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Forged Socket Weld Fittings

Precision socket weld fittings in Stainless Steel, Duplex and Super Duplex Steel — machined to ASME B16.11 for high-pressure, high-temperature piping systems.

Forged Socket Weld Fittings – 90 degree elbow
Product Overview

Forged Socket Weld Fittings

Socket weld fittings are designed for small-diameter, high-pressure piping where leak-free, permanent welded connections are required. Cunimet Alloy International manufactures these fittings to tight ASME B16.11 tolerances, ensuring a precise bore-to-bore fit between the fitting socket and the pipe outside diameter.

Available in pressure classes 3000# and 6000# (9000# on request), our socket weld fittings are widely used in oil & gas process lines, hydraulic systems, chemical processing plants and power station piping. All fittings are 100% dimensional-inspected and supplied with EN 10204 3.1 certificates as standard.

ASME B16.11 MSS SP-79 ASTM A182 SW Ends Per ASME B16.11 3000# / 6000# / 9000#
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Product Types

Socket Weld Fitting Types Available

90 Degree Socket Weld Elbow

90 Degree SW Elbow

Full-bore 90-deg socket weld elbow for permanent direction changes in high-pressure lines.

View Details 45 Degree Socket Weld Elbow

45 Degree SW Elbow

Forged 45-deg socket weld elbow for moderate angle piping changes with welded joints.

View Details Socket Weld Equal Tee

Equal Tee

Three equal socket weld outlets for permanent branch connections in welded piping systems.

View Details Socket Weld Equal Cross

Equal Cross

Four equal socket weld outlets for multi-directional welded branch piping arrangements.

View Details Socket Weld Union

Union

Three-piece socket weld union allowing disconnection of welded piping for maintenance.

View Details Socket Weld Coupling forged

Full Coupling

Forged socket weld full coupling for joining two equal-diameter pipes with permanent weld joints.

View Details Socket Weld Half Coupling

Half Coupling

Forged socket weld half coupling for creating branch connections on pipe headers.

View Details Socket Weld Reducer Insert

Reducing Coupling

Forged reducer insert for stepping down pipe bore inside a socket weld coupling.

View Details Socket Weld Cap forged

Cap

Forged socket weld cap for blanking pipe ends permanently in high-pressure service.

View Details Socket Weld Boss

Boss

Weld-on socket weld nozzle boss for adding SW connections to vessels and pipe walls.

View Details

Custom sizes, pressure classes and configurations to drawing also available on request.

Technical Data

Socket Weld Fittings — Specifications

ParameterDetails
Dimensional StandardASME B16.11 / MSS SP-79 / MSS SP-83
Material StandardASTM A182
Socket BoreMachined to ASME B16.11 socket dimensions for each NPS size
Size Range1/8" NPS to 4" NPS
Pressure Classes3000# / 6000# (9000# on request)
Available GradesSS 304, 304L, 316, 316L, 321 | Duplex S31803, S32205 | Super Duplex S32750, S32760
Heat TreatmentSolution Annealed and Quenched (Duplex / Super Duplex) | Annealed (SS)
Surface FinishPickled & Passivated / As-Forged / Machined Bore
TestingHydrostatic, PMI, Hardness, Chemical Analysis, Dimensional Inspection
DocumentationEN 10204 3.1 / 3.2 Mill Test Certificates, Packing List, Test Reports

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Provide your grade, size, pressure class and quantity for a prompt quotation with full documentation support.

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