Duplex Steel Pipe Fittings
Super DUPLEX PIPE FITTINGS, UNS S32750 | S32950 FLANGES MANUFACTURER, EXPORTER IN INDIA
Reliable Pipes and Tubes Ltd. is a leading manufacturer, exporter and supplier of buttweld seamless and welded Super duplex fittings, Super duplex flanges and Super duplex fittings. RELIABLE PIPES & TUBES LTD. offers a complete range of super duplex steel pipe fittings such as duplex reducer, duplex elbow, duplex tee, duplex cross, duplex stub ends and duplex pipe bends. We are one of the few manufacturers in India who can weld, bend and form duplex stainless steel pipe fittings in various sizes and dimensions.
With a PREN of around 35, super duplex stainless steels are generally more corrosion resistant than 304 (PREN: 19) and 316 stainless steels (PREN: 26), particularly stress corrosion cracking.
Super DUPLEX 32750 SEAMLESS Fittings, Super DUPLEX S32950 PIPE FITTINGS, Super DUPLEX FLANGES Exporter
 Super Duplex Pipe Fittings |
 Super Duplex Pipe Flanges |
 Super Duplex Forged Fittings |
Super DUPLEX PIPE BENDS, Super DUPLEX ELBOW, Super DUPLEX TEE, Super DUPLEX REDUCER, Super DUPLEX STUB END, Super Duplex Socket weld & Threaded Fittings Supplier in India.
Super Duplex flanges can be manufactured and supplied in a variety of sizes and pressure ratings to meet project specific requirements of our customers. Our duplex pipe and fitting products are widely supplied to many industries including boiler manufacturing, brewing tanks and desalination plants.
Super Duplex stainless steel pipes and duplex fittings are generally lower in cost, as lower percentage of alloying element is used in the manufacture of duplex stainless steel. The yield strength of duplex stainless steel products is higher compared to austenitic stainless steel products, as a result of which users can purchase relatively lower thickness duplex pipes and duplex fittings.
RELIABLE PIPES & TUBES LTD. also stocks and supplies a complete range of duplex seamless pipes to complement our existing production range of duplex buttweld fittings and flanges. Duplex pipes can be supplied in cut to length sizes and also machined or fabricated to meet your piping requirements.
| Stainless Steel | Tradename | UNS no. | Werkstoff No. | Density (g/cm3) |
| Duplex | F51 / 2205, F60 | S32750 / S32950 | 1.4410 | 7.805 |
Super 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 48″NB in Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
Buttweld Super Duplex Pipe Fittings
Seamless/ Welded 100% Radiography Tested
| Products | Size | |
| Super Duplex Elbows – Long Radius | Super Duplex Stub Ends | Sizes 1/2″ – 48″ |
| Super Duplex Elbows – Short Radius | Super Duplex Crosses | |
| Super Duplex Reducing Elbows | Super Duplex Reducing Crosses | |
| Super Duplex 45° Elbows | Super Duplex 180° LR Return Bends | |
| Super Duplex Tees | Super Duplex 180° SR Return Bends | |
| Super Duplex Tees | Super Duplex Pipe Bends / Piggable Bends | |
| Super Duplex Reducers | Super Duplex Couplings | |
| Super Duplex Concentric Reducers | Super Duplex Pipe Nipples | |
| Super Duplex Eccentric Reducers | Super Duplex Forged/Plate Cut Rings | |
| Super Duplex 3D Elbow | Super Duplex End Caps | |
| Super Duplex 5D Elbow | Super Duplex Forged / Plate Circles | |
High Pressure Forged Super Duplex Pipe Fittings
Threaded and Socket Weld Pipe Fittings
| Products | Size | |
| Super Duplex 90° Elbows | Super Duplex Couplings | Sizes 1/8″ – 4″ Pressure Ratings – 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| Super Duplex 45° Elbows | Super Duplex Reducers | |
| Super Duplex Street Elbows | Super Duplex Inserts | |
| Super Duplex Tees | Super Duplex Caps | |
| Super Duplex Crosses | Super Duplex Unions | |
Super Duplex Flanges
Forged and Plate Flanges
| Specification | ASTM A182 / ASME SA182 F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61. |
| 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. |
| Product | Size | |
| Super Duplex Slip-On Flanges | Super Duplex Threaded Flanges | 1/8″ – 36″ Raised Face or Flat Face |
| Super Duplex Weld Neck Flanges | Super Duplex Socket Weld Flanges | |
| Super Duplex Blind Flanges | Super Duplex Reducing Flanges | |
| Super Duplex Lap Joint Flanges | Super Duplex Plate Flanges | |
