Duplex Steel UNS S31803 Pipe Fittings / Duplex Steel S32205 Pipe Fittings, which performs better to some extent in robustly oxidizing atmospheres up to 816 Deg Celsius. Duplex Steel UNS S31803 Elbow Pipe Fittings is the superior carbon variant of the alloy, that enables improved creep resistance and for superior strength at temperatures more than 537 Deg Celsius. Duplex Steel UNS S32205 Reducer Pipe Fittings are commonly used in aircraft engine parts, petroleum refineries, power generation, pressure vessels, heat exchangers, welded fabrications and other elevated heat applications. Furthermore, these Duplex Steel UNS S31803 Tee Pipe Fittings is as well hot hard and is therefore often find its application in turbine construction. Duplex Steel UNS S32205 Cross Pipe Fittings is not hardenable in the course of heat treatment, but small parts can be cold work hardened.
Duplex Steel UNS S31803/S32205 Butt weld Pipe Fittings Specification
Specifications | ASTM A815 / ASME SA815 |
Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
Size | Seamless Butt Weld Fittings : 1/2″ – 10″ | Welded Butt Weld Fittings : 1/2″ – 48″ |
Schedule | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
Thickness | 20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc. |
Type | Seamless / ERW / Welded / Fabricated |
Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
Duplex Steel UNS S31803/S32205 Buttweld Fittings Equivalent Standard Grade
STANDARD | WERKSTOFF NR. | UNS |
Duplex 2205 | 1.4462 | S31803 / S32205 |
Types of Duplex Fittings
ASTM A815 Duplex Stainless Steel Fittings Chemical Composition
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
ASME SA815 Duplex Steel Buttweld Pipe Fittings Mechanical Properties
Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
High Pressure Forged Duplex / Super Duplex Pipe Fittings
Products | Size | |
Duplex / Super Duplex 90° Elbows | Duplex / Super Duplex Couplings | Sizes 1/8″ – 4″ Pressure Ratings – 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
Duplex / Super Duplex 45° Elbows | Duplex / Super Duplex Reducers | |
Duplex / Super Duplex Street Elbows | Duplex / Super Duplex Inserts | |
Duplex / Super Duplex Tees | Duplex / Super Duplex Caps | |
Duplex / Super Duplex Crosses | Duplex / Super Duplex Unions | |
Buttweld Duplex Pipe Fittings
Products | Size | |
Duplex Steel Elbows – Long Radius | Duplex Steel Stub Ends | Sizes 1/2″ – 48″ |
Duplex Steel Elbows – Short Radius | Duplex Steel Crosses | |
Duplex Steel Reducing Elbows | Duplex Steel Reducing Crosses | |
Duplex Steel 45° Elbows | Duplex Steel 180° LR Return Bends | |
Duplex Steel Tees | Duplex Steel 180° SR Return Bends | |
Duplex Equal Tees | Duplex Steel Pipe Bends / Piggable Bends | |
Duplex Steel Reducers | Duplex Steel Couplings | |
Duplex Steel Concentric Reducers | Duplex Steel Pipe Nipples | |
Duplex Steel Eccentric Reducers | Duplex Steel Forged/Plate Cut Rings | |
Duplex Steel 3D Elbow | Duplex Steel End Caps | |
Duplex Steel 5D Elbow | Duplex Steel Forged / Plate Circles | |
Application Of Duplex Pipe Fittings
Textile machinery
Oil and gas industry
Power plants
Energy industries
Furniture
Modern architecture
Home appliances
Water waste projects
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Duplex Pipe Fittings
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