Check Duplex Steel 1.4462 Buttweld Fittings Mechanical Properties/ Chemical Composition And We Are One Of The Top 10 UNS S31803 Elbow Manufacturer In China.
The UNS S31803 fittings consist of duplex stainless steel, with equal portions of austenite and ferrite microstructure. The UNS S31803 Pipe Fittings has two phases and comprises ferritic, austenitic, 22 % chromium, 3 % molybdenum, 5 to 6 % nickel alloyed stainless steel. We are one of the top manufacturers of ASTM A815 UNS S31803 Fittings in China, known for its quality, strength, and durability. Our productions, like Duplex Steel S31803 Buttweld Fittings, are customizable according to the requirements of our esteemed clients and made with accuracy. We believe in timely delivery and never compromise with that. We manufacture a wide range of products, including:
- The Duplex S31803 Elbow is used to change the direction or the angle of the pipe run.
- Our Duplex 2205 1.4462 Pipe Reducer helps reduce the pipe bore size from a bigger to a smaller one.
- We also manufacture the S31803 Duplex Steel End Cap, which protects the ends of the pipe and other fittings. They are available in different shapes according to the shape of the pipe.
- We supply UNS S31803 Duplex Steel Welded Tee mainly used for combining or diving the flow. It also helps to connect pipes with different diameters.
Table Of Content
- UNS S31803 Chemical Composition
- Duplex Steel UNS S31803 Pipe Fittings Mechanical Properties
- UNS S31803 Equivalent
- Specification List Of Werkstoff Nr. 1.4462 Buttweld Fittings
- UNS S31803 Elbow Price List In China
- Dimension Table Of SAF S31803 Reducing Tee
- S31803 Duplex Stainless Steel Fittings Pressure Rating Chart
- ASTM A182 F51 End Cap Schedule Chart
- ASME SA479 S31803 Pipe Nipple Gasket Material
- Size Chart Of Duplex Steel S31803 Fittings
- UNS S31803 Fittings Tolerance Formula
- Buy Types Of UNS S31803 Pipe Fittings At Factory Price In China
UNS S31803 Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| UNS S31803 Pipe Fittings | 0.030 maximum | 2.00 maximum | 1.00 maximum | 0.030 maximum | 0.020 maximum | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 minimum |
Duplex Steel UNS S31803 Pipe Fittings Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| UNS S31803 Pipe Fittings | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Check SAF S31803 Reducing Equivalent Grade/ Tee Material Specification And Manufacturer Of ASTM A182 F51 End Cap.
UNS S31803 Equivalent
| STANDARD | WERKSTOFF NR. | UNS |
| 2205 Duplex Steel Pipe Fittings | 1.4462 | UNS S31803 Pipe Fittings |
Specification List Of Werkstoff Nr. 1.4462 Buttweld Fittings
| Material Specification: | UNS S31803 Pipe Fittings |
| Commonly Type Of Dimensions: | MSS-SP-43 Type B, ASME B16.28, JIS B2312, MSS-SP-43 Type A, ANSI B16.9, JIS B2313 |
| Size In Inches : | NPS 1⁄₂” to NPS 48” |
| Materials Commonly Used: | Alloy Steel, Nickel Alloys, Tantalum, Stainless Steel, Brass, Nickel, Inconel, Copper, Iron (Ductile/Cast), Carbon Steel, Monel, Hastalloy, Bronze, Titanium, Chrome-molybdenum, Cupro-Nickel 90/10 & 70/30 |
| Thickness Tolerance: | Sch 5S/ 20S/ S10/ S20/ S30/ 10S/ S80/ S100/ S120/ STD/ 40S/ S40/ S60/ XS/ 80S/ S140/ S160/ XXS and etc. |
| Temperature Ratings | Class 150/ Class 300/ Class 600/ Class 1500/ Class 2500. |
| Welding Connection Types | End Bell/ Weld/ Flange/ Threaded/ Clamp End |
| Fittings Dimensions Standard | JIS, NPT, EN, ISO, DIN |
| Fittings Type For Sale | Stub End, Adapter, Wye, Bend, Tee, Reducer, Cross, Elbow, End Cap |
UNS S31803 Elbow Price List In China
| Description | Price In INR (Per Piece) |
| Duplex Steel UNS S31803 Buttweld Elbow | |
|---|---|
| 2″ X SCH 40 | 3700.00 |
| 3″ X SCH 40 | 490.00 |
| 4″ X SCH 40 | 720.00 |
| 6″ X SCH 40 | 900.00 |
| 8″ X SCH 40 | 1350.00 |
| 10″ X SCH 40 | 1699.00 |
Reliable Manufacturer of UNS S31803 Pipe Fittings in China. For final Duplex Steel S31803 Buttweld Fittings Price List Please Call on +91(22) – 6743 8321 or drop an Email to alloypipefitting@gmail.com.
