The brazing of dissimilar metals is shown in this video. It shows the silver brazing to join the Stainless steel SS 304 tube of 0.4 mm diameter with 22 mm thick copper plate. The silver rod is used as filler material. The required temperature for proper silver brazing is 800 to 900 degree C. Both parts to be brazed needs to be at the required temperature to have proper capillary action which fills the gap between the parts to be brazed.