Metal three-way connector

The utility model provides a metal three-way joint which comprises a metal main body which is integrally arranged, the metal main body comprises three groups of axial main bodies, each group of axial main body sequentially comprises an inner connecting section, a hard sealing tightening section and a non-tightening section from the axial inner end to the axial outer end, and a three-way main body is integrally arranged among the three inner connecting sections. An included angle of 10-170 degrees is formed between every two axial leads of the three groups of axial main bodies; the inner connecting section comprises an inner connecting part and a pipe end blocking step, the hard sealing and tightening section comprises a hard sealing and tightening part and a first convex ring, the first convex ring is arranged on the inner wall of the hard sealing and tightening section and is in an annular convex state from the inner wall of the hard sealing and tightening section to the radial inner side of the hard sealing