Multi-layer pipe with edge-wrapped end faces

The multi-layer pipe comprises an inner pipe, a middle layer and an outer pipe, the middle layer is made of plastic or rubber, the inner pipe is made of stainless steel, the inner pipe comprises an inner sleeve and two covered edges, the inner sleeve, the middle layer and the outer pipe are sequentially connected in a sleeved mode from inside to outside, the outer pipe comprises a socket part, a straight pipe part and a spigot part, and the socket part, the straight pipe part and the spigot part are sequentially connected. The inner sleeve covers the inner wall of the straight pipe part and the inner wall of the inserting opening part, the two covered edges cover the end face of the inserting opening part and the end face of the straight pipe part respectively, and the two ends of the inner sleeve are fixedly connected with the two covered edges respectively. The inner pipe made of stainless steel serves as a lining, the outer pipe is prevented from being rusted and polluting water, the middle layer is made o