DRAWN BODY FOR AUTOMOBILE STRUCTURAL MEMBER, METHOD FOR MANUFACTURING DRAWN BODY FOR AUTOMOBILE STRUCTURAL MEMBER, AND APPARATUS FOR MANUFACTURING DRAWN BODY FOR AUTOMOBILE STRUCTURAL MEMBER

摘要

This drawn body for an automobile structural member is configured so that the tensile strength thereof is 980 MPa or more, two first protruding ridge lines, a second protruding ridge line, and a recessed ridge line thereof each have a radius of curvature of 30 mm or less, the corner radius of each corner wall is 30 mm or less, and the forming depth, which is the distance between a top panel and an outward flange, is 40 mm or more.