Socket Weld Fittings

Teshi Fittings is a leading manufacturer of Socket Weld Fittings,
offering a wide variety of fittings in different dimensional sizes,
ranging up to 200NB.

Types of Socket Weld Fittings

Socket Weld Pipe Fittings

Socket Weld Elbow

Socket Weld Cross

Socket Weld Cap

Socket Weld Coupling

Reducing Coupling

Reducing Insert

Socket Weld Union

Sockolet

Standard Specification of Socket Weld Fittings

DimensionsANSI ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43.
Size1/2″ (15 NB) to 48″ (1200NB)
TypeSeamless / ERW / Welded / Fabricated
DINDIN2605, DIN2615, DIN2616, DIN2617, DIN28011
ENEN10253-1, EN10253-2
ScheduleSCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
FormEnd Caps, Pipe Caps, Pipe End Caps.

Material & Grades of Socket Weld Fittings

Stainless Steel Socket Weld FittingASTM A403 WP316/316L, ASTM A403 WP304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Duplex & Super Duplex Steel Socket Weld FittingASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff No. 1.4462
Carbon Steel Socket Weld FittingASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low Temperature Carbon Steel Socket Weld FittingASTM A420 WPL3, A420 WPL6
Alloy Steel Socket Weld FittingASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Nickel Alloy Socket Weld FittingASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe.

Manufacturing Process and Features of Socket Weld Fittings

Socket weld fittings undergo a specific manufacturing process tailored to their unique design and functionality. Here’s an overview highlighting their manufacturing process and distinctive features:

Manufacturing Process:

  • Material Selection: Socket weld fittings are typically crafted from materials like stainless steel, carbon steel, or alloy steel. Material choice depends on factors such as corrosion resistance, strength requirements, and operational temperatures.
  • Cutting: Raw materials are precisely cut into appropriate sizes and shapes using advanced cutting techniques to ensure dimensional accuracy and consistency.
  • Forming: The cut materials are then shaped into fitting forms through either cold forming or hot forming processes. Cold forming involves shaping at room temperature using mechanical equipment, while hot forming includes heating materials for enhanced malleability before shaping.
  • Heat Treatment: Post forming, socket weld fittings may undergo heat treatment processes to refine their microstructure, enhance mechanical properties, and relieve residual stresses for improved performance.
  • Machining (if necessary): Additional machining processes may be applied to achieve specific surface finishes, ensure precise dimensions, or create intricate features as required.
  • Inspection and Testing: Rigorous quality control measures are implemented to assess socket weld fittings for dimensional accuracy, surface integrity, and structural robustness. Non-destructive testing methods are employed to detect any potential defects or imperfections.
  • Surface Treatment: Depending on application needs, socket weld fittings may undergo surface treatments such as coating, plating, or passivation to enhance corrosion resistance and extend service life.

Features of Socket Weld Fittings:

  • Efficient Installation: Socket weld fittings facilitate swift assembly and disassembly in piping systems, promoting ease of maintenance and modification.
  • Leak Resistance: Their welded construction ensures a secure, leak-free seal, preventing any leakage of fluids or gases under operational pressures.
  • Strength and Durability: Socket weld fittings are constructed from sturdy materials and undergo stringent manufacturing processes, ensuring high strength, durability, and reliability in challenging environments.
  • Adaptability: Available in various sizes, materials, and configurations, socket weld fittings accommodate diverse piping requirements across industries, offering versatility in design and application.
  • Compliance with Standards: Quality socket weld fittings adhere to industry standards and specifications, ensuring compatibility and reliability within existing piping infrastructures.

In essence, socket weld fittings play a crucial role in piping systems by delivering robust sealing, structural integrity, and long-lasting performance tailored to demanding operational conditions.

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Frequently Asked Questions

Most frequent questions and answers

Socket weld fittings are a type of pipe fitting used to connect pipes in a piping system. They are designed to fit inside the end of a pipe and are welded around the outside to create a strong, permanent connection.

Socket weld fittings come in a variety of sizes to match different pipe diameters. Sizes typically range from 1/2 inch to 24 inches or more, depending on the application and manufacturer.

Installation involves placing the pipe into the fitting socket, aligning it properly, and then welding around the joint. The weld is usually a fillet weld that provides a strong, permanent connection.

The primary difference is in the connection method. Socket weld fittings are inserted into the end of the pipe and then welded around the outside, while butt weld fittings are welded directly to the pipe ends. Socket weld fittings are often used in smaller sizes and higher pressure applications, whereas butt weld fittings are used in larger sizes and applications requiring a more robust connection.

Common applications include:

  • High-pressure piping systems
  • Steam and water systems
  • Hydraulic systems
  • Instrumentation and control systems

Yes, we offer custom manufacturing solutions for socket weld fittings to meet specific requirements. Please contact us with your specifications, and we will work with you to create the fittings you need.

Socket weld fittings are commonly made from materials such as carbon steel, stainless steel, and alloy steel. The choice of material depends on the application’s requirements, including the type of fluid, temperature, and pressure.

Socket weld fittings offer several advantages, including:

  • Easy installation and alignment.
  • Strong, leak-proof joints due to the full penetration weld.
  • Smooth internal surface, which reduces turbulence and pressure loss.
  • Suitable for high-pressure and high-temperature applications.

Socket weld fittings are manufactured according to various industry standards, including ASME B16.11, which specifies the dimensions, tolerances, and material requirements for socket weld fittings.

Socket weld fittings are commonly used in industries such as oil and gas, petrochemical, power generation, and water treatment, where reliable, high-pressure connections are needed.

Yes, socket weld fittings are suitable for high-pressure applications due to their strong, leak-proof connections and smooth internal surfaces.