Brown Fintube manufactures a complete line of fintubes in a full range of sizes and materials to meet virtually any heat transfer requirement. Metallurgy is completely flexible and combinations of different fin and tube materials can be provided. The resistance welded fintubes developed and perfected by Brown Fintube offer more proven advantages to the user than any other kind of extended surface tube. The welding of the fins integral to the parent tube assures continuous high heat transfer efficiency and the absence of any stress concentrations within the tube wall.