Established in 1978, Texas Tubular Products, a division of Friedman Industries, is a domestic manufacturer of ERW Carbon Steel Pipe used in the energy, construction and water well industries. We produce API 5L Line Pipe in grades X42 and X52 in PSL1/2 from sizes 4 1/2" OD thru 8 5/8" OD in Schedule 40 and lighter. We also produce API 5CT in grades J55 and K55. Additionally TTP is a manufacturer of ASTM A500B/A53B in sizes 3 1/2" OD thru 8 5/8". Texas Tubular Products is a division of Friedman Industries, Inc.