel sheet

摘要

Problem to be solved: to provide a method of forming an embossed portion on a plated steel plate having an embossed portion and a plated steel plate.Solution: the plated steel plate 1 having the embossed portion 6 has an embossed depth from the surface of the plated steel plate 1 in the non embossed portion to the bottom of the embossed portion μ M or less. In forming the embossed portion 6 on the plated steel plate 1, the embossed depth from the surface of the plated steel plate 1 to the bottom of the embossed portion 6 is μ The plated steel sheet 1 is rolled to be equal to or less than m.Diagram