Alpha Overseas is famous for its production and distribution of Duplex/Super Duplex Flanges. A super duplex austenitic grade of stainless steel is duplex 2507. The 2507 Super Duplex Wnrf Flange's alloy has elements like 25% chromium, 4% molybdenum, and 7% nickel as part of its basic chemistry or chemical composition. Applications requiring great strength and corrosion resistance focus on the Sa182 F11 Flange alloy's design.
For instance, applications for the Super Duplex 2507 F55 Blind Flange include the usage of equipment in the chemical processing, petrochemical, and saltwater industries. High thermal conductivity, low thermal expansion coefficient, and exceptional resistance to chloride stress-related corrosion cracking are characteristics of super duplex flanges. The ASTM A182 F51 Pipe Flange has an enhanced or increased resistance to pitting, crevice, and general corrosion due to its high amount of chromium, molybdenum, and nickel.
ASTM A182 Duplex Flange, Duplex Steel Flanges, Super Duplex Steel Flange, DSS Flange, Super Duplex Flanges Suppliers, Duplex Slip On Flange, SDSS Weld Neck Flange, Duplex Stainless Steel Pipe Flanges, Super Duplex Stainless Steel Flanges Manufacturers in India.
The Uns S32760 Material is made significantly more resistant to uniform corrosion, also known as general corrosion, by the addition of high concentrations of metals like chromium and molybdenum when exposed to environments containing organic acids like acetic and acetic formic acid. Furthermore, Uns S32750 Flange also shows remarkable resistance to inorganic acids, particularly when media that may contain chlorides are present. While using the ASTM A182 F51 Pipe Flange with diluted hydrochloric acid is Still ok, exposure to concentrated hydrochloric acid must be avoided. In addition to being lightweight, the Super Duplex 2507 F55 Blind Flange is a more affordable option because it uses less alloy during production. Since the tensile yield strength is so great, the quality of lightweight items is not sacrificed. Applications for 2507 include offshore, oil and gas, and sour wells that either have naturally high brine levels or have had brine solution injected into them to improve recovery. It is also generally known that the Super Duplex 2507 Flanges exhibit excellent resistance to crevice corrosion.
Super Duplex Flange Dimensions
| NPS (in.) |
Duplex Steel Flange Dimensions | ||||
|---|---|---|---|---|---|
| Dia. of Flange (in.) |
No. of Bolts |
Dia. of Bolts (in.) |
Dia. of Bolt Holes (in.) |
Bolt Circle (in.) |
|
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
Duplex Flanges Weight Chart
| Pipe Normal Diameter (inch) | Outer diameter Flange | Thicjness Of Flange Minimum | Diameter of Hub |
Diameter of Raised Face | Length Hub.Y | Thread Length | Diameter of Bolt Circle |
Diameter of Bolt Holes |
Number of Bolts |
Diameter of Bolts (inch) |
KG | LB | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 15 | 89.00 | 11.20 | 30.20 | 35.10 | 15.70 | 15.70 | 60.50 | 15.80 | 4 | 1/2" | 0.4 | 0.9 |
| 3/4" | 20 | 98.50 | 12.70 | 38.10 | 42.90 | 15.70 | 15.70 | 69.90 | 15.80 | 4 | 1/2" | 0.7 | 1.5 |
| 1" | 25 | 108.00 | 14.20 | 49.30 | 50.80 | 17.50 | 17.50 | 79.30 | 15.80 | 4 | 1/2" | 0.8 | 1.8 |
| 1-1/4" | 32 | 117.50 | 15.70 | 58.70 | 63.50 | 20.60 | 20.60 | 88.90 | 15.80 | 4 | 1/2" | 1.2 | 2.6 |
| 1-1/2" | 40 | 127.00 | 17.50 | 65.00 | 73.20 | 22.40 | 22.40 | 98.60 | 15.80 | 4 | 1/2" | 1.5 | 3.3 |
| 2" | 50 | 152.50 | 19.10 | 77.70 | 91.90 | 25.40 | 25.40 | 120.70 | 19.10 | 4 | 5/8" | 2.3 | 5.1 |
