ground concrete pump pipe is the ordinary 20# carbon steel, by the fluid tube or the straight seam tube, processing. The ground concrete pump pipe is a kind of strip steel with hollow section and no seams around. The pump tube has hollow section and is used as a conduit for conveying fluids, such as pumping oil, natural gas, gas, water and some solid materials. Compared with solid steel such as round bar, the ground pump pipe is a kind of economic section pipe, which is widely used to manufacture