History
In 1964, de Wendel and Sidélor decided to jointly create, in the form of a cooperative, a 2.6 Mt/year pure oxygen steelworks. Then, in 1968, Sacilor, Sidélor, Union Sidérurgique Lorraine and Société Mosellane de Sidérurgie (or SMS) merged to form Wendel-Sidélor. The new group maintained...