ASME SA479 S31803 Pipe Nipple Physical Properties And Standard Dimensions Of Duplex Steel S31803 Fittings.
Dimension Table Of SAF S31803 Reducing Tee

| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | 2 1/4 | 1 11/16 | |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
| 1/2 | 21.3 | 0.840 | 1 | 1 | – | 1 3/8 | 3 | 2 |
| 3/4 | 26.7 | 1.050 | 1 | 1 1/8 | – | 1 11/16 | 3 | 2 |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 1/2 | 1 1/2 | 2 | 4 | 2 |
| 1 1/4 | 42.2 | 1.660 | 1 1/2 | 1 7/8 | 1 7/8 | 2 1/2 | 4 | 2 |
| 1 1/2 | 48.3 | 1.900 | 1 1/2 | 2 1/4 | 2 1/4 | 2 7/8 | 4 | 2 |
| 2 | 60.3 | 2.375 | 1 1/2 | 2 1/2 | 2 1/2 | 3 5/8 | 6 | 2 1/2 |
| 2 1/2 | 73.0 | 2.875 | 1 1/2 | 3 | 3 | 4 1/8 | 6 | 2 1/2 |
| 3 | 88.9 | 3.500 | 2 | 3 3/8 | 3 3/8 | 5 | 6 | 2 1/2 |
| 3 1/2 | 101.6 | 4.000 | 2 1/2 | 3 3/4 | 3 3/4 | 5 1/2 | 6 | 3 |
| 4 | 114.3 | 4.500 | 2 1/2 | 4 1/8 | 4 1/8 | 6 3/16 | 6 | 3 |
| 5 | 141.3 | 5.563 | 3 | 4 7/8 | 4 7/8 | 7 5/16 | 8 | 3 |
| 6 | 168.3 | 6.625 | 3 1/2 | 5 5/8 | 5 5/8 | 8 1/2 | 8 | 3 1/2 |
| 8 | 219.1 | 8.625 | 4 | 7 | 7 | 10 5/8 | 8 | 4 |
| 10 | 273.1 | 10.750 | 5 | 8 1/2 | 8 1/2 | 12 3/4 | 10 | 5 |
| 12 | 323.9 | 12.750 | 6 | 10 | 10 | 15 | 10 | 6 |
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S31803 Duplex Stainless Steel Fittings Pressure Rating Chart
| Pressure-Temperature ratings for UNS S31803 Pipe Fittings (psig) | |||||
|---|---|---|---|---|---|
| Temperature Ratings | Pressure Class | ||||
| 150 | 300 | ||||
| 1/4 – 1 inch. | 1 1/4 – 2 inch. | 2 1/2 – 3 inch. | |||
| (oF) | (oC) | ||||
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 250 | 121 | 225 | 1575 | 1200 | 825 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 350 | 177 | 150 | 1150 | 900 | 650 |
| 400 | 204 | – | 935 | 750 | 560 |
| 450 | 232 | – | 725 | 600 | 475 |
| 500 | 260 | – | 510 | 450 | 385 |
| 550 | 288 | – | 300 | 300 | 300 |
ASTM A182 F51 End Cap Schedule Chart
| DN (Normal Pipe Size) For ASME B16.9 | Schedule 10S | Schedule 40S | Schedule 80S | ||||||
| Elbow 90 Deg | Elbow 45 Deg | B16.9 Equal Tee | Elbow 90 Deg | Elbow 45 Deg | B16.9 Equal Tee | Elbow 90 Deg | Elbow 45 Deg | B16.9 Equal Tee | |
| 8 | 0.02 | 0.01 | 0.03 | 0.03 | 0.02 | 0.06 | 0.04 | 0.03 | 0.07 |
| 10 | 0.03 | 0.02 | 0.05 | 0.03 | 0.02 | 0.03 | 0.06 | 0.04 | 0.09 |
| 15 | 0.06 | 0.03 | 0.09 | 0.08 | 0.04 | 0.10 | 0.10 | 0.05 | 0.14 |
