... thickness: 0.75-2.2mm diameter:6~22mm Applicaiton: for air-conditioner, refrigerator aluminum coil pipeAlloy: 1100 1200 1050 1060 3003 ... of pipe: 6 to 22mm Applications: electric heating tubes, condensers, air-conditioners,autoboibles water tanks, construction, oil floating disk, refrigerators, heating equipments ...