This manual aims like a simple but effective tool, useful to the identification and assessment of weld defects. This work is therefore indicated to the technical offices, production departments,
welding inspectors and those in charge of inspecting welded structures. The structure purely functional and simplified of this manual has the purpose of facilitating the reader in identifying and
understanding of weld defects. In particular, will be analyzed and categorized many welding defects, followed by images, drawings and technical evaluations, result of years of experience of
specialists in the world of welded structures.