Blank, Method For Producing Structural Member, And Structural Member

Abstract: A blank (20, 20A) comprises a plurality of steel sheets. The plurality of steel sheets are disposed and joined so as to have an annular shape in a planar view of the blank (20, 20A). A third steel sheet (23) and at least one of a first and second steel sheet (21, 22) are each a plated steel sheet having a base material steel sheet (21a, 22a, 23a) and an aluminum-based plating layer (21b, 22b, 23b). An end part of the first steel sheet (21) and an end part of the second steel sheet (22) form an overlap part (241) having a maximum sheet thickness (tmax). The adhered amount (W1, W2) of the plating layer (21b, 22b) of at least one of the first and second steel sheets (21, 22) is not more than 60g/m2, and is less than the adhered amount (W3) of the plating layer (23b) of the third steel sheet (23).

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