Socket Weld Fittings are quite the opposite of threaded forged fittings, as they do not have threads. It is a type of fitting where we insert the pipes with a smaller diameter into the larger diameter pipes.

Afterward, we weld around the outer circumference of the larger pipelines. That’s why socket weld is known as ‘fillet weld.’ SW Fittings are generally serviceable for connecting small-bore pipes with diameter DN40 or smaller. 

Incoloy 825 is a nickel-ferrous-chromium alloy. It offers excellent resistance to corrosion and oxidation in cold and hot-temperature areas. Also, its chemical composition exhibits good mechanical properties, which helps its coating to resist high-chloride environments.

Incoloy 825 provides strength, toughness, and durability to socket-weld fittings in elevated temperature areas. Also, it contains higher ferrous content, making the fittings harder and embrittlement.

Mangalam Metal Corporation offers an exclusive range of Incoloy 825 Socket Weld Fittings to our clients. We cater our Incoloy products as per the need and requirement of our customer from all over the world.


We follow all rules and regulations of ASME B16.11 to manufacture socket weld fittings. This standard covers the dimensions, ratings, tolerance, marking, required materials to produce socket weld fittings. Also, the designated pressure classes are 3000, 6000, and 9000 for socket weld fittings.

Before ordering to manufacture socket-weld fittings, we need to know their sizes, pressure class, fitting type, shapes, and the connections required. You may consult your engineer and discuss the procedures for the same.

Following are some industries and their applications where you will find our Incoloy 825 Socket Weld Fittings installed.

  • Boilers and Reboilers
  • Tubular Furnaces
  • Pumping Equipment
  • Refrigerant Condensers
  • Hydrotreater
  • Sprinkler System
  • CO2 Piping
  • Bilge Systems
  • Ballast Systems
  • Engine Cooling System
  • Sterilizers
  • Washing Systems
  • Sorting Conveyors
  • Colloid Mills
  • Convective
  • Cooler Condensers
  • Surface Condensers
  • Columns
  • Storage Tanks
  • Demethanizer


ASTM B564 & ASME B564


ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799


1/8″ NB to 4″ NB (Socketweld & Screwed-Threaded)


3000 LBS, 6000 LBS, 9000 LBS


Socket-Weld Fittings

  • SW Fittings provides leak-proof pipe fittings, making the transfer of toxic and flammable fluids within the piping systems safe and secured.
  • SW Fittings function efficiently where the pipeline work is permanent. Incoloy 825 offers high-yield tensile strength and toughness to the pipe fittings, making the welding process quick.
  • Incoloy 825 contains ferrous, which is ideally helpful in less critical applications. Thus, the socket weld fittings do not rust and shrink quickly in extreme conditions. 
  • The wall thickness of SW is highly consistent than the seamless pipes. Thus, SW fittings exhibit good mechanical properties to install or upgrade within the premises.
Markings and Packing

Product packaging serves to protect the products inside. Mangalam Metal Corporation effectively ensures all the products are deliverable to our clients securely. In the case of exports, we follow all international standard protocols of packaging.

Often, we export them in wooden cases. We mark our products with Grades, Lot Numbers, Size, Degree, and our Trademark. We also make custom markings on the products as per the requirements of our clients.

Quality Assurance

At Mangalam Metal Corporation, all products are subject to strict supervision at each production chain, right from purchasing the raw materials to dispatching products. All the processes undergo inspections for conformity to ASTM, ASME, MSS, and JIS codes and standards.

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