The RCS – Refined Cast Steel has finished. With the obtained prototype and knowledge about decarburizing and dessulphurization/ dephosphorization ol liquid steels, by means of using additives made with industrial residues, Ferespe is now able to produce cast steels with even enhanced mechanical properties. With lower Carbon contents in the case of stainless steels, being also able to recover internal metallic wastes. With lower Sulphur and Phosphor, to obtain better properties, being able to provide clients with a larger range of special steels. By the other hand, W2V is able to develop and commercialize additives for foundry and steelmaking with formulations incorporating industrial wastes.