Product Description Fluid steel pipe is a kind of steel pipe with hollow section and no weld from end to end. Fluid steel pipe has a hollow section, widely used as a fluid pipe to transport oil, natural gas, gas, water and some solid materials pipeline. Compared with solid steel such as round steel, fluid steel pipe has the same bending and torsional strength and is lighter in weight. It is a kind of economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffolding used in construction. Shandong Jianlong Iron and Steel Co., Ltd. is a company with more than 10 years of experience. We are located in Liaocheng, one of the largest steel producing areas in China. We have our own production plant. We also deal in prepainted steel coil, corrugated roofing sheet and carbon steel coil, etc. Welcome to purchase. …