Seamless pipes are cylindrical, square, or rectangular steel tubes with a hollow center and no visible seams around the circumference. These pipes are manufactured by piercing a solid steel billet or a solid tube and then shaping it through hot rolling, cold rolling, or cold drawing processes. Due to their hollow structure, seamless pipes are widely used for transporting fluids, gases, and other materials in industrial applications. Compared to solid steel sections like round bars, seamless pipes offer greater strength-to-weight ratios, making them a cost-effective and efficient choice for structural and mechanical components. They are commonly used in oil drilling equipment, automotive drive shafts, bicycle frames, and construction scaffolding.
In simple terms, seamless pipes are produced by creating a tube blank from a solid steel rod, then finishing it through cold drawing or hot rolling to achieve the desired dimensions and quality. On the other hand, fake or counterfeit seamless pipes found in the market are typically welded pipes that have been either directly welded or expanded. Most of these fake products are thin-walled, which makes them less durable and unsuitable for high-stress applications.
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