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Socket Weld Union

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Technolloy Inc offers Socket Weld Union components engineered for secure, reliable, and serviceable connections in industrial piping systems. A Socket Weld Union is a forged pipe fitting designed to join two pipe sections while allowing convenient disconnection for inspection, maintenance, or equipment servicing. The socket weld ends provide a compact connection arrangement, making the fitting suitable for piping systems where space, mechanical integrity, and dependable sealing are important. These unions are commonly manufactured from stainless steel, carbon steel, alloy steel, duplex steel, and other engineering materials selected according to operating conditions.

What Are Socket Weld Union?

Socket Weld Union fittings are precision-engineered joining components in which the pipe is inserted into a recessed socket and secured through a fillet weld around the fitting. Unlike a permanent welded connection, a union incorporates multiple sections that can be separated when required, providing a practical solution for equipment, instruments, valves, and piping assemblies that may need periodic removal. The forged construction supports dimensional consistency and dependable mechanical performance, while the socket weld configuration creates a compact connection with good resistance to vibration and pressure-related stresses.

These fittings are available in different sizes, pressure classes, end configurations, and material grades to suit diverse process requirements. Manufacturing and inspection can be carried out in accordance with applicable specifications such as ASME B16.11 and relevant ASTM material standards, subject to the selected grade and customer requirements. Proper material selection, dimensional accuracy, welding procedure, and surface finish are important factors in achieving reliable service life.

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Socket Weld Union Manufacturers, Socket Weld Union Suppliers, Socket Weld Union Stockists, Socket Weld Union Exporters

Advantages of Socket Weld Union?

Socket Weld Union fittings provide strong mechanical connections for demanding piping environments. Forged construction offers a dense material structure and reliable resistance to internal pressure, vibration, thermal cycling, and mechanical loads. The socket weld arrangement also provides a compact joint that is well suited to high-integrity piping installations when correctly designed, welded, and inspected.

Corrosion resistance depends on the selected material grade, with stainless steel, duplex, nickel alloy, and other corrosion-resistant options available for aggressive service conditions. Selecting the correct alloy helps protect the fitting against moisture, chemicals, process fluids, elevated temperatures, and other corrosive influences. Technolloy Inc can supply material options according to the application, operating environment, and required mechanical and chemical properties.

Durability is a major advantage of forged union fittings used in industrial piping. A properly specified and installed Socket Weld Union can provide dependable performance through repeated operating cycles and demanding service conditions. Accurate machining, controlled manufacturing, suitable heat treatment, and appropriate inspection contribute to dimensional stability and long-term reliability.

Machinability is an important consideration when fittings must meet precise dimensional requirements or integrate with associated piping components. Suitable material grades can be machined to achieve accurate socket dimensions, threads, and sealing surfaces. The compact design also helps engineers create efficient piping layouts where conventional flanged connections may require more installation space.

Socket Weld Union fittings can support cost-efficient piping maintenance because the union design permits sections of a system to be disconnected without cutting the complete connection. This can reduce maintenance time and simplify component replacement. Long service life, material flexibility, compact installation, and reduced downtime can contribute to favorable lifecycle economics for industrial users.

Socket Weld Union Manufacturers in India, Socket Weld Union Suppliers in India, Socket Weld Union Stockists in India, Socket Weld Union Exporters in India

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Uses and Applications of Socket Weld Union?

Socket Weld Union Manufacturers provide fittings for oil and gas piping assemblies where dependable connections and convenient maintenance are required. They can be used around process equipment, auxiliary lines, instrumentation connections, and compact piping arrangements exposed to pressure, vibration, and demanding operating conditions.

Socket Weld Union Suppliers support chemical and petrochemical plants with fittings manufactured from materials selected for the process medium and operating environment. Stainless steel and alloy options can be used where resistance to corrosive chemicals, elevated temperatures, and demanding process conditions is required.

Socket Weld Union Stockists supply fittings used in power generation piping, including utility lines, auxiliary systems, instrumentation arrangements, and compact high-pressure connections. Properly selected forged unions can provide dependable service where temperature fluctuations, pressure changes, and vibration are part of normal operation.

Socket Weld Union Exporters serve international process industries where precise, durable, and material-compatible fittings are needed. Depending on the specification, these unions can be supplied for process support systems and specialized piping applications where reliable disassembly and controlled installation are important.

Socket Weld Union fittings are also used in instrumentation and utility piping where equipment may need to be removed or serviced. Their compact profile makes them practical for restricted spaces, while the union arrangement allows convenient separation of connected components without extensive piping modification.

Industrial plants use these fittings in compressed air, water, steam-related auxiliary services, hydraulic systems, and other engineered piping applications. The appropriate material, pressure class, dimensions, and welding requirements should always be selected according to the system design and operating conditions.

