Welding Method 7 (WM7), which was supported by an extensive set of research experiments led by the Electric Power Research Institute (EPRI), was approved in March 2020 by the National Board Inspection ...

For shaft repairs, LBW-W is generally more applicable than LBW-P. The first reason for this is that LBW-W has a lower probability of forming defects, namely porosity, which may result in rejectable ...

The welding of dissimilar metal joints in new and retrofit power plant boiler tubing has long proved challenging. New plants designed to operate at higher temperatures and pressures require advanced ...