Control rod guide pipe used in nuclear reactors consists of a first tube connected to a second tube along the supporting surface by a welding joint

摘要

Control rod guide pipe consists of a first tube (3) connected to a second tube (4) along the supporting surface (5) by a welding joint extending over the whole supporting surface. An Independent claim is also included for a process for joining a control rod guide pipe. Preferred Features: The welding joint is produced by fusion welding, laser welding or electron beam welding. The guide pipe is made of a metallic alloy containing zirconium.