... Pitch: 4mm-30mm 3.Fins Height: 5mm-25mm finned tube making machine 1.G fin, L fin, LL fin, I fin, ... 87~11.5FPIFin Height Max 16mmHL-Fin Tube(Wrap On Type)All Kind of Material can be appliedCopper C1100, C122012. ... 50.87~11.5FPIFin Height Max 16mmHG-Fin Tube (Imbeded Type)Aluminum A1100, A1050, A1060High Frequency Welded Finned TubeCarbon Steel ... Kind of Material--6.35~402~9FPI finned tube making machine