how to connect copper pipe and
aluminum sheet?it depends on the size and requirement, we can use ultrasonic wave rolling welding to connect copper pipe and
aluminum sheet.for example, solar energy radiator-fan contains connection of copper pipe and copper sheet, ultrasonic wave rolling welding equipment is used here.ultrasonic wave welding of metals is suitable for the welding of copper to copper, copper to aluminum and aluminum to aluminum.welding!Other related question