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Tools

Metal Glossary


Recrystallisation

The change in crystal structure of a cold worked metal that occurs when heated through a specific temperature range.


Roll Marks

Periodic surface marks on a work-piece caused by imperfections on the surface of a roll.


Rolled-in Scale

A surface defect caused by patches of scale that were pressed into the surface of the work-piece during rolling.


Roller Levelling

The process of flattening sheet metal by passing it through a roll train of staggered rolls. Levelling is achieved by precisely bending metal strip back and forth as it is passed through a the series of small-diameter offset rolls.