What is it?
This defect appears as a continuous wavy line on the top and bottom surface of a coil. It can also be called a snake mark. This defect usually happens as result of a work-roll wear in the scale breaker at the pickle line.
“When I have something I need to sell, move, or get off the floor, Mainline is my go to. I know they’ll always work with me to find a solution. –Supplier of 20 Years