Pipeline operators have often managed the integrity of early generation seam welds through hydrostatic testing. More recently, in-line inspection (ILI) technologies have emerged as another option to identify seam weld defects that could affect…
Major advances have been made in recent years in the production of electric resistance-welded (ERW) and high-frequency induction (HFI)-welded line pipe, particularly in the area of automated process control procedures designed to ensure uniform,…
In recent years, several pipe mills have produced heavy-wall, large diameter pipe from plates of microalloyed steels that were controlled-rolled to develop properties to meet the API 5LX Grade 70 or Grade 80 requirements and that were electric…