冷轧(拔)特厚壁管的生产  

COLD ROLLING (DRAWING)OF PIPES WITH OVER-THICK WALL

作　　者：陈世春 

机构地区：[1]成都无缝钢管厂

出　　处：《钢管》1989年第5期1-3,共3页Steel Pipe

摘　　要：本文介绍了采用轧制定壁、拔制定径、轧拔结合的变形方式试轧φ76×21mm 30CrMnSiA钢特厚壁冷轧无缝钢管的经验。Experiences in the trial production of cold rolling seamless pipes with 76×21mm size, 30CrMnSiA steel and over-thick wall, using the deformation method of combining the wall determining by rolling with the sizing by drawing, are described.

关 键 词：厚壁管 定径 变形方式 管料 试轧 延伸系数 芯头 金属流动 轧制变形 道次 

分 类 号：TG335.7[金属学及工艺—金属压力加工] TG356.5