Heat exchange tube wall is generally not too thick and welding difficulty is relatively larger, but can be completely welded, in addition to choose in welds when appropriate amount of welding rod and welding current, electrode Angle during the whole operation should pay special attention to the annular welding process, has always been at the center of the arc slightly towards the tube plate, and the appropriate Angle before, and pay attention to the welding speed.You can do it by welding more test plates and summarizing your experience.

Phos-Copper-Silver Brazing Alloy