This document specifies the size, shape, technical requirements, inspection and testing, packaging, marking and inspection documents of continuously hot-rolled steel sheet and strip for automobile structural use. This document applies to carbon and micro-alloy steel continuously hot-rolled steel strips, which have good cold forming properties, as well as steel sheets cut crosswise and steel strips cut vertically, as produced by Baoshan Iron & Steel Co., Ltd., hereinafter referred to as steel sheets and strips. The products are used for manufacturing automobile beams, cross beams, wheels, automobile transmission shaft tubes, automobile axle housings and other structures.