▎ 摘　　要

NOVELTY - Composite aluminum pipe with G-shaped pipe comprises a steel pipe, an aluminum pipe and a fin, where the steel pipe and the aluminum pipe are combined by cold drawing; where the fin is connected with the aluminum pipe by a groove outside the aluminum pipe and the outer part of the G-shaped pipe of the composite aluminum pipe is provided with a coating layer. USE - Used as a composite aluminum pipe with G-shaped pipe. ADVANTAGE - The composite aluminum pipe: has good heat exchange effect, wear resistance, corrosion resistance and good mechanical strength, and reduced cleaning process; saves energy and ensures reduced emission. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for processing technique of composite aluminum pipe with G-shaped pipe, comprising (a) uniformly mixing the modified epoxy resin with filler, auxiliary agent and water, adding curing agent, uniformly mixing to obtain a slurry; and (b) combining the aluminum pipe on the outside of the steel pipe by means of cold drawing, where the outer part of the aluminum pipe is provided with a groove, embedding the fin outside the aluminum pipe through the groove, spraying slurry, drying, and forming a coating layer.