Alloy tubes feature hollow cross-sections and are extensively used as pipelines for conveying fluids, such as oil, natural gas, coal gas, water, and certain solid materials.Alloy Steel PipeCompared to solid steel products like round steel, alloy steel pipes are lighter in weight while maintaining the same bending and torsional strength. They are an economical cross-section steel widely used in the manufacture of structural components and mechanical parts, such as oil drilling pipes.Automotive Propeller ShaftBicycles frames, steel scaffolding for construction, and other similar items. Alloy steel pipes are used to manufacture circular components, which can enhance material utilization, simplify manufacturing processes, and save on materials and labor. Examples include roller bearing races and jack sleeves, which are commonly made from steel pipes. Alloy steel pipes are also essential materials for various conventional weapons, with tubes and barrels being made from steel pipes. Alloy steel pipes can be categorized into round tubes and non-standard tubes based on their cross-sectional shapes. Due to the larger circular area with equal circumferences, round tubes can convey more fluid. Additionally, circular cross-sections distribute forces more evenly when subjected to internal or external radial pressures, making round tubes the most prevalent type.