Outokumpu's lean duplex grades LDX 2101-? (EN 1.4162) and LDX 2404-? (EN 1.4662) recently received general approval Allgemeine bauaufsichtliche Zulassung (AbZ) by the German national building authority Deutsches Institut f?r Bautechnik (DIBt). This approval designed for the building industry means that manufacturers of building and construction components can use lean duplex grades and utilise their benefits without applying for a specific approval for the manufactured component.

The approval covers lean duplex coil and plate products up to and including 30 mm thickness and bar products up to and including 40 mm diameter as well as all components manufactured from these materials.