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

A drawn body for a vehicle structural member has a tensile strength of 980 MPa or more, radii of curvature of two first convex ridge portions, a second convex ridge portion, and a concave ridge portion are each 30 mm or less, a corner radius of a corner wall is 30 mm or less, and a forming depth which is a separation distance between a top sheet portion and an outwardly-extending flange is 40 mm or more.