Matter from steel strips (oxides or iron particles) that sticks and builds-up on furnace rolls in CALs & CGLs due to mechanical
and/or chemical interactions.
Pick-up on roll
Pick-up on roll
What do Pick-ups cause?
Pick-ups can mark/dent or form pits on the steel strip effecting product quality
Increase the shutdowns for machining/replacing coated rolls
Pick-up tests
NoStickRoll equipment developed to reproduce industrial pick-ups
Steel strip is annealed under controlled conditions
A pair of rolls rotate on a steel strip at a controlled speed, temperature and atmosphere.