ENERTEC Can supply the specialized requirements of the Offshore industry in sourcing pipes (carbon steel, alloy steel, stainless steel and duplex), flanges and fittings of particularly high-yield grades and large OD dimensions to the FPSO conversion, shipbuilding, ship repair and oil, gas and petrochemical markets.

Carbon steel and high-yield alloy steel pipes

We can provide carbon steel and high-yield alloy steel pipes in the following specifications:

  • ASTM A106: ¼in to 24in OD seamless – all wall thicknesses
  • API 5L grade B/ASTM P1, P5, P9, P11, P22, P91, A53/X42/A333 Gr6: ¼in to 24in OD seamless and 18in to 106in DSAW, LSAW and ERW
  • APL 5L - X52, X56, X60, X65 and X70: ¼in to 24in seamless in wall thicknesses of up to 60mm; 18in to 106in DSAW and ERW

Stainless-steel and duplex pipes

ENERTEC offer stainless-steel and duplex pipes in all grades and dimensions of ASTM A182.


ENERTEC can supply a wide range of flanges, including carbon steels, low-temperature alloys, high-yield grades, stainless steels, super-stainless and exotic alloys. Our range of flanges includes the following:

  • SAE flanges – 3,000lb and 6,000lb rated
  • Plate flanges
  • Rings and sockets
  • Forged discs, caps and dished ends
  • Long weld-neck flanges
  • Seamless piped flanges
  • Nozzles (with and without radius)
  • Anchor flanges
  • Swivel-ring flanges
  • Customised flanges in line with customer specifications

Forged fittings

ENERTEC can supply forged fittings to BS3799 are available in carbon and low-temperature alloys, as well as stainless and other materials upon request, and are 3,000#, 6,000# and 9,000# rated. The forged fittings are screwed and socket weld with the following:

  • 45° and 90° elbows
  • M/F street elbows
  • Tee pieces
  • Cross pieces
  • Full and half couplings
  • Caps and plugs – square, hex and round head
  • Hex bushes and nipples
  • Unions, screwed and socket weld – male/female
  • Weld bosses
  • Reducing inserts
  • Weldolets, sockolets, elbolets, latrolets and nipolets

All of our materials conform to NACE MR0175.

Butt weld fittings

ENERTEC is able to offer a supply capability on a full range of butt weld fittings, including the following:

  • Carbon, low-temperature alloys, exotic alloys; stainless and other materials are available upon request
  • 45° and 90° elbows (short and long radius)
  • Tees, equal and reducing
  • 180° return bends (short and long radius)
  • End caps
  • Reducers, concentric and eccentric
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