Traditionally, duplex grades contain about 22% chromium of their total weight. Similarly, stainless steel grade 2205, which is a duplex variety consists of 22% chromium in its alloy. Having a higher degree of chromium in the Duplex 2205 Fittings comes with several benefits including higher yield strength, better mechanical properties, and good to outstanding resistance to corrosion. The alloy’s resistance to corrosion alone makes the Duplex Stainless Steel Pipe Fittings a better contender for challenging applications. Industries like oil and gas, petrochemical, etc., are high pressured environments. These industries call for products like the ASTM A815 UNS S31803 Elbow which, are not only standardized but also durable.
This durability is an extension of their chemical composition and the dual phase they exhibit. Duplex alloys are neither fully austenitic nor are they fully ferritic. So, the phase of Duplex Steel Buttweld Fittings that is a dual one makes them amongst the toughest alloys around. Their ability to handle toxic waste and hazardous chemicals and harsh reagents without becoming susceptible to corrosion make the Duplex Steel Pipe Fittings attractive across several applications such as flue gas desulfurization, chemical processing plants, etc. Though duplex alloys are suited to processes where high temperatures are common, it is not advisable to make use of the A815 UNS S31803 Tee, simply because at temperatures beyond 600° F, the alloy experiences embrittlement.
Specifications | ASTM A815/ ASME SA815 |
---|---|
Bending Radius | Radius=1 D, 2D, 3 D, 5D, 6D, 8 D, 10D |
Size Range | Seamless Butt-Weld Fitting: From 1/2″ - 10″ Welded ButtWeld Fitting: From 1/2″ - 48″ |
Dimension | ASME/ ANSI B16.9 | ASME B16.28 | MSS-SP-43 | BS1560 | BS4504 | BS10 |
Size Ranges | ½” NB to 24″ NB in Schedule 10s, 40s, 80s, 160s, XXS. |
Other Grades | Duplex 2205 Fittings, UNS S31803 Fittings, UNS S32205 Fittings |
Types | Welded | Seamless | Fabricated |
Process of Duplex Steel Fittings | Push, Press, Cast, Forge. |
Thickness of Fitting | SCH10, SCH 20, SCH30, STD SCH40, SCH80, SCH60, XS, SCH100, SCH 120, SCH140, SCH 160, XXS available with NACE MR 01-75 |
NOMINAL PIPE SIZE | ALL FITTINGS | ALL FITTINGS | ELBOWS AND TEES | 180 DEG RETURN BENDS | 180 DEG RETURN BENDS | 180 DEG RETURN BENDS | REDUCERS | CAPS |
---|---|---|---|---|---|---|---|---|
NPS | O.D. at Bevel (1), (2) | I.D. at End (1), (3), (4) |
Centre -to- End Dimension A, B, C, M | Centre-to- Centre O | Back-to- Face K | Alignment of Ends U | Overall Length H | Overall Length E |
