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Pipe Fittings

Buttweld fittings to ASME B16.9/MSS-SP 43, and forged fittings to ASME B16.11 in carbon, alloy, stainless, duplex, nickel-alloys (elbows, tees, reducers, Olets, stub ends, nipples).

Buttweld fittings

  • BW fittings shape: 45/90/180 deg elbow (SR/LR, from 1.5D to 5D), equal/reducing tee, eccentric/concentric reducer, cap, cross, stub end (short/long pattern ASA/MSS, type A/B/C)
  • BWF dimensions: ASME B16.9 and ASME B16.28 (carbon and alloy steel), ASME B16.9/ASME B16.28/MSS SP-43 (stainless steel, duplex, nickel alloys)
  • EN dimensional specs for BWF: EN 10253 ½ (carbon and alloy steel), EN 10253 ¾ (stainless steel, duplex, nickel alloys)
  • Execution: seamless up to 24″, welded above 24″
  • Material grades: ASTM A234 (carbon and alloy fittings), ASTM A420 (low temperature carbon steel, LTCS), ASTM A403 (stainless steel 304/316/321). Read more about BWF materials

Forged fittings

  • Forged fittings shapes: adapter, bushing, cap, coupling, cross, elbow, lateral, plug, reducer, tee, union, welding boss, reducer insert type ½
  • Dimensional specs: ASME B16.11, MSS SP-79, MSS SP-83
  • 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 F304/304L/316/316L/321/321H/347 (stainless steel), A182 F51 (duplex), A182 F53/F55 (super duplex), and nickel alloy grades

Branch Fittings (O’lets)

  • Olet’s shapes: Weldolet, Sockolet, Thredolet, Latrolet, Elbolet, Nipolet, Flexolet, Sweepolet
  • Dimensional specs: MSS SP-97
  • Material grades: ASTM A105 (carbon and alloy fittings), ASTM A350 (low temperature carbon steel, LTCS), ASTM A182 (stainless steel 304/316/321)


PDF ICONButtweld Fittings ASME B16.9

PDF ICONASTM Materials for Piping Products

  • Tags

    adapters, ASME B16.9, branch fittings, bushings, buttweld fittings, caps, crosses, elbolet, elbows, forged fittings, MSS SP 43, MSS SP 83, MSS SP 97, nipolet, pipe fittings, reducers, sockolet, stud ends, sweepolet, tees, thredolet, weldolet

  • Size Range:

    ½-48" - Any wall thickness/rating

  • Materials:

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

  • Origins:

    Europe, South Korea

Technical Info
Pipe fittings Forged fittings ASME B16.11 Weldolet, thredolet, latrolet, sockolet, elbolet and other olet fittings

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