Seamless Line Pipe

Trident Steel offers API 5L seamless line pipe from domestic and international mills. Seamless line pipe is manufactured by extruding metal from the center of cylindrical-shaped steel billet. The resulting hollowed out shape is seamless line pipe. Unlike ERW line pipe, there are no weld seams. Coated, job-ready material is available for same day shipment.  Trident Steel’s seamless line pipe is available in standard, schedule 40, schedule 80 and unscheduled size options.

Seamless Steel Pipe Features:

  • Available Sizes: 2 3/8 in. – 8 5/8 in. outer diameter (OD)
    See chart below for a full list of dimensions.
  • Grades: API 5L B through X52
  • Specifications: ASTM  A53-B, ASTM A106-B, ASME, API-5L
  • End Finishes: Plain-end beveled (PEB) for welding, Zap-Lok
  • Coating/Overlay Options: Fusion Bonded Epoxy, TGF-3, PowerCrete / Abrasion-resistant Overlay (ARO), and other customer-specific coatings.

To speak to a Trident Steel representative about seamless line pipe options, contact us today!

View line pipe spec sheet.

Seamless Line Pipe Dimensions and Weight:

DIMENSIONS ARE IN INCHES / TOLERANCES NOT SHOWN

OD Nominal Schedule Wall # / ft Bare # / ft FBE
2 3/8″ 2″ Std / 40 .154 3.66 3.73
2 3/8″ 2″ 80 .218 5.03 5.10
3 1/2″ 3″ Std / 40 .216 7.58 7.68
3 1/2″ 3″ 80 .300 10.26 10.36
4 1/2″ 4″ .188 8.67 8.80
4 1/2″ 4″ Std / 40 .237 10.80 10.93
4 1/2″ 4″ 80 .337 15.00 15.13
6 5/8″ 6″ .188 12.94 13.14
6 5/8″ 6″ Std / 40 .280 18.99 19.19
6 5/8″ 6″ 80 .432 28.60 28.80
8 5/8″ 8″ .188 16.96 17.22
8 5/8″ 8″ .219 19.68 19.94
8 5/8″ 8″ .250 22.38 22.64
8 5/8″ 8″ Std /40 .322 28.58 28.84