XL-CU is developed for joining and surfacing pure copper. It is used for welding and rebuilding of bronze, brass etc. It is suitable for weld repairs on valves, pumps, shafts, gears, wheel, wire guides, break drums etc. It is also suitable for welding steel and cast iron to copper alloy.
For arc welding of Aluminum alloyed with copper, silicon and magnesium. Also excellent for joining dissimilar grades of Aluminum.