Stainless steel expansion bellows-welded to stainless steel pipe ends

摘要

Stainless steel expansion bellows are welded with a hermetic seal to ends of pipe ends of stainless steel by first welding stainless steel collars to the pipe ends rebating the collars to produce axially extending flange ends on which are located flanged ends of the expansion bellows and then welding the ends of the bellows to the rebated collars.