Shanghai ShengQiu Materials Co., Ltd

Seamless Steel Pipe Manufacturing: Hot Rolling vs. Cold Drawing   In the industrial materials sector, "seamless" specifically denotes a manufacturing process for seamless steel tubes , which are produced by directly piercing and rolling a solid round steel billet, entirely excluding any welding steps. This distinct fabrication technique imparts the tube with a continuous and uniform microstructure and consistent mechanical properties, establishing it as a critical, irreplaceable material for high-pressure, high-temperature service conditions.   This article delves into the two primary manufacturing methods for seamless steel pipes, hot rolling and cold drawing , unveiling the intricacies behind this vital industrial material.   Hot Rolling Process: The Art of High-Temperature Forming Hot rolling is the most traditional manufacturing process for seamless steel pipes. Its core procedure involves piercing and rolling a solid round billet at high temperatures, ...