| 20 | 0.07 | 0.03 | 0.13 | 0.08 | 0.04 | 0.17 | 0.11 | 0.05 | 0.20 |
| 25 | 0.14 | 0.08 | 0.28 | 0.15 | 0.11 | 0.29 | 0.22 | 0.14 | 0.38 |
| 32 | 0.23 | 0.11 | 0.49 | 0.26 | 0.17 | 0.59 | 0.40 | 0.23 | 0.68 |
| 40 | 0.30 | 0.17 | 0.68 | 0.40 | 0.23 | 0.86 | 0.51 | 0.29 | 1.02 |
| 50 | 0.50 | 0.25 | 0.85 | 0.70 | 0.4 | 1.28 | 0.91 | 0.59 | 1.59 |
| 65 | 0.85 | 0.48 | 1.41 | 1.40 | 0.77 | 2.19 | 1.81 | 0.99 | 3.13 |
| 80 | 1.25 | 0.63 | 1.77 | 2.20 | 1.08 | 3.31 | 2.97 | 1.50 | 4.45 |
| 90 | 1.70 | 0.75 | 2.67 | 2.83 | 1.42 | 4.08 | 4.00 | 2.00 | 5.44 |
| 100 | 2.10 | 1.08 | 3.46 | 4.47 | 2.09 | 5.27 | 6.18 | 2.81 | 7.71 |
| 150 | 5.45 | 2.72 | 8.07 | 10.89 | 5.44 | 10.99 | 16.32 | 8.16 | 13.61 |
| 200 | 10.20 | 5.33 | 15.65 | 21.54 | 10.77 | 20.91 | 33.11 | 16.56 | 28.12 |
| 250 | 18.15 | 9.75 | 26.46 | 38.56 | 19.27 | 35.38 | 51.71 | 25.86 | 49.90 |
| 300 | 25.80 | 13.62 | 39.46 | 59.42 | 29.71 | 62.14 | 79.38 | 39.69 | 83.91 |
| DN (Normal Pipe Sizes) For ASME B16.9 | Schedule 10S | Schedule 40S | Schedule 80S | ||||||
| Concentric Pipe Reducer | Eccentric Pipe Reducer | Reducing And Unequal Tee | Concentric Pipe Reducer | Eccentric Pipe Reducer | Reducing And Unequal Tee | Concentric Pipe Reducer | Eccentric Pipe Reducer | Reducing And Unequal Tee | |
| 40x.25 | 0.19 | 0.19 | 0.60 | 0.26 | 0.26 | 0.76 | 0.34 | 0.34 | 0.90 |
| 50×25 | 0.28 | 0.28 | 0.73 | 0.40 | 0.40 | 1.10 | 0.54 | 0.54 | 1.37 |
| 50×40 | 0.31 | 0.31 | 0.76 | 0.45 | 0.45 | 1.15 | 0.59 | 0.59 | 1.43 |
| 80x.50 | 0.55 | 0.55 | 1.56 | 1.00 | 1.00 | 2.91 | 1.79 | 1.79 | 3.91 |
| 100×50 | 0.78 | 0.78 | 2.94 | 1.50 | 1.50 | 4.48 | 1.95 | 1.95 | 6.55 |
| 100×80 | 0.87 | 0.87 | 3.04 | 1.74 | 1.74 | 4.64 | 2.33 | 2.33 | 6.79 |
| 150×80 | 1.82 | 1.82 | 6.86 | 3.95 | 3.95 | 9.68 | 5.51 | 5.51 | 11.57 |
| 150×100 | 1.96 | 1.96 | 7.10 | 4.07 | 4.07 | 11.94 | 5.96 | 5.96 | 11.97 |
| 200×100 | 3.01 | 3.01 | 13.46 | 6.55 | 6.55 | 17.98 | 9.23 | 9.23 | 24.18 |
| 200×150 | 3.19 | 3.19 | 14.08 | 6.74 | 6.74 | 18.82 | 10.12 | 10.12 | 25.31 |
Global Supplier & Manufacturer Of Stainless Steel Duplex UNS S31803 Fittings And AISI 2205 F51 End Cap In China
ASME SA479 S31803 Pipe Nipple Gasket Material
| O.D. or I.D. Diameter | Equivalent Decimal | Nominal Diameter | Typical Threads In Inch |
| 5/16 | 0.313 | 1/16 | 27 |
| 13/32 | 0.405 | 1/8 | 27 |
| 35/64 | 0.540 | 1/4 | 18 |
| 43/64 | 0.675 | 3/8 | 18 |
| 27/32 | 0.840 | 1/2 | 14 |
