Institut de recherche de la sidérurgie

The Institut de recherche de la sidérurgie (IRSID) is the old name of ArcelorMittal Maizières Research SA, a private research center related to the siderurgical society ArcelorMittal (originally (Usinor, then Arcelor)), founded in 1946 and situated at Maizières-lès-Metz, in Lorraine. Two of the Institute's three centres were closed in 1993. It employs around 500 people, including more than 200 researchers.

This research site is specialized in the following domains:
 * Steel for automobile
 * Steel for packaging
 * Steel manufacturing procedures