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Socket Weld Union Manufacturers in Mumbai, Socket Weld Union Suppliers in Mumbai, Socket Weld Union Stockists in Mumbai, Socket Weld Union Exporters in Mumbai

Quality and Manufacturing Excellence

Technolloy Inc can supply Socket Weld Union fittings in customer-specified sizes, schedules, pressure classes, material grades, dimensions, and surface finishes. Material documentation, dimensional inspection, testing, marking, packaging, and certification can be arranged according to the applicable purchase specification. Availability, manufacturing lead time, and commercial pricing depend on material, size, quantity, standards, testing requirements, and destination.

Specification of Socket Weld Union?

Specification
  • Forged stainless steel fittings: ASTM A182, ASTM SA182 S/W &SCRD (NPT / BSP / BSPT)
  • Carbon steel forged fittings: A-105, S/W &SCRD (NPT / BSP / BSPT)
  • Mild Steel Forged Fitting: IS BS ASTM ANSI B16.11 S/W & SCRD
  • Nickel Alloy forged fittings: ASTM B366 S/W & SCRD
  • Non Ferrous metal forged fittings: IS BS ASTM S/W & SCRD
Forged Socket Weld Union Dimension ANSI B 16.11
Forged Socket Weld Union Size 1/4" NB TO 4" NB
Forged Socket Weld Union Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
Forged steel fittings Range Coupling, Plug, Socket, Bushing, Elbow, Tee, Nipple, Union,Threading Outlet, Welding Outlet, Sockt Weld Outlet.
Stainless Steel Forged Socket Weld Union ASTM A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Duplex Steel Forged Socket Weld Union ASTM A 182 –F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 S 31803, S 32205, S 32550, S 32750, S 32760
Carbon Steel Forged Socket Weld Union ASTM/ ASME A 105, ASTM/ ASME A 350 LF 2
Alloy Steel Forged Socket Weld Union ASTM / ASME A 182 GR F5, F 9, F 11, F 12, F 22, F 91.
Copper Alloys Forged Socket Weld Union ASTM / ASME SB 111 UNS NO. C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200, C 70600 C 71500
ASTM / ASME SB 466 UNS NO. C 70600 (CU -NI- 90/10) , C 71500 (CU -NI- 70/30)
Nickel Alloy Forged Socket Weld Union ASTM / ASME SB 336, ASTM / ASME SB 564 / 160 / 163 / 472, UNS 2200 (NICKEL 200) , UNS 2201 (NICKEL 201), UNS 4400 (MONEL 400), UNS 8020 (ALLOY 20 / 20 CB 3), UNS 8825 INCONEL (825) , UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601) , UNS 6625 (INCONEL 625) , UNS 10276 (HASTELLOY C 276)
Low temperature steel: A522 A707 Grade L 1-L 2-L 3-L 4-L 5-L 6-L 7-L 8
High performance steel: A694 F 42-F 46-F 48-F 50-F 52-F 56-F 60-F 65-F 70

Socket Weld Union Dimensions

Nominal Diameter Outside Diameter Wall Thickness Socket Bore Water way Bore Depth of Socket Length Assem
Nominal
D min C min d1 d2 J min L
DN NPS

Socket

Threaded Socket Threaded Socket Socket & Threaded Socket Socket & Threaded
6 1/8 21.8 14.7 3.2 2.5 10.65 6.43 10 41.4
8 1/4 21.8 19.0 3.3 3.1 14.10 9.45 10 41.4
10 3/8 25.9 22.9 3.5 3.2 17.55 13.51 10 46.0
15 1/2 31.2 27.7 4.1 3.8 21.70 17.07 10 49.0
20 3/4 37.1 33.5 4.3 4.0 27.05 21.39 13 56.9
25 1 45.5 41.4 5.0 4.6 33.80 27.74 13 62.0
32 11/4 54.9 50.5 5.3 4.9 42.55 35.36 13 71.1
40 11/2 61.5 57.2 5.6 5.1 48.65 41.20

13

76.5
50 2 75.2 70.1 6.1 5.6 61.10 52.12 16 86.1
65 21/2 91.7 85.3 7.7 7.1 73.80 64.31 16 102.4
80 3 109.2 102.4 8.4 7.7 89.80 77.27 16 109.0

Application Of Industries

Power Plants
1
Aerospace
2
Refineries
3
Construction
4
Import Export
5
Oil & Gas
6
Sugar
7
Chemical
8
Petrochemical
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Frequently Asked Questions

A Socket Weld Union is a forged pipe fitting designed to connect two pipe sections through socket weld ends while allowing the connected sections to be separated for maintenance or replacement.

Common material options include stainless steel, carbon steel, alloy steel, duplex steel, and selected nickel alloys, depending on pressure, temperature, corrosion exposure, and application requirements.

Depending on the product configuration and material, applicable specifications may include ASME B16.11, ASTM material standards, and other customer-specified requirements for dimensions, manufacturing, testing, and inspection.

They are commonly used in oil and gas, petrochemical, chemical processing, power generation, instrumentation, pharmaceutical, utility, hydraulic, and general industrial piping systems.

Price depends on material grade, nominal size, pressure class, quantity, machining requirements, testing, certification, surface finish, and delivery destination. A typical indicative unit price may start around USD 8 and increase according to specification and material.

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