Aluminum alloy composite seamed pipe

The utility model relates to the technical field of seamed pipes, and discloses an aluminum alloy composite seamed pipe which comprises a pipe fitting body, the pipe fitting body is sequentially provided with a lining layer, a reinforcing assembly, a high-temperature-resistant epoxy resin layer, an anti-corrosion layer, a waterproof layer and a frosted layer from inside to outside, and guide bosses are annularly and evenly arranged on the outer side face of the lining layer. The reinforcing assembly comprises reinforcing pieces, supporting frames and limiting rods, the adjacent reinforcing pieces are fixedly connected, the supporting frames are arranged on the outer sides of the reinforcing pieces, the limiting rods are arranged in the space formed by the supporting frames and the reinforcing pieces, and the limiting rods are fixedly installed on the reinforcing pieces. A groove in which the guide boss is inserted is formed in the surface, opposite to the lining layer, of the reinforcing piece; and the guide