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Carbon Steel Flanges & Pipe Fittings

Flanges to ASME B16.5 and B16.47, butt-weld fittings to ASME B16.9 — in carbon, low-temperature, alloy and stainless steel, supplied with EN 10204 3.1 mill test certificates.

Flanges

Flanges

Six flange types cover almost every Gulf project line. Click any item for the full specification.

Weld Neck Flange

Butt-weld neck for high-pressure and high-temperature lines.

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Slip-On Flange

Slides over the pipe and fillet welds on both sides. Easy alignment.

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Blind Flange

Seals pipe ends and nozzles for testing or future expansion.

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Threaded Flange

Screws on without welding for low-pressure and repair lines.

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Socket Weld Flange

Pipe fits into a recessed socket, then one fillet weld closes the joint.

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Lap Joint Flange

A loose ring behind a stub end, so the bolt holes can be turned to line up.

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Butt Weld Fittings

Butt Weld Fittings

Bevelled fittings to ASME B16.9, in carbon, low-temperature and stainless grades.

Butt-Weld Elbow (45° / 90°)

45 and 90 degree elbows in LR and SR, to ASME B16.9.

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Equal Tee

Runs and branches in equal and reducing sizes, to ASME B16.9.

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Also available on request

  • Concentric & eccentric reducers
  • Pipe caps
  • Bends and pipe nipples
  • Orifice flanges
  • Spectacle blinds
  • Stud bolts and gaskets
Materials

Material Grades

Carbon, low-temperature, alloy and stainless steel — matched to the service, with the heat number carried through to the certificate.

A105Carbon steel
A350 LF2Low temp carbon
A182 F304LStainless
A182 F316LStainless
A182 F11 / F22Alloy
A234 WPBButt weld fitting
A420 WPL6Low temp fitting
A403 WP316LStainless fitting
Standards

Standards We Work To

Dimensional and material standards held on every order. European and Japanese standards are handled through our custom service.

ASME B16.5Flanges 1/2″–24″
ASME B16.47Large diameter flanges
ASME B16.9Butt weld fittings
ASTM A105Carbon steel forgings

Need Something Outside This Range?

Send a drawing, a standard number or even a photo of the nameplate. We will tell you what we can supply and at what price.

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