Abstract: A bronze outlet pipe and making process thereof comprises the steps of: a. fluid inflation forming; b. working an outer wall of the tube member; c. working a first and a second connectors; d. working an arcuate leadless brass tube; e. selectively welding the first inlet with the orifice or welding the first outlet with the mouth together; f. welding the first connector and the tube member together; g. selectively welding the first connector or the second connector with the first opening of the first inlet together, or welding the orifice of the first connector or the mouth of the second connector with the first inlet of the tube member or the first outlet of the tube member together; h. surface treating; wherein the tube member and plural welding portions are surface treated to finish the bronze outlet pipe.