Steel Pipe Inner and Outer Wall Shot Blasting Machine is a combined cleaning machine designed to clean both the inner and outer walls of steel pipes. It uses shot blasting to clean the outer surface and shot peening to clean the inner surface, effectively removing the oxide scale. The steel pipe shot blasting machine primarily utilizes a high-efficiency and powerful shot blaster to project a high-speed stream of shot onto the rotating workpiece inside the chamber, removing adhered sand, rust layers, welding slag, oxide scale, and other debris. This process results in a fine and smooth surface. It enhances the adhesion of the paint film to the steel surface, improves the fatigue strength and corrosion resistance of the steel, enhances the internal quality of the steel, and extends its service life.