... Pitch: 4mm-30mm 3.Fins Height: 5mm-25mm MaterialSeamless Tube:SA179, SA106-B, SA210-A1,SA210-C, SA106-C,SA334-6SA213- ... T11, T12, T22SA213-TP304, TP304H, TP316L, TP321, TP347HDIN17175 ST35.8 P235GHWelded Tube ... for almost all chemically aggressive fluids Fin Material Aluminum Tube material Any metal Working Temperature Atmospheric corrosion resitance/Excellent ...