Allegheny-Longdoz
| Industry | Steel |
|---|---|
| Successor | Ugine & ALZ (U&A) ArcelorMittal Stainless |
| Founded | 1960 |
| Headquarters | Genk, Belgium |
| Products | Stainless steel plate and coil |
Coordinates: 50°56′05″N 5°30′38″E / 50.934592°N 5.510631°E
ALZ (Allegheny-Longdoz) is a stainless steel producer based in Genk in Limburg province, Flanders, Belgium.
In 2001 the company was merged with French stainless steel producer Ugine and in 2006 became part of the ArcelorMittal group as part of the stainless steel division.
ALZ was founded as a vertically integrated stainless steel producer in 1960 as an equal holding between Espérance-Longdoz (Belgium) (controlled by Evence Coppée) and Allegheny Ludlum (USA).
In 1970 Espérance-Longdoz (Société Métallurgique d'Espérance Longdoz) became part of Cockerill-Ougrée-Providence, and ALZ became a Cockerill subsidiary; Allegheny Ludlum disposed of its shares, and in 1971 Cockerill had a 90% stake of the shares. In 1979/80 the Cockerill group was restructure due to financial problems, and also disposed of its shares; German steel company Klöckner became a shareholder, in 1981 the other Flanders-based steelmaker Sidmar became a shareholder, by 1987 the majority shareholder. In 1988 the company became part of the Arbed group. In 2001 Arbed became part of Arcelor and ALZ merged with French stainless producer Ugine to become Ugine & ALZ (U&A).
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