#socket weld coupling

In the world of industrial piping, durability, efficiency, and leak-free performance are critical. Choosing the right pipe fittings can make a significant difference in the reliability and longevity of your system. One component that stands out across multiple applications is the socket weld threaded coupling.

This versatile fitting combines the best of both socket welding and threading techniques, making it a top choice for professionals in industries like oil & gas, chemical processing, water treatment, and power generation.

In this blog, we'll explore the top five benefits of using socket weld threaded couplings and why they’re essential for robust and high-pressure piping systems.

1. Dual Connection Versatility

A socket weld threaded coupling offers the unique advantage of combining two types of connection methods:

Socket weld (for a strong, permanent joint)

Threaded (for a removable, flexible joint)

This hybrid design gives engineers and maintenance teams more freedom to tailor their system based on application needs. The welded end offers strength and pressure resistance, while the threaded end allows for easy disassembly and future modifications. This dual functionality reduces the need for multiple fitting types, streamlining your inventory and operations.

2. High Pressure and Temperature Resistance

Socket weld threaded couplings are specifically designed to withstand high-pressure and high-temperature environments. This makes them ideal for critical pipelines where performance failure could result in system downtime or safety hazards.

Thanks to their forged steel construction and secure weld design, these couplings provide tight, leak-proof seals that hold up even under extreme stress. Industries that deal with steam lines, chemical transfer, and hydraulic systems benefit greatly from the added reliability socket weld threaded couplings deliver.

3. Enhanced Leak Prevention

Leakage in industrial pipelines can be costly and dangerous. That’s where the socket weld threaded coupling shines. The welded end eliminates gaps where leaks could occur, while the threaded end—when properly sealed with Teflon tape or thread sealant—ensures tight, secure connections.

This combination drastically reduces the chance of leaks, making these couplings an excellent choice for high-integrity systems. Whether transporting gas, fluids, or chemicals, you can count on these fittings to maintain consistent flow without risk of loss or contamination.

4. Compact and Space-Saving Design

In compact industrial systems or confined plant layouts, space matters. Socket weld threaded couplings are known for their compact build, which helps save space while maintaining high performance.

Unlike flanged connections that require more room and added components, these couplings offer a clean and efficient design. They’re perfect for areas where access is limited but performance cannot be compromised—allowing more control in system layout and engineering flexibility.

5. Long-Term Durability and Low Maintenance

Made from high-strength materials like stainless steel, carbon steel, and forged alloys, socket weld threaded couplings are built to last. Once installed, the welded side offers a permanent joint that doesn’t loosen or degrade easily over time.

Even the threaded side, when properly installed, can remain leak-free and stable for years. This longevity means fewer maintenance calls, reduced downtime, and more cost savings in the long run. Their corrosion resistance and fatigue strength also contribute to their outstanding durability in demanding conditions.

Conclusion: Why Choose Socket Weld Threaded Couplings?

From versatility and strength to space-saving design and long-term reliability, the socket weld threaded coupling is a valuable asset for any industrial piping system. By choosing this hybrid fitting, you're investing in improved system integrity, fewer leaks, and easier maintenance—all critical factors in high-performance environments.

Whether you're upgrading an existing setup or designing a new system from scratch, consider the many advantages of socket weld threaded couplings. They’re not just fittings—they’re a smart, durable connection solution.

Socket Weld Pipe Fittings

ASME B16.11 ASTM A182 316L Socket Weld Coupling 1 Inch 3000LBS

FOB PriceUSD 1 - 1,900/Piece

PortNingbo or Shanghai Port

MOQ1 Piece

Supply Ability1000 Pieces Per Day

Payment TermsL/C,T/T,Western Union,MoneyGram

PackagingSeaworthy plywood cases or pallets

Delivery2 - 10 days

Quick Details

Material: 316L

Technics: Forged

Type: Socket Weld Coupling

Place of Origin: Zhejiang, China (Mainland)

Model Number: 316L-Socket-Weld-Coupling

Brand Name: Yaang

Size: 1 inch

Pressure: 3000LBS

Packaging & Delivery

Plywood case or fumigated woodern case or as per customers' requests.

Specifications

Type: Socket Weld Coupling

Material: 316L

Size: 1 inch

Pressure: 3000LBS

A Socket Weld Coupling is a pipe attachment detail in which a pipe is inserted into a recessed area of a Valve, fitting or flange. In contrast to buttweld fittings, Socket Weld Couplings are mainly used for small pipe diameters (Small Bore Piping); generally for piping whose nominal diameter is NPS 2 or smaller.

Dimensions Socket Weld Couplings ASME B16.11

Dimensions NPS 1/2 to 4 - Class 3000NPSSocket

BoreDepth

SocketBore

DIASocket

wall THKBJDC1/221.95

21.701016.6

154.65

4.103/427.30

27.051321.7

20.24.90

4.25134.05

33.801327.4

25.95.70

5.001¼42.80

42.551335.8

34.36.05

5.301½48.90

48.651341.7

40.16.35

5.55261.35

61.101653.5

51.76.95

6.052½74.20

73.801664.2

61.28.75

7.65390.15

89.801679.5

46.49.50

8.304115.80

115.4519103.8

100.710.70

9.35NPSBJDCSocket

BoreDepth

SocketBore

DIASocket

wall THKNPSLaying lengthsCoupling

EHalf coupling

F1/29.522.53/49.523.5113291¼13301½1332219412½1942.531944.541947.5NPSCoupling

EHalf coupling

FLaying lengths

Typical Applications:

- Food and Beverage

- Irrigation and Pumping

- Petrochemical

- Geothermal

- Marine

- Agriculture and Machinery

- Motoring

China Coupling Manufacturer yaang supplies ASME B16.11 ASTM A182 316L Socket Weld Coupling, 1 Inch, 3000LBS.

