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Stockholder & manufacturer · ISO 9001:2015 · Part of the Petrochem Group

Steel flanges, elbows, tees and plugs laid out on a white background

Fittings

Stainless steel
forged fittings

SA182 F304/L and F316/L socket weld and screwed fittings to ASME B16.11 and BS 3799, in Class 3000 and 6000.

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Stainless forged fittings for small-bore pressure lines

We offer a wide range of stainless steel forged fittings, including elbows, tees, couplings, unions and more, forged from ASTM/ASME SA182 F304/L and F316/L. Our fittings are made to ASME B16.11 and BS 3799 in Class 3000 and 6000, with socket weld ends or screwed NPT and BSPT threads.

With our experience and product knowledge we can help you choose the right fitting for your application. Midsteel also carries stock of forged bar to machine special fittings to your requirements or drawings.

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Stainless steel forged fittings stocked by Midsteel

Specification

Stainless forged fitting specification

Material ASTM/ASME SA182 F304/L and F316/L
Standards ASME B16.11 and BS 3799
Pressure class 3000# and 6000#
End connections Screwed NPT, screwed BSPT and socket weld
Origin Non-European
Certification ISO 9001, PED and EN 10204 3.1

Other grades, pressure ratings and wall thicknesses are available on request. Material test certificates to EN 10204 3.1 are supplied as standard.

In stock

Fittings in stock

  • 45° and 90° elbows
  • Half, full and reducing couplings
  • Equal and reducing tees
  • Male/female elbows
  • Unions
  • Hex, square and round head plugs
  • End caps
  • Crosses
  • Hex bushes
  • Equal and reducing nipples
  • Pipe nipples
  • Concentric swage nipples
  • Reducing inserts
  • Screwed, socket weld and butt weld outlet fittings

Socket weld or screwed?

Socket weld fittings accept the pipe into a counterbore and are fillet welded around the outside. They give a strong, leak-tight joint on small-bore lines and are easier to align than butt welds. Screwed fittings let you assemble and dismantle without hot work, which suits instrument lines, drains, vents and areas where welding is restricted.

Match Class 3000 fittings to Schedule 80 pipe and Class 6000 fittings to Schedule 160 pipe as a rule of thumb, and check the thread form (NPT or BSPT) against the equipment you are connecting to.

Specials from forged bar

If the fitting you need isn't standard, our machine shop can make it from our stock of forged bar.

  • Machined to your drawing or requirement
  • Outlet fittings in screwed, socket weld and butt weld
  • Urgent items often despatched same day
  • ISO 9001:2015Lloyd’s (LRQA) approved quality system
  • EN 10204 3.1 certsFull material traceability as standard
  • Same-day serviceAvailable on urgent stock and machined specials
  • In-house machiningSpecials and hard-to-find sizes made to order

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FAQs

Stainless forged fitting questions

Can't find the answer? Our sales team can advise on grades, standards and lead times.

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Our stainless forged screwed fittings are available with NPT or BSPT taper threads. Socket weld fittings are also stocked.
An outlet fitting (often called a branch outlet or olet) is welded onto a larger run pipe to create a branch connection without a full tee. We stock screwed, socket weld and butt weld outlets.
Yes. We hold forged bar and can machine special fittings to your requirements or drawings.

Need a price or a delivery date?

Send us your enquiry, schedule or drawing and our sales team will come back to you with stock, price and lead time.

Request a quote 01384 400290