½ to 2½ | 0.06 -0.03 |
0.03 | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
3 to 3 ½ | 0.06 | 0.06 | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
4 | 0.06 | 0.06 | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
5 to 8 | 0.09 -0.06 |
0.06 | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.25 |
10 to 18 | 0.16 -0.12 |
0.12 | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
20 to 24 | 0.25 -0.19 |
0.19 | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
26 to 30 | 0.25 -0.19 |
0.19 | 0.12 | … | … | … | 0.19 | 0.38 |
32 to 48 | 0.25 -0.19 |
0.19 | 0.19 | … | … | … | 0.19 | 0.38 |
NOMINAL PIPE SIZE | OUTSIDE DIAMETER | END TO END | |
---|---|---|---|
Inch | D | P | H |
3/4 x 1/2 | 26.7 | 21.3 | 38 |
3/4 x 3/8 | 26.7 | 17.1 | 38 |
1 x 3/4 | 33.4 | 26.7 | 51 |
1 x 1/2 | 33.4 | 21.3 | 51 |
1 1/4 x 1 | 42.2 | 33.4 | 51 |
1 1/4 x 3/4 | 42.2 | 26.7 | 51 |
1 1/4 x 1/2 | 42.2 | 21.3 | 51 |
1 1/2 x 1 1/2 | 48.3 | 42.2 | 64 |
1 1/2 x 1 | 48.3 | 33.4 | 64 |
1 1/2 x 3/4 | 48.3 | 26.7 | 64 |
1 1/2 x 1/2 | 48.3 | 21.3 | 64 |
2 x 1 1/2 | 60.3 | 48.2 | 76 |
2 x 1 1/4 | 60.3 | 42.2 | 76 |
2 x 1 | 60.3 | 33.4 | 76 |
2 x 3/4 | 60.3 | 26.7 | 76 |
2 1/2 x 2 | 73 | 60.3 | 89 |
2 1/2 x 1 1/2 | 73 | 48.3 | 89 |
2 1/2 x 1 1/4 | 73 | 42.2 | 89 |
2 1/2 x 1 | 73 | 33.4 | 89 |
3 x 2 1/2 | 88.9 | 73 | 89 |
3 x 2 | 88.9 | 60.3 | 89 |
3 x 1 1/2 | 88.9 | 48.3 | 89 |
3 x 1 1/4 | 88.9 | 42.2 | 89 |
3 1/2 x 3 | 101.6 | 88.9 | 102 |
3 1/2 x 21/2 | 101.6 | 73 | 102 |
3 1/2 x 2 | 101.6 | 60.3 | 102 |
3 1/2 x 1 1/2 | 101.6 | 48.3 | 102 |
3 1/2 x 1 1/4 | 101.6 | 42.2 | 102 |
4 x 3 1/2 | 114.3 | 101.6 | 102 |
4 x 3 | 114.3 | 88.9 | 102 |
4 x 2 1/2 | 114.3 | 73 | 102 |
4 x 2 | 114.3 | 60.3 | 102 |
4 x 1 1/2 | 114.3 | 48.3 | 102 |
5 x 4 | 141.3 | 114.3 | 127 |
5 x 3 1/2 | 141.3 | 101.6 | 127 |
5 x 3 | 141.3 | 88.9 | 127 |
5 x 2 1/2 | 141.3 | 73 | 127 |
5 x 2 | 141.3 | 60.3 | 127 |
6 x 5 | 168.3 | 141.3 | 140 |
6 x 4 | 168.3 | 114.3 | 140 |
6 x 3 1/2 | 168.3 | 101.6 | 140 |
6 x 3 | 168.3 | 88.9 | 140 |
6 x 2 1/2 | 168.3 | 73 | 140 |
8 x 6 | 219.1 | 168.3 | 152 |
8 x 5 | 219.1 | 141.3 | 152 |
8 x 4 | 219.1 | 114.3 | 152 |
8 x 3 1/2 | 219.1 | 101.6 | 152 |
10 x 8 | 273.1 | 219.1 | 178 |
10 x 6 | 273.1 | 168.1 | 178 |
10 x 5 | 273.1 | 141.3 | 178 |
10 x 4 | 273.1 | 114.3 | 178 |
12 x 10 | 323.9 | 273.1 | 203 |
12 x 8 | 323.9 | 219.1 | 203 |
12 x 6 | 323.9 | 168.3 | 203 |
12 x 5 | 323.9 | 141.3 | 203 |
14 x 12 | 355.6 | 323.9 | 330 |
14 x 10 | 355.6 | 273.1 | 330 |
14 x 8 | 355.6 | 219.1 | 330 |