If any inquiry, please feel free to contact by email [email protected]

Chemical Composition and Mechanical Property For 316L

Steel Grade

Chemical Composition

Mechanical Performance

C(Max)

Si(Max)

Mn(Max)

P(Max)

S(Max)

Ni

Cr

Mo

N(Max)

Tensile Strength (Min）

Yield Strength (Min)

Mpa

Mpa

316L

0.03

0.75

2.00

0.045

0.03

10.0–14.0

16.0–18.0

2.00–3.00

0.1

485

170

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A Forged fitting is used in pipe systems to attach straight pipe or tubing sections, adapt to different sizes or shapes and for other functions, like regulating (or measuring) fluid flow. "Plumbing" is usually accustomed describe the conveyance of water, gas, or liquid waste in domestic or industrial environments; "piping" is commonly accustomed describe the high-performance (high-pressure, high-flow, high-temperature or hazardous-material) conveyance of fluids in specialized applications. "Tubing" is usually used for lighter-weight piping, particularly that flexible enough to be provided in coiled kind. Fittings (especially uncommon types) need money, time, materials and tools to install, and are a very important a part of piping and plumbing systems.

Forged Socket weld Elbow A Forged Socket weld elbow is installed between two lengths of pipe (or tubing) to permit a change of direction, typically a 90° or 45° angle The ends may be machined for butt welding, threaded (usually female), or socket. When the ends differ in size, it's referred to as a reducing (or reducer) elbow. A Forged 90º Socket weld elbow, also referred to as a "90 bend", "90 ell" or "quarter bend", attaches readily to plastic, copper, cast iron, steel, and lead, and is connected to rubber with stainless-steel clamps. Other available materials include silicone, rubber compounds, galvanized steel, and nylon. It’s primarily accustomed connect hoses to valves, water pumps and deck drains. A Forged 45º Socket weld elbow, additionally referred to as a "45 bend" or "45 ell", is usually employed in water-supply facilities, food, chemical and electronic industrial pipeline networks, air-conditioning pipelines, agriculture and garden production, and solar-energy facility piping.

Forged Socket weld coupling  A Forged Socket weld full coupling connects two pipes. If their sizes differ, the fitting is known as a reducing coupling, reducer, or an adapter. There are two kinds of couplings: "regular" and "slip". A regular coupling has a small ridge or stop internally, to prevent over-insertion of a pipe, and therefore under-insertion of the other pipe segment (which would lead to an unreliable connection). A slip coupling (sometimes additionally referred to as a repair coupling) is deliberately made without this internal stop, to permit it to be slipped into place in tight locations, like the repair of a pipe that features a small leak owing to corrosion or freeze bursting, or which had to be cut temporarily for some reason.. Since the alignment stop is missing, it's up to the installer to carefully measure the final location of the slip coupling to ensure that it's placed properly.

Forged Socket weld Union A Forged Socket weld union, like a coupling, permits the convenient future disconnection of pipes for maintenance or fixture replacement. In contrast to a coupling requiring solvent welding, soldering, or rotation (for threaded couplings), a union permits easy connection and disconnection, multiple times if required. It consists of three parts: a nut, a female end, and a male end. When the female and male ends are joined, the nut seals the joint by pressing the two ends tightly together. Unions are a type of very compact flange connector.

Forged Socket weld Nipple A Forged Socket weld nipple is a short stub of pipe, typically male-threaded steel, brass, chlorinated polyvinyl chloride (CPVC), or copper (occasionally unthreaded copper), that connects 2 alternative fittings. A nipple with continuous uninterrupted threading is known as a close nipple. Nipples are ordinarily used with plumbing and hoses.

Forged Socket weld Reducer A Forged Socket weld reducer permits for a modification in pipe size to meet hydraulic flow needs of the system or adapt to existing piping of a different size. Though reducers are typically concentric, eccentric reducers are used as needed to keep up the top- or bottom-of-pipe level.

Forged Socket weld Tee A Forged Socket weld tee, the most common pipe fitting, is employed to combine (or divide) fluid flow. It’s accessible with female thread sockets, solvent-weld sockets or opposed solvent-weld sockets and a female-threaded side outlet. Tees will connect pipes of various diameters or change the direction of a pipe run, or both. Accessible in a variety of materials, sizes, and finishes, they may even be used to transport two-fluid mixtures. Forged Socket weld Tees may be equal or unequal in size of their three connections, with equal tees the most common.

Forged Socket weld Cross Forged Socket weld Crosses, also referred to as four-way fittings or cross branch lines, have one inlet and three outlets (or vice versa), and sometimes have a solvent-welded socket or female-threaded ends. Forged Socket weld  Cross fittings may stress pipes as temperatures change, as a result of they're at the center of four connection points. A tee is steadier than across; it behaves like a three-legged stool and across behaves like a four-legged stool. Geometrically, any three non-collinear points can self-consistently define a plane; three legs are inherently stable, whereas four points over-determine a plane, and can be inconsistent, resulting in physical stress on a fitting.