Chipping
A method for removing seams and other surface defects with a chisel or gouge so that such defects will not be worked into the finished product. Removal of defects by gas cutting is known as “de-seaming” or “scarfing.” Machining away the surface on the main faces of a billet to remove faults, which would give rise to unsatisfactory products in the final stages of rolling and drawing. Also known as “scalping.”