14 x 6 | 355.6 | 168.3 | 330 |
16 x 14 | 406.4 | 355.6 | 356 |
16 x 12 | 406.4 | 323.9 | 356 |
16 x 10 | 406.4 | 273.1 | 356 |
16 x 8 | 406.4 | 219.1 | 356 |
16 x 6 | 406.4 | 168.3 | 356 |
18 x 16 | 457 | 406.4 | 381 |
18 x 14 | 457 | 355.6 | 381 |
18 x 12 | 457 | 323.9 | 381 |
18 x 10 | 457 | 273.1 | 381 |
18 x 8 | 457 | 219.1 | 381 |
20 x 18 | 508 | 457 | 508 |
20 x 16 | 508 | 406.4 | 508 |
20 x 14 | 508 | 355.6 | 508 |
20 x 12 | 508 | 323.9 | 508 |
20 x 10 | 508 | 273.1 | 508 |
20 x 8 | 508 | 219.1 | 508 |
22 x 20 | 559 | 508 | 508 |
22 x 18 | 559 | 457 | 508 |
22 x 16 | 559 | 406.4 | 508 |
22 x 14 | 559 | 355.6 | 508 |
22 x 12 | 559 | 323.9 | 508 |
24 x 10 | 559 | 273.1 | 508 |
24 x 22 | 610 | 559 | 508 |
24 x 20 | 610 | 508 | 508 |
24 x 18 | 610 | 457 | 508 |
24 x 16 | 610 | 406.4 | 508 |
24 x 14 | 610 | 355.6 | 508 |
24 x 12 | 610 | 323.9 | 508 |
24 x 10 | 610 | 273.1 | 508 |
|
NPS (inch) |
Pipe Sch. | Wall Thk. (in) |
OD (inch) |
Temperature | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
100 | 200 | 300 | 400 | 500 | ||||||||
Allowable Stress (Pressure Rating) | ||||||||||||
16700 | 16700 | 16700 | 15500 | 14400 | ||||||||
1" | 40 | 0.133 | 1.315 | 2205 | 2205 | 2205 | 2047 | 1902 | ||||
80 | 0.179 | 1.315 | 3061 | 3061 | 3061 | 2841 | 2640 | |||||
160 | 0.250 | 1.315 | 4493 | 4493 | 4493 | 4170 | 3874 | |||||
1 1/2" | 40 | 0.145 | 1.900 | 1629 | 1629 | 1629 | 1512 | 1404 | ||||
80 | 0.200 | 1.900 | 2303 | 2303 | 2303 | 2138 | 1986 | |||||
160 | 0.281 | 1.900 | 3362 | 3362 | 3362 | 3120 | 2899 | |||||
2" | 40 | 0.154 | 2.375 | 1371 | 1371 | 1371 | 1272 | 1182 | ||||
80 | 0.218 | 2.375 | 1985 | 1985 | 1985 | 1843 | 1712 | |||||
160 | 0.344 | 2.375 | 3283 | 3283 | 3283 | 3047 | 2831 | |||||
3" | 40 | 0.216 | 3.500 | 1301 | 1301 | 1301 | 1208 | 1122 | ||||
80 | 0.300 | 3.500 | 1844 | 1844 | 1844 | 1712 | 1590 | |||||
160 | 0.438 | 3.500 | 2787 | 2787 | 2787 | 2587 | 2403 | |||||
4" | 40 | 0.237 | 4.500 | 1102 | 1102 | 1102 | 1023 | 950 | ||||
80 | 0.337 | 4.500 | 1596 | 1596 | 1596 | 1482 | 1377 | |||||
160 | 0.531 | 4.500 | 2611 | 2611 | 2611 | 2424 | 2552 | |||||
5" | 40 | 0.258 | 5.563 | 965 | 965 | 965 | 896 | 832 | ||||
80 | 0.375 | 5.563 | 1428 | 1428 | 1428 | 1325 | 1231 | |||||
160 | 0.625 | 5.563 | 2474 | 2474 | 2474 | 2296 | 2133 | |||||
6" | 40 | 0.280 | 6.625 | 877 | 877 | 877 | 814 | 756 | ||||
80 | 0.432 | 6.625 | 1379 | 1379 | 1379 | 1280 | 1189 | |||||
160 | 0.719 | 6.625 | 2382 | 2382 | 2382 | 2211 | 2054 | |||||
8" | 40 | 0.322 | 8.625 | 771 | 771 | 771 | 716 | 665 | ||||
