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Pooja Steel India

Pooja Steel India

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Socket Weld Flange

Pooja Steel India > Socket Weld Flange
Socket Weld Flange

Socket Weld Flanges (SWRF) are counter-bored, ensuring the bore of the flange and pipe are the same, promoting a smooth flow of the product through the pipe. Initially used for small-sized high-pressure pipes, they are now used in high-pressure systems as well. Our Stainless Steel Socket Weld Flanges offer oxidation resistance and better weldability and fabricability. They are ideal for industries like LNG, seawater, and mining due to their excellent stress corrosion cracking resistance.

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Description

Socket Weld Flange Standard Specifications
Specification Description
Dimension Standard ANSI B16.5, MSS SP44, Custom Drawings
Size Range 1/2″ (15 NB) to 4″ (100 NB)
Pressure Classes 150, 300, 600 LBS (**Limited** for higher classes)
DIN Standards DIN2527, DIN2642, DIN2635, DIN2638, DIN2673, etc.
BS Standards BS4504, PN6, PN10, PN16, PN25, PN40, etc.
API Standards PSI-2000/3000/5000/10000, etc.
JIS Standards 2220-2004 5k/10k/16k, etc.
Flange Face Types FF (Flat Face), RF (Raised Face), RTJ (Ring Type Joint)
Socket Weld Flange Material & Grades

Socket weld flanges are available in a variety of materials and grades to suit different pressure and temperature requirements. Here are some common options:

  • Stainless Steel: ASTM A 182, A 240 (See grades below – 304, 316, 321, 347, 904L)
  • Duplex & Super Duplex Steel: ASTM / ASME A/SA 182 F 44, F 51, F 53, F 55, F 60, F 61
  • Carbon Steel: ASTM / ASME A/SA 105, A 350, A 181 LF 2, A516 Gr.70, A36, A694, etc.
  • Low Temp Carbon Steel: ASTM A350 LF2, LF3
  • Alloy Steel: ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F22, F91
  • Copper Alloy Steel: ASTM SB 61, SB62, SB151, SB152
  • Nickel Alloy: ASTM SB564, SB160, SB472, SB162, etc.

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