Ilsenburger Grobblech GmbH, a Salzgitter AG subsidiary, completes its Bundeswehr approval campaign for four SECURE protection steel grades in May 2026. The certified portfolio now covers eighty to ninety percent of military vehicle steel requirements from a single European source. The grades undergo rigorous ballistic, blast, and weldability testing by Germany's Military Technical Center 91. The company will showcase its expanded defence steel range at Eurosatory 2026 in Paris from June fifteen to nineteen.