Technical output


Pressure Vessels, Boilers and Pipelines

From the Chair

By sharing our experience and expertise we analyse the impact of welding processes on pressure equipment throughout its life cycle, covering aspects such as materials, stresses, defects, reliability and costs.

Terms of reference

Commission XI and its sub-Commissions deal with any aspects of pressure vessels and pipelines that can be impacted by welding throughout their life cycle. Commission XI brings together a unique mix of regulators, fabricators, researchers, owners, material suppliers and contractors. This group often collaborates with other IIW Technical Commissions to apply their work toward the design, fabrication, life prediction and failure prevention of components, vessels and pipelines.