Socket press-fit type metal pipe fitting

The utility model discloses a socket press-fit type metal pipe fitting. INCLUDING METAL PIPE, the end, used for being connected with a pipe, of the metal pipe fitting is coaxially connected with a butt joint. The butt joint comprises an inner pressure pipe and an outer pressure pipe coaxially arranged outside the inner pressure pipe in a sleeving mode. The size of the cross section of an annular gap formed between the inner pressing pipe and the outer pressing pipe is matched with the size of the cross section of the pipe, the end, close to the metal pipe fitting, of the annular gap is closed,the inner diameter of the inner pressing pipe is not larger than that of the metal pipe fitting, and the outer wall of the inner pressing pipe and the inner wall of the outer pressing pipe are coatedwith sealant. The utility model discloses a metal pipe fitting. The connecting end part is a double-layer bell and spigot; the connection between the pipe fitting and the pipe can be realized in an inserting manner; meanwhile