Profile: T F T, Inc. manufactures a full line of high frequency welded fin tubes. We produce high frequency solid fin tubes and high frequency serrated fin tubes using eleven finning machines, three duplex type benders and a number 2 pines. We offer bending for HRSG tubes, boiler tubes, economizer tubes, superheater tubes and replacement tubes. We work with various materials that include carbon steel, stainless steel, aluminum and chrome & nickel bearing alloys.