Historicaly the third hot strip mill in Belgium was built in 1976 by "Hhainau Sambre" steel company and named as "Société Carolorégienne de Laminage" (CARLAM).
In 1981 the rolling mill was merged with Thy-Marcinelle and only year after with Cockerill society. Arcelor took over the plant in 2002.
In 2004 the new electric steel making shop was built, working today with one 160 t electric arc furnace and 180 t AOD converter.
Since 2010 the mill is running under Aperam brand.