80 | 0.500 | 8.625 | 1218 | 1218 | 1218 | 1131 | 1050 | |||||
160 | 0.906 | 8.625 | 2298 | 2298 | 2298 | 2133 | 1982 | |||||
10" | 40 | 0.365 | 10.750 | 699 | 699 | 699 | 649 | 603 | ||||
80 | 0.594 | 10.750 | 1159 | 1159 | 1159 | 1075 | 999 | |||||
160 | 1.125 | 10.750 | 2289 | 2289 | 2289 | 2124 | 1974 |
Density (Kg / M3) | Modulus of Elasticity (GPa) | Poisson’s Ratio | Thermal Conductivity (W/moC) | Thermal Capacity (I/KgoC) | Electrical Resistivity |
7800 | 200 | 0.3 | 15 | 500 | 0.80 |
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 |
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 | 21.0 – 23.0 | 2.50 - 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
STANDARD | WERKSTOFF NR. | UNS |
Duplex 2205 | 1.4462 | S31803 / S32205 |
Duplex Steel Pipe Fittings Price List | Price |
Duplex Steels NPT Male Threaded 3000LB Forged Swaged Nipple A182 F51 | $80.12 - $95.28/ Piece |
2507 SS Seamless 3/4'' SCH10s 90 Degree Elbow | $2.09 - $3.07/ Piece |
S31803 Butt Welded DSS Elbow Pipe Fitting | $0.49 - $48.27/ Piece |
ASME B16.49 A815 S31803 90 Degree 3D 5D Pipe Bend | $5.89 - $175.32/ Piece |
Duplex 2205 Pipe Fittings | Bahrain, South Africa, Singapore |
Duplex Steel Pipe Fittings | Thailand, France, Europe, Qatar |
Duplex Stainless Steel Pipe Fittings | Australia, Philippines, Nigeria, UK |
Duplex Steel Buttweld Fittings | Hong Kong, Oman, Malaysia, UAE |
Duplex Pipe Fittings | Malaysia, USA, Finland, Bangladesh |
Duplex 2205 Fitting | Chile, Italy, Iran, Singapore |
2205 Duplex Stainless Steel Threadolet | Norway, Malaysia, United Arab Emirates (UAE), Turkey |
Uns S31803 Pipe Fitting Duplex A815m | Indonesia, Belgium, Dammam -KSA, Philippines. |
Threadolet 4" X 1/2" Sch 120 Class9000 Duplex SS A815 Uns-S31803 A182 F51 Pipe Fitting | Malaysia, Philippines, Canada, Singapore |
Seamless Elbow Tee Reducer Duplex 2507 Pipe Fittings | UK, Mexico, Egypt, Spain |
Tee, 5" DN125, Sch 40, 2205 Stainless Steel | Poland, Canada, Ellington -United States, UK |
45 Degree 2205 Stainless Steel Elbow Pipe Fitting | Europe, UAE, United Kingdom -UK, Malaysia |
2205 S31803/S32205 a/SA815, a/SA182 No. 1.4462 Butt Weld Fitting | Malaysia, Japan, Europe, Romania |
S31803 / S32205 Steel Forged Threaded Fitting | Czechia, Malaysia, Germany, Thailand |
Duplex Steel S31803, S32205 Butt Weld Fitting | Sweden, China, Colombia, Malaysia |
ASME B16.9 Bw Schedule 40 Steel Pipe Fitting | Netherlands, Russia, Dubai, Malaysia |
DSS 2205 Bw Pipe Fitting Elbow | Saudi Arabia (KSA), Kuwait, South Africa, Brazil |