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Flanged Joints


Steel flanges to ASME B16.5/ASME B16.47, API 6A, and EN 1092-1 in carbon, alloy, duplex, nickel-alloys (welding neck, blind, slip-on, lap-joint, threaded, orifice), and spectacle blinds, spades.

We supply any type of flange ex-stock or ex-mill:

  • Design: welding neck (WN), long welding neck (LWN), blind, slip-on, lap-joint, threaded flanges
  • Flange material grades: ASTM A105 (high-temperature carbon steel), A350 LF1/LF2/LF3 (low-temperature carbon steel), A182 F1/F5/F9/F11/F22/F91 (low alloy steel), A182 F304/316/321/347 (stainless steel), A182 F51 (duplex), A182 F53/F55 (super duplex), and nickel alloy grades
  • Design Specs:
    • ANSI/ASME B16.5: NPS 1 to 24″, pressure ratings from #150 to #2500
    • ASME B16.47 series A/B: NPS > 24″, pressure ratings from #75 to #900
    • AWWA flanges (water applications): Table 2 AWWA C207-18 Class B, AWWA C207-94 Class B Hub, Table 2 AWWA C207-18 Class D Ring, Table 3 AWWA C207-07 Class D Hub, Table 4 AWWA C207-07 Class E-Hub, Table 5 AWWA C207-18 Class E Ring, Table 6 AWWA C207-18 Class F Ring, Table 7 AWWA Class B, D, E, & F Blind
    • Industry-standard flanges
    • API 6A flanges for upstream oil & gas operations
    • EN 1092-1 (European standard flanges)

In addition to flanges, we can supply other special types of flanges and related forged equipment for on-shore and off-shore applications:


PDF ICONFlanges and Spectacle Blinds


  • Tags

    alloy steel flange, API 6A flange, ASME B16.47 flange, ASME B16.5 flange, blind flange, carbon steel flange, Cupronickel flange, Cuu-ni flange, duplex flange, flanges, Hastalloy flange, Incoloy flange, Inconel flange, lap joint flange, long welding neck flange, nickel alloy flange, socket weld flange, stainless steel flange, threaded flange, welding neck flange

  • Sizes:

    ½" to 48" - Any pressure rating

  • Materials:

    Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Nickel Alloys

  • Origins:

    Italy, Germany, South Korea

Technical Info
Steel flanges flanges shipment

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