pipe line steel

In production of pipe line steel at Beixi Iron and steel Co. several defects are pre-vented by adopting optimum technology.

围绕本钢生产石油管线用钢，结合生产中出现的问题，摸索出一套适合本钢热轧厂的最佳工艺。

To introduce the process of wire drawing process, chemical Cu-plating process and formulation of top grade submerged-arc welding wire for pipe line steel.

介绍管线钢用高等级埋弧焊丝拉丝工艺、化学镀铜工艺及配方。

The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high.

结果表明，此浸蚀剂是管线钢一种理想的奥氏体晶界浸蚀剂，所采用的测定方法的精确度较高。