https://siderurgie.sbdz.be/period/avant-1960/https://siderurgie.sbdz.be/period/lage-dor-de-la-siderurgie-liegeoise/https://siderurgie.sbdz.be/period/les-annees-arcelor-mittal/https://siderurgie.sbdz.be/period/les-annees-cockerill-sambre/https://siderurgie.sbdz.be/period/les-annees-usinor-arcelor/