| 2-1/2" | 65 | 178.00 | 22.40 | 90.40 | 104.60 | 28.40 | 28.40 | 139.70 | 19.10 | 4 | 5/8" | 3.7 | 8.1 |
| 3" | 80 | 190.50 | 23.90 | 108.00 | 127.00 | 30.20 | 30.20 | 152.40 | 19.10 | 4 | 5/8" | 4.1 | 9 |
| 3-1/2" | 90 | 216.00 | 23.90 | 122.20 | 139.70 | 31.80 | 31.80 | 177.80 | 19.10 | 8 | 5/8" | 5.1 | 11.2 |
| 4" | 100 | 228.50 | 23.90 | 134.90 | 157.20 | 33.30 | 33.30 | 190.50 | 19.10 | 8 | 5/8" | 5.9 | 13 |
| 5" | 125 | 254.00 | 23.90 | 163.60 | 185.70 | 36.60 | 36.60 | 215.90 | 22.40 | 8 | 3/4" | 7 | 15.4 |
| 6" | 150 | 279.50 | 25.40 | 192.00 | 215.90 | 39.60 | 39.60 | 241.30 | 22.40 | 8 | 3/4" | 8.4 | 18.5 |
| 8" | 200 | 343.00 | 28.40 | 246.10 | 269.70 | 44.50 | 44.50 | 298.50 | 22.40 | 8 | 3/4" | 13 | 28.6 |
| 10" | 250 | 406.50 | 30.20 | 304.80 | 323.90 | 49.30 | 49.30 | 362.00 | 25.40 | 12 | 7/8" | 18 | 39.5 |
| 12" | 300 | 482.50 | 31.80 | 365.30 | 381.00 | 55.60 | 55.60 | 431.80 | 25.40 | 12 | 7/8" | 29 | 64 |
| 14" | 350 | 533.50 | 35.10 | 400.10 | 412.80 | 57.20 | 57.20 | 476.30 | 28.50 | 12 | 1" | 39 | 86 |
| 16" | 400 | 597.00 | 36.60 | 457.20 | 469.90 | 63.50 | 63.50 | 539.80 | 28.50 | 16 | 1" | 47 | 103 |
| 18" | 450 | 635.00 | 39.60 | 505.00 | 533.40 | 68.30 | 68.30 | 577.90 | 31.80 | 16 | 1 1/8" | 57 | 126 |
| 20" | 500 | 698.50 | 42.90 | 558.80 | 584.20 | 73.20 | 73.20 | 635.00 | 31.80 | 20 | 1 1/8" | 76 | 167 |
| 24" | 600 | 813.00 | 47.80 | 663.40 | 692.20 | 82.60 | 82.60 | 749.30 | 35.10 | 20 | 1 1/4" | 97 | 214 |
Duplex / Super Duplex Steel Flanges Types
Duplex / Super Duplex Steel Slip On Flange
- Duplex Stainless Steel Raised Face Slip On Flange
- Super Duplex Slip On Raised Face Flange
- Duplex Steel SORF Flange
- Super Duplex SO Flanges
- Duplex Flat Face Slip On Flanges
- SDSS FFSO Flanges
- Super Duplex Steel RFSO Flanges
- Duplex PN16 Slip On Flange
- DSS Pipe Slip On Flange in India
- Super Duplex SORTJ
- ASTM A182 Duplex Steel SOFF Flange
- ASTM A182 Duplex Slip On Pipe Flange
Duplex / Super Duplex Steel Weld Neck Flange
- Super Duplex Steel Weld Neck Flanges
- Duplex Stainless Steel WNRTJ Flange
- Super Duplex Steel Welding Neck Flanges
- Duplex WNRF Flanges
- Duplex Flat Face Weld Neck Flange
- SDSS Raised Face Weld Neck Flange
- Super Duplex WNFF Flangs
- Duplex Steel RFWN Flange
- DSS Weld Neck Flanges ANSI B16.5
- ASTM A182 Super Duplex Weld Neck Flange 300
- ASME SA182 Duplex Welding Neck Flanges 150#
Duplex / Super Duplex Steel Blind Flange
- Super Duplex Steel BLRF Flange
- Duplex Steel BLRTJ Flange
- SDSS Blind Pipe Flanges
- Super Duplex Stainless Steel Blind Flanges
- Duplex BLFF Flanges
- ASTM A182 Super Duplex Steel BLRTJ Flange
- SA182 Duplex BL Flange Stockist
- Super Duplex Steel RTJ Blind Flange
- Duplex Steel BLFF Flanges
- ASME B16.5 DSS Blind Raised Face Flange
- Super Duplex Pipe Blind Flange
- Duplex Steel Blind Plate Flanges
Duplex / Super Duplex Steel Threaded Flange
- Super Duplex Stainless Steel Threaded Flanges
- Duplex Steel Threaded Pipe Flange
- Super Duplex Steel Female Threaded Flange
- SDSS Male Threaded Flange
- Duplex Steel Grade Threaded Flange
- ASTM A182 Super Duplex Steel NPT Threaded Flange
- ASME SA182 DSS Screwed Flanges
- Duplex Reducing Threaded Flange
- Super Duplex Steel Raised Face Threaded Flange
- ASTM A182 Duplex Steel Thread Flange
- Super Duplex Steel 3 inch Threaded Pipe Flanges
Duplex / Super Duplex Steel Socket weld Flange
- Super Duplex Stainless Steel SWRF Flanges
- Duplex Socket Weld Pipe Flange
- Super Duplex Steel RFSW Flanges
