METHOD OF MANUFACTURING AN AUTOMOTIVE BODY INCLUDING AN AUTOMOTIVE CRASHWORTHINESS ENERGY ABSORBING PART

A method of manufacturing an automotive body including an automotive crashworthiness energy absorbing part 1 according to the present invention includes: a part manufacturing process S1 of manufacturing the automotive crashworthiness energy absorbing part 1; and a body assembly process S3 of assembling the automotive body by attaching the automotive crashworthiness energy absorbing part 1, in which the part manufacturing process S1 includes: a pre-coated part manufacturing process S1-1 of manufacturing a pre-coated part 2 including a tubular member 3 formed using a hat-shaped sectional member and a coating part 5 having quality of material with a strength lower than that of the tubular member 3 disposed with a gap 11 of 0.2 mm to 3 mm on an outer surface of a portion including a corner 7c in the tubular member 3; and a coating film forming process S1-2 of forming a coating film 13 in the gap 11 by electrodeposition coating.