ArcelorMittal has introduced a new range of flat steel products to the market, coinciding with a revision of the German industrial standard DIN 55634. The standard governs technical specifications for flat steel products used in construction and manufacturing applications. Whether the norm revision was driven by ArcelorMittal's product development or represents an independent standardisation process remains unclear. For structural engineers and steel fabricators, the updated standard may necessitate a review of existing specifications and procurement guidelines, particularly where DIN 55634 compliance is contractually required.