Socket Weld Full Coupling

Socket Weld Full Coupling for changes in direction, branching and size transitions, available on MetalMitra in standard and custom sizes to ASME B16.11, with mill-certified traceability on every lot.

Through MetalMitra you can source Socket Weld Full Coupling in stainless steel, carbon steel, alloy steel, duplex, nickel alloy and other grades, across a broad range of sizes and pressure ratings.

A socket weld full coupling joins two pipes of the same size end-to-end with sockets on both sides.

Socket weld fittings are forged fittings with a socket bore into which the plain-end pipe is inserted and fillet welded. They are widely used for small-bore process, steam, instrument and hydraulic lines where a strong, leak-tight joint is needed.

Product range

• Elbows & Tees — 45° and 90° elbows, equal and reducing tees.
• Couplings — Full, half and reducing couplings.
• Unions & Caps — Unions, caps and reducer inserts.
• Bosses — Socket weld bosses for branch connections.

Why engineers choose it

• Pipe-to-Pipe — Joins two plain-end pipes.
• Strong Joint — Fillet welded on both ends.
• Forged Strength — Dense forged grain flow for high-pressure duty.
• Easy Alignment — Socket ends hold the pipe true while welding.

Socket Weld Full Coupling Material & Grades

Pressure Class vs Pipe Schedule

As per ASME B16.11, the pressure class of socket weld fittings is matched to the wall thickness of the connecting pipe:

Where it is used

• Oil & Gas
• Petrochemical
• Chemical Processing
• Refineries
• Power Generation
• Fertilizer Plants
• Pharmaceutical
• Marine & Offshore
• Water Treatment
• Sugar Industry
• Pulp & Paper
• Heat Exchangers
• Fabrication
• General Engineering

Inspection & paperwork

Suppliers on MetalMitra back Socket Weld Full Coupling with the checks and paperwork your QA team expects.

• Dimensional inspection as per ASME B16.11
• Socket bore and depth check
• Visual inspection
• Positive Material Identification (PMI)
• Hardness testing as applicable
• EN 10204 3.1 Mill Test Certificate
• Third-party inspection (TPI) on request

The MetalMitra advantage

• Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
• Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
• Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
• Global logistics — Seaworthy packing and dispatch to project sites across the world.

Get a quote

Tell us the specification, quantity and destination you need for Socket Weld Full Coupling. MetalMitra connects you with suppliers who can deliver.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.