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In hollow profiles of car body structures, bolting points are required for system-carrying retaining components. Today, these are largely produced by welding assemblies from a cylindrical solid profile and sheet-metal bending components. These welded assemblies have to be protected from corrosion by means of costly electroplating. Furthermore, due to the gaps, quality risks in the coating are common. This is where forged parts come into their own. Although the larger, thin-walled component areas place high demands on material distribution in hot forging, the monoblock design means these areas do not have any joints and thus demonstrate very good corrosion resistance.