冷轧(拔)特厚壁管的生产

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

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.