A continuous galvanizing line (CGL) restores the mechanical properties of the cold rolled steel by heating the strip up to the annealing temperature (recrystallisation), then applies onto its surface a metallic coating by dipping into a molten bath. One of the main goals of the metallic coating is to improve the corrosion resistance of the steel.
Drever International furnaces allow heating the strip in a controlled atmosphere to keep a clean surface suitable for the hot dip galvanization process. They also have a perfect control of the heating and of the cooling rate requested to perform the heat treatment of the most advanced steel grades.
Continuous annealing lines
A continuous annealing line (CAL) restores the mechanical properties by recrystallisation of the steel after cold rolling by heating the strip up to the annealing temperature. It processes either very thin strips used for tin plate applications or cold rolled coils subsequently transformed into sheets. It can also be designed in such a way that processing coils for both tinplate and sheets is possible on the same Continuous Annealing Line.
Drever International furnaces provide a perfect control of the heating and of the cooling rates requested to perform the heat treatment of the most advanced steel grades, for both sheets and tin plate applications.