Litʹë i Metallurgiâ (May 2012)
DEFECT «TRACKS FROM CUTS ON ROLLERS» ON THE EXTERNAL SURFACE OF SEAMLESS HOTROLLED PIPES
Abstract
The defect, revealed on an external surface of sleeves at piercing of slug at piercing mill of helical rolling of construction «СТР100VD» with twin-pillar rollers of mushroom shape and guiding disks of Disher, is considered.