In production of pipe linesteel 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。
2
To introduce the process of wire drawing process, chemical Cu-plating process and formulation of top grade submerged-arc welding wire for pipe linesteel.
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。
3
The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe linesteel. The accuracy of adopted determination method is high.