Altair's Brazing, Welding & Engineering Blog

Recall the blistering or ruptures that can be experienced when you braze non-OFE Copper in Hydrogen (see Blog Post October 7, 2009).  As a follow-up post, we want to briefly discuss “stringers.”  Stringers are actual holes or leaks paths in the material that follow grain directions and are intrinsic to many grades of materials that are used in vacuum applications.  (more…)