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Fittings & Flanges


Austriatubi supplies a large range of fittings: butt-weld and forged fittings (SR/LR & XLR), elbows and bends, tees, concentric and eccentric reducers, caps and stub ends in carbon, stainless, corrosion resistant steels and non ferrous alloys.

Sizes range from 1/2" to 102" and according to the client's design specifications.


Austriatubi supplies carbon steel, stainless steel and high alloy steel flanges and flange related products for the offshore and onshore oil and gas industry.


Carbon Steels: ASTM A105N

Low Temperature Alloys: ASTM A350 LF2

Alloy Steels: F1, F5, F9, F11, F12, F22

High Yield (Offshore) Grades:
F52, F60, F65, F70

Stainless Steels: F304, F304H, F304L, F316, F316H, F316L, F321, F321H, F347, F310

"Super" Stainless: UNS 31803 (Duplex)
UNS 32760 (Super Duplex), UNS 31254 (6 MO)

Product Types:

  • Flanges and forgings as per standard and special requirements
  • SAE Flanges 3000 and 6000lb rated
  • Plate flanges
  • Rings and sockets
  • Forged discs, caps and dished ends
  • Long-Welding-Neck flanges
  • Seamless piped flanges
  • Nozzles (with and without radius)
  • Anchor flanges
  • Swivel-Ring flanges
  • Forged reducers (concentric/eccentric)
  • Customised flanges in line with customer's specification

 Carbon steel qualities




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