In the past, the bell-type annealing process has often been seen as the sole cause of stickers although there are a number of different types of stickers caused by many different factors. This article discusses the various types of stickers, the mechanisms that produce them and the precautions which can be taken to prevent their occurrence. Throughout the world, there are companies which suffer losses of up to 10 percent as a result of stickers. Leading rolling mills which have focussed on the problem of stickers and the processes that produce them have been able to reduce the average share of stickers to less than 1 percent. Stickers have therefore lost the prominence among surface defects that they had in the 1990s.
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