
Description
Backup Electrodes for Uppers have a refractory metal face which has greater wear resistance than copper.
A refractory metal face is made of RWMA Class 11 (75% tungsten, 25% copper) (ASTM 702 C1D) is brazed onto the base material. This face is typically used for welding at higher pressure and heat common with projection welding.
Specifications
TUFFALOY
Specialty Devices