Causes and treatment methods of pitting and protrusions on the surface of precision stainless steel strip

The causes of pitting and protrusions on the surface of precision stainless steel strips:
1) The rough rolling rolls are severely worn, and the finishing rolling work rolls are severely worn;
2) Broken rolls and foreign matter rolled into the strip;
3) The quality of the roll is poor, the hardness is different, or the chilled layer is lost, and the wear is uneven;
4) The rolls of the finished product pass or the pass before the finished product are worn, corroded or stuck with broken oxide scales, etc.;

Methods and measures to prevent precision stainless steel strip defects:
1) Frequently check the use of rolls and strengthen roll replacement;

2) Strengthen the inspection of rolls to prevent defective rolls from going online;