PIPE, TUBE & FITTINGS Fin-Tech , Inc. is able to provide mechanical polishing for pipe, tube and fittings from 1.5" diameter and up and electropolishing for virtually all sizes (overall length is normally not a factor). Both mechanical polishing and electropolishing can be achieved on the inside diameter and the outside diameters of almost any part. Most any schedule of pipe and gauge of tube can be processed to the finish required by the customer. In addition to pipe, tube, fittings, Fin-Tech can also provide mechanical polishing and electropolishing for a variety of other process parts such as: Valves, Filter Plates, Cold Fingers, Cat Nozzles, Mixers, Shafts and Impellers, Baskets and Rotors.