【摘要】 采用限动芯棒连轧工艺生产无缝钢管，再加上先进的在线检测技术，使得无缝钢管产品的质量有了可靠的保证。本文总结了天津钢管公司投产以来限动芯棒连轧工艺生产的实践，对生产过程中出现的主要工艺技术难点、易产生的产品缺陷作了详细分析，并提出了预防解决措施。更多还原

【Abstract】 The quality of seamless tube can be improved greatly by using retained mandrel mill with on line inspection This paper summarizes the practice of retained mandrel mill at TPCO (Tianjin Pipe Corp ), and a detailed analysis of technical difficulties and major product defects were given with proposed the precaution measures更多还原