Copper Fin Tubes are processed out of good Quality plain Copper Tubes conforming to SB - 111 UNS No. C-12200 . Copper DHP Fin Tubes are extensively used in sugar refineries for condensers and evaporators. Deoxidized copper is the standard material for transferring heat from steam to water or air because of their excellent resistance to corrosion by fresh water and their high thermal conductivities.