| 1947 | Foundation of the limited company "Société Anonyme D'Etirage à Froid", in short "SADEF". |
| 1952 | Purchase of and move to new industrial premises in the Bruggesteenweg |
| 1983 | A complete powder coating installation is commissioned with a length capacity up to 12 metres |
| 1984 | Truck sidemember production launched on a "just-in-time" basis. The same year a start is made with CAD/CAM |
| 1986 | The first welding line is in operation |
| 1991 | Take-over by VOEST ALPINE KREMS |
| 1994 | The first 3-D Laser started up. |
| 1996 | 54 Stand tube mill with prepiercing facilities is commissioned. |
| 1997 | First stainless steel sections are welded. The second laser is brought into use |
| 1999 | Introduction of E-coat |
| 2000 | Laser welding is integrated inline |