| 1-3/64 | 1.050 | 3/4 | 14 |
| 1-5/16 | 1.315 | 1 | 11-1/2 |
| 1-21/32 | 1.660 | 1-1/4 | 11-1/2 |
| 1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
| 2-3/8 | 2.375 | 2 | 11-1/2 |
| 2-7/8 | 2.875 | 2-1/2 | 8 |
| 3-1/2 | 3.500 | 3 | 8 |
| 4 | 4.000 | 3-1/2 | 8 |
| 4-1/2 | 4.500 | 4 | 8 |
Size Chart Of Duplex Steel S31803 Fittings
| O.D. or I.D. Diameter | Equivalent Decimal | Nominal Diameter | Typical Threads In Inch |
| 5/16 | 0.313 | 1/16 | 27 |
| 13/32 | 0.405 | 1/8 | 27 |
| 35/64 | 0.540 | 1/4 | 18 |
| 43/64 | 0.675 | 3/8 | 18 |
| 27/32 | 0.840 | 1/2 | 14 |
| 1-3/64 | 1.050 | 3/4 | 14 |
| 1-5/16 | 1.315 | 1 | 11-1/2 |
| 1-21/32 | 1.660 | 1-1/4 | 11-1/2 |
| 1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
| 2-3/8 | 2.375 | 2 | 11-1/2 |
| 2-7/8 | 2.875 | 2-1/2 | 8 |
| 3-1/2 | 3.500 | 3 | 8 |
| 4 | 4.000 | 3-1/2 | 8 |
| 4-1/2 | 4.500 | 4 | 8 |
UNS S31803 Fittings Tolerance Formula
| UNS S31803 Pipe Fittings Tolerance | 90 Deg And 45 Deg Elbows And Pipe Tee | Reducer (Concentric/ Eccentric) & Lap Joint Stub End (Long / Short) | Pipe End Caps | |||
| Normal Pipe Size (NPS) Of ASME B16.9 | O. (Outside) D. (Daimeter) at Bevel | I. (Inside) D.(Daimeter) at End | Wall Thickness Of T | Center-to-End Dimension A ,C ,B | Over-all Length Of H | Over-all Length Of F |
| 1/2 to 2-1/2 | +0.06 | Not less than 87.5% of nominal thickness | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| -0.03 | ||||||
| 3 to 3-1/2 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 4 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 5 to 8 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.25 | |
| 10 to 18 | +0.16 | +/- 0.12 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.12 | ||||||
| 20 to 24 | +0.25 | +/- 0.19 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.19 | ||||||
| 26 to 30 | +0.25 | +/- 0.19 | +/- 0.12 | +/- 0.19 | +/- 0.38 | |
| -0.19 | ||||||
| 32 to 48 | +0.25 | +/- 0.19 | +/- 0.19 | +/- 0.19 | +/- 0.38 | |
| -0.19 | ||||||
Buy Types Of UNS S31803 Pipe Fittings At Factory Price In China
![]() UNS S31803 Elbow | ![]() Werkstoff Nr. 1.4462 Reducing Tee | ![]() SAF S31803 End Cap | ![]() ASTM A182 F51 Reducer |
![]() ASME SA479 S31803 Stub End | ![]() Duplex Steel S31803 Pipe Nipple | ![]() Duplex 2205 S31803 Pipe Cross | ![]() UNS S31803 Duplex Stainless Steel Plug |
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