- DSS Raised Face Socket Weld Flanges
- Duplex Steel Grade Socket Welding Flange
- Super Duplex Flat Face Socket Weld Flange
- SDSS SWRTJ Flanges
- ASME SA182 DSS Flange sw rf
- Duplex Steel SWFF Flanges
- Super Duplex Socket Weld Raised Face Flange
- ASME B16.5 Super Duplex Steel SW Flange
- Duplex Steel 300# Socket Weld Flange
Duplex / Super Duplex Steel Long Weld Neck Flange
- SDSS Long Welding Neck Flange
- Super Duplex Stainless Steel RFLWN Flange
- Duplex Steel LWN Flanges
- ASTM A182 Super Duplex Steel LWNRF Flanges
- Super Duplex LWN Flange
- Duplex Raised Face Long Weld Neck Flange
- Super Duplex Steel Long Welding Neck Flanges
- Super Duplex Steel Long Weld Neck Raised Face Flange
- DSS ASME B16.5 Long Weld Neck Flanges
Duplex / Super Duplex Steel Lap Joint Flange
- Duplex Lap Joint Flange
- Super Duplex Stainless Steel LJ Flanges
- Duplex Steel Raised Face Lap Joint Flange
- DSS Lap Joint Flange with stub end
- Super Duplex Steel A182 LJFF Flange
- ASME SA182 Duplex LJ Flanges
- SDSS Lap Joint Pipe Flange
- Super Duplex LJRF Flanges
- Duplex Flange Lap Joint
- ANSI B16.5 Super Duplex Lapped Joint Flange
- Duplex Steel Flat Face Lap Joint Flange
- Super Duplex Flange Lap Joint Stub End
Duplex / Super Duplex Steel Plate Flange
- Duplex Plate Flanges
- DSS Plate Flange
- Super Duplex Steel Plate Flange
- Duplex Plate Flanges Class 150
- Super Duplex Plate Flanges
- ASTM A182 Super Duplex Steel Plate Flange
- ASME SA182 Duplex Plate Flange en 1092
- Super Duplex din 2501 pn10 plate flange
- Duplex Stainless Steel Plate Flanges
- SDSS Plate Flanges
- Super Duplex Steel ANSI B16.5 Plate Flanges
Duplex / Super Duplex Steel Orifice Flange
- Super Duplex ASME B16.36 Orifice Flange
- Duplex Stainless Steel Orifice Flanges
- Super Duplex Steel Raised Face Orifice Flanges
- ASTM A182 Duplex Orifice Pipe Flange
- ASME SA182 Duplex RTJ Orifice Flange
- Super Duplex Steel Orifice Plate Flange
- Duplex Orifice Flanges
- Super Duplex Orifice Flanges
- ANSI B16.36 SDSS Orifice Flanges
- DSS Orifice Flanges
- Duplex Steel Class 150 Orifice Flange
Specialized in Following ASTM A182 Duplex Steel Flanges
- ASTM A182 Duplex Steel Flange
- SDSS Flange Manufacturer in Mumbai
- ASTM A182 Duplex Pipe Flanges
- Super Duplex Steel Flange Manufacturer
- Duplex Stainless Steel Flanges Suppliers in India
- Super Duplex Steel Spacer Ring Flanges
- Duplex Steel Slip On Plate Flange
- DSS Industrial Pipe Flange
- Super Duplex Stainless Steel Flange Suppliers
- Duplex Type Super Duplex Steel Loose Plate Flange
- Manufacturer of Duplex Steel Flanges
- Super Duplex Large Diameter Flange
- Duplex Steel Groove Flange
- DSS Flat Face Flanges
- Super Duplex Paddle Blank and Spacer
- Duplex Large Tongue Flange Stock
- ANSI/ASME B16.5 Super Duplex Flange Supplier in Mumbai
- Duplex Steel A182 Forged Flanges
- ASME B16.5 Super Duplex Pipe Flange Spacer Ring
- Super Duplex Steel Custom Flanges
- Duplex Flange Pressure Rating
- ASTM A182 Super Duplex Steel Flanges
- Supplier of DSS Slip On Flat Face Flange
- Duplex Tongue and Groove Flanges Dealers
- Super Duplex Stainless Steel Ring Type Joint Flanges
- Duplex Steel Flat Face Flange
- Super Duplex Steel RTJ Flange Exporter
- Super Duplex Steel Raised Face Flange
- Duplex Stainless Steel Flanges Stockist
- SDSS Flanges at Best Price List In India
- Super Duplex Steel Exhaust Flanges
- Duplex Steel Reducing Flange
- Super Duplex Steel NPT Flanges
- Duplex Steel Spectacle Blind Flanges
- ASTM A182 Super Duplex Steel Nipoflange
- Duplex Steel Flangeolet
- ASