Aluminum Plated Steel Sheet For Hot Stamping

Abstract: An aluminum-plated steel sheet for hot stamping according to the present invention comprises: a base material steel sheet; an aluminum plating layer that is provided on at least one surface of the base material steel sheet; and a surface treatment film that is provided on the aluminum plating layer, wherein the surface treatment film contains a needle-like compound X, of the needle-like compound X, the proportion of a needle-like compound X1 in which the ratio of the major axis thereof to the minor axis thereof is 4-50 and which has a hexagonal crystal structure is not less than 70% by number, and, of the needle-like compound X1, the proportion of a needle-like compound X2 in which a smaller one of angles at an intersection of a straight line that is parallel to the major axis thereof and a straight line that is parallel to a surface of the aluminum plating layer is 0-40 degrees is not less than 70% by number.

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