Pipe Fittings


Steel fittings are mechanical components used to connect and join pipes, tubes, or hoses together. They are commonly used in plumbing, oil and gas, and chemical industries. The materials used to manufacture steel fittings can vary depending on the specific application and requirements.
Some common materials used for steel fittings include:

  • Carbon Steel:
  • This is the most common material used for steel fittings, and it is known for its strength and durability. Carbon steel fittings are typically used in low to medium pressure applications.

  • Stainless Steel:
  • Stainless steel is corrosion-resistant and has good strength, making it an ideal material for fittings used in harsh environments. It is commonly used in food processing, pharmaceutical, and marine industries.

  • Alloy Steel:
  • Alloy steel is a combination of carbon steel and other elements such as chromium, nickel, and molybdenum. This material has high strength and is often used in high-pressure and high-temperature applications.

Some common types of steel fittings include:

  • Elbows:
  • Elbows are used to change the direction of pipes or tubes. They are commonly available in 45 degree and 90 degree angles.

  • L.R. Bend:
  • Long Radius (L.R.) bends are used to change the direction of piping with a larger radius, reducing pressure loss and improving flow characteristics.

  • Tees:
  • Tees are used to connect three pipes or tubes together, forming a T-shaped junction.

  • Unions:
  • Unions are used to connect pipes while allowing easy disconnection for maintenance or repair.

  • Cross:
  • Cross fittings are used to connect four pipes or tubes at a single junction.

  • Swage Nipple:
  • Swage nipples are used to connect pipes of different diameters in a straight line.

  • Coupling:
  • Couplings are used to connect two pipes or tubes of the same diameter.

  • Reducer:
  • Reducers are used to connect pipes of different diameters. They are available as concentric and eccentric reducers.

  • Stub End:
  • Stub ends are used with lap joint flanges and are commonly used in systems that require frequent dismantling. Types include concentric stub ends, eccentric stub ends, long pattern stub ends, and short pattern stub ends.

  • Cap:
  • Caps are used to close the end of a pipe or tube.

  • Plug:
  • Plugs are used to seal pipe openings, typically with threaded connections.

  • Bushing:
  • Bushings are used to reduce pipe size by connecting larger fittings to smaller pipes.

  • Boss:
  • Boss fittings are used for specialized connections in forged fitting applications.

Pipe Fittings Grades
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Material Size Schedule Available Grades
Carbon Steel 1/2" NB to 48" NB (ANSI B16.9) 10S / 40S / 80S / 160S / XXS ASTM A234 - WPB, IS 1239 PART II, P265 GH, P235 GH
Stainless Steel 1/2" NB to 36" NB (ANSI B16.9, MSS-SP-43) 10S / 40S / 80S / 160S / XXS ASTM A403 - TP 304 / 304H / 304L / 316 / 316H / 316L / 316Ti / 309 / 310 / 317L / 321 / 347 / 904L / 254SMO
Alloy Steel 1/2" NB to 48" NB (ANSI B16.9) 10S / 40S / 80S / 160S / XXS ASTM A234 - WP5, WP9, WP11, WP12, WP91
Low Temperature Carbon Steel (LTCS) 1/2" NB to 48" NB (ANSI B16.9) 10S / 40S / 80S / 160S / XXS ASTM A420 - WPL6
Duplex & Super Duplex Steel 1/2" NB to 36" NB (ANSI B16.9) 10S / 40S / 80S ASTM A815 - UNS S31803, S32205, S32750, S32760
Nickel 1/2" NB to 36" NB (ANSI B16.9) 10S / 40S / 80S UNS - N02200, N02201
Monel 1/2" NB to 36" NB (ANSI B16.9) 10S / 40S / 80S UNS - N04400, N05500, Alloy 20
Inconel 1/2" NB to 36" NB (ANSI B16.9) 10S / 40S / 80S UNS - N06600, N06601, N06625, N08800, N08810, N08825
Hastelloy 1/2" NB to 36" NB (ANSI B16.9) 10S / 40S / 80S UNS - N10276, N06022
Copper & Copper Nickel 1/2" NB to 36" NB (ANSI B16.9) 10S / 40S / 80S UNS - C70600 (90:10), C71500 (70:30), C71640
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Material Size Class Available Grades
Stainless Steel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) ASTM A182 - 304, 304H, 304L, 316, 316H, 316L, 316Ti, 309, 310, 317L, 321, 347, 904L, 254SMO
Duplex Steel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) ASTM A182 - F51, F53, F55, F60
Alloy Steel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) ASTM A182 - F5, F9, F11, F21, F22, F91
Carbon Steel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) ASTM A105 - A105
Low Temperature Carbon Steel (LTCS) 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) ASTM A350 - LF2
Copper Nickel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) UNS - C70600 (90:10), C71500 (70:30), C71640
Nickel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) UNS - N02200, N02201
Monel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) UNS - N04400, N05500, Alloy 20
Inconel 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) UNS - N06600, N06601, N06625, N08800, N08810, N08825
Hastelloy 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) UNS - N10276, N06022
Titanium 1/2" NB to 4" NB (Socket Weld & Threaded) 3000#, 6000#, 9000# (ANSI B16.11) ASTM B381 - Gr 1, Gr 2, Gr 3, DTH 3.7025, DTH 3.7035, DTH 3.7055
Advantages Of Fittings
  • The end of the pipeline
  • The attachment of auxiliary equipment
  • A reduction in pipe diameter
  • Change direction of flow
  • Connect or joint pipes

Indinox Stainless and Alloys LLP. is Manufacturer & Exporter Of Stainless Steel, Carbon Steel & High Nickel Alloys Pipes, Pipefitting, Flanges, Fastners & Importer & Stockist Of Stainless Steel Sheets,Plates & Coils. We are assisted by a team of qualified and experienced professionals who regularly maintain bulk stock of every item and supply within stipulated time.