摘要
简单介绍了20钢无缝化ERW焊管的生产工艺流程及其主要设备。分析了20钢无缝化ERW焊管在生产过程中产生焊缝横向开裂的原因,提出了解决横向开裂的主要措施。通过严格控制原料的夹杂物级别和优化焊接、定径工艺可以有效地消除焊缝横向裂纹的产生。
This article briefly introduces production process flow and its main equipments of seamless ERW pipe of 20 steel,and analyzes cause of transverse crack occurred in production of seamless ERW pipe of 20 steel,and gives out the main measures to solve transverse crack.It is efficient to eliminate the occurrence of transverse crack on weld by means of optimizing welding,sizing process and strictly control to inclusions class of raw material.
出处
《焊管》
2007年第4期66-68,共3页
Welded Pipe and Tube