... -512-91A and ASTM A214 and A513 4.zinc,copper,PVF air conditioner cooling tubeThe low carbon steel brake tube is ... the client include 4.76mm×0.7 mm,6.35 mm×0.7 mm and 8 mm×0.7 mm Plating:Yellow Zinc ... ,White Zinc,Copper and PVF. Package:in coils ... , condenser, compressor, evaporator etcOEM is available air conditioner cooling tube PVF coated