(1) EN 1993-1-6 gives basic design rules for plated steel structures that have the form of a shell of revolution. (2) This Standard is intended for use in conjunction with EN 1993-1-1, EN 1993-1-3, EN 1993-1-4, EN 1993-1-9 and the relevant application parts of EN 1993, which include: Part 3.1 for towers and masts; Part 3.2 for chimneys; Part 4.1 for silos; Part 4.2 for tanks; Part 4.3 for pipelines.