... fins can be effected. Extruded Bi-metalic Aluminium finned tubes for construction of heat exchangers for the range of ... coolers, heat pipes, hydrogen coolers, industrial tumble dryers, intercoolers, immersion heaters, oil coolers, radiators, refrigeration, solvent recovery and steam ... heat exchangers.Fin Materials:Aluminium or copper.Bare Tubes Materials:Bare tubes can be of any material such as brass, ...