IIW
IIW - International Institute of Welding
Commission XV of IIW is working on Design, Analysis and Fabrication of Welded Structures.
One Working unit of this Commission is Group XV-E "Tubular Structure".
Under this umbrella Working unit XV-E was preparing design guidelines for welded joints in tubular structures subjected to both, static loading and fatigue. Working unit XV-E is responsible for two ISO standards on these topics.