Forged Pipe Fittings (Socket Weld and Threaded) are made in accordance to ASME (American Society of Mechanical Engineers) B16.11, MSS-SP-79\ 83\ 95\97 and BS3799 standards, and are used to connect nominal bore schedule pipes and pipelines. Commonly, the forged pipe fittings include: socket weld pipe fittings and threaded pipe fittings.

These forged pipe fittings, are commonly used to change the direction in piping, thereby changing the direction of the media flow. Forged socket weld fittings are restricted to smaller pipe diameters (up to NPS 4, but usually NPS 2 or smaller) and are available in 3000, 6000, and 9000 class pressure ratings, corresponding to Schedule 40, 80, and 160 pipe. Socket fittings are welded into place with fillet welds, which makes them weaker than butt- welded fittings, but still preferable to threaded fittings for high-end work.

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Types of Forged Fittings

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Forged Fittings Materials and Grades

Forged pipe fittings are generally available in two materials: Carbon Steel (ASTM A105 material spec), and Stainless Steel SS316 (ASTM A182 material spec). The surface of carbon steel A105 forged pipe fittings may be further reinforced against corrosion through galvanizing. This is an optional add-on which customers may include at an additional cost.

Connection Types

Class 3,000 and 6,000 forged pipe fittings comes in two types of connection: Socket Weld, or Threaded. NPT (National Pipe Thread) is the most common thread type although BSPP (British Standard Pipe Parallel thread) is also be available for certain parts like Full Couplings, Hex Bushings and Hex Nipples. Socket weld connection is significantly more popular than threaded since most applications call for completely sealing off a line and eliminating all possibility of leakage.

The fittings are normally produced with the same connection for all sides of the same fitting. That means, a socket weld fitting will have socket weld connection on all sides. Should different connection ends be required, additional machining could be possible but at a higher cost and a longer lead time. i.e. Socket weld x Socket weld x NPT Tee.

Prices for Forged Pipe Fittings

The prices for forged pipe fittings are directly co related to the raw material prices, especially in country like India where the cost of conversion is cheaper. The key raw materials for manufacturing forged pipe fittings are bar stock and billets. Given that India is a lowest cost producer for billets and bar stock, Indian manufacturers like us can sell forged pipe fittings at lowest prices worldwide.

Forged Pipe Fittings Manufacturing Standards

• ASTM A182 – ASME SA182 – Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
• ASME B16.9 – Factory-Made Wrought Buttwelding Fittings
• ASME B16.11 – Socket Welding and Threaded Forged Fittings
• MSS SP-43 – Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
• MSS SP-95 – Swage(d) Nipples and Bull Plugs
• BS3799 – Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry

We are supplies a variety of forged pipe fittings to satisfy our customers’ specific requirements. Our products are produced strictly according to the required standard.

Applications

They are used for wide range of industries wherever liquids, chemicals, gases, or other fluids are handled. Some of the examples are –

• Oil & Gas Industry
• Power Plants
• Food & Beverage Industry
• Pharmaceuticals
• Semiconductor manufacturing
• Paper production
• Construction

Socket weld material is significantly more popular then threaded since most applications call for completely sealing off a line and eliminating all possibility of leakage.