Offshore Pipeline Solutions


You have successfully submitted your enquiry. Someone from our company will respond ASAP

High-Yield and Large OD Pipes, Fittings, Flanges and Ancillary Piping Accessories

22 Osborne Road,
Newcastle upon Tyne,
NE2 2AD,
United Kingdom
Fax Number

Offshore Pipeline Solutions (OPS) specialises 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.

Our customers have come to rely on our expertise and capacity to provide precisely tailored packages, meeting their most challenging and complex technical specifications. With over 25 years in the industry, we have built up an extensive network of mills and manufacturers throughout the world, enabling us to supply rapid and cost-effective solutions.

Carbon steel and high-yield alloy steel pipes

OPS provides 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

OPS offers stainless-steel and duplex pipes in all grades and dimensions of ASTM A182.

X52 and X65 pipe spools.
Flanged pipes ready for commission.
F51 RFWN flange.
36in sub-sea radial flow-tee F65 supplied in eight weeks.


OPS supplies 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

OPS’ 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

OPS 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

We have successfully delivered bespoke material packages to many clients, including British Petroleum, Conoco Philips, Technip, ExxonMobil, Hyundai Heavy Industries, Khalda Petroleum, AMEC Paragon, Single Buoy Moorings, Kuwait National Petroleum Company, Apache Energy, Aker Oil & Gas, Allseas Engineering, Sembawang Shipyard, Ras Laffan Olefins, Petronas and Woodside Energy. To date, our materials have been exported to 31 different countries.

White Papers

Press Releases


Offshore Pipeline Solutions Ltd
22 Osborne Road
Newcastle upon Tyne
United Kingdom