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ANSI/ASME B16.9 - 2205 Duplex Pipe Fittings

ANSI/ASME B16.9 Duplex Buttweld Fittings, Duplex pipe fittings UNS S31803, Duplex 2205 ASTM A815 seamless Pipe, ASTM A182 Duplex 2205 Buttweld Cap fittings, ASTM A815 Duplex 2205 Flanges, Duplex pipe bends, Duplex 2205 Elbow, Duplex Tee, Duplex 2205 Reducer, Duplex 2205 Stub End

Stainless Steel Tradename UNS no. Werkstoff No. Density (g/cm3)
Duplex F51 / 2205, F60 S31803 / S32205 1.4462 7.805

JF Engineering is a leading manufacturer and exporter of seamless and welded duplex fittings. We are one of the best producers in Mumbai, India who offers duplex reducer, duplex elbow, duplex tee, duplex cross, duplex stub ends and duplex pipe bends available in various size, dimensions and grades. These duplex fittings products supplied in various industries such as brewing tanks, boiler manufacturing and desalination plants. We stock a complete range of 2205 duplex fittings to meet your piping requirements.

We pride ourselves on innovating the best and qualitative product in the market. We are reputed organization for supplying excellent item that is Duplex 2205 ASTM A815 buttweld fittings.

Duplex 2205 Standards:
  • UNS S31803
  • UNS S32250
  • ASTM A182
  • ASTM A276
  • ASTM A479
Duplex 2205 Application:
  • Pressure vessels
  • Heat exchangers
  • Pump Shafts
  • Valve Components

The structure of 2205 duplex stainless steel comprises of austenite pools encompassed by a persistent ferrite stage. In the toughened condition, 2205 contains around 40-half ferrite.

The advantage of a duplex structure is that it combines the favorable qualities of a ferritic alloy (stress corrosion cracking resistance and high strength) with those of an austenitic alloy (ease of fabrication and corrosion resistance).

Duplex Pipe Fittings Production Range

Specification ASTM A 815, ASME SA 815, ASTM A 182, ASME SA 182
Type Seamless / Welded / Fabricated
Range ½”NB to 24″NB in Sch 10S, 40S, 80S, 160s, XXS
Dimensions ANSI/ASME B16.9, B16.28, MSS-SP-43

Buttweld Duplex Pipe Fittings

Seamless/ Welded 100% Radiography Tested

Products Size
Duplex Elbows – Long Radius Duplex Stub Ends

Sizes 1/2″ – 48″

Duplex Elbows – Short Radius Duplex Crosses
Duplex Reducing Elbows Duplex Reducing Crosses
Duplex 45° Elbows Duplex 180° LR Return Bends
Duplex Tees Duplex 180° SR Return Bends
Duplex Fabricated Tees Duplex Pipe Bends / Piggable Bends
Duplex Reducers Duplex Couplings
Duplex Concentric Reducers Duplex Pipe Nipples
Duplex Eccentric Reducers Duplex Forged/Plate Cut Rings
Duplex 3D Elbow Duplex End Caps
Duplex 5D Elbow Duplex Forged / Plate Circles

High Pressure Forged Duplex Pipe Fittings

Threaded and Socket Weld Duplex Pipe Fittings

Products Size
Duplex 90° Elbows Duplex Couplings

Sizes 1/8″ – 4″

Pressure Ratings –
2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS

Duplex 45° Elbows Duplex Reducers
Duplex Street Elbows Duplex Inserts
Duplex Tees Duplex Caps
Duplex Crosses Duplex Unions

Stainless Steel Duplex Flanges

Forged and Plate Flanges

Specification ASTM A182 / ASME SA182 F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61.
UNS Grade UNS S31803, S32205, S2205, S32550, S32750, S32760.
Standard ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size ½” to 24″
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Class / Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Products Size
Duplex Slip-On Flanges Duplex Threaded Flanges 1/8″ – 36″Raised Face or Flat Face
Duplex Weld Neck Flanges Duplex Socket Weld Flanges
Duplex Blind Flanges Duplex Reducing Flanges
Duplex Lap Joint Flanges Duplex Plate Flanges

Marking & Packing

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All fittings and flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

Quality Assurance

At JF Engineering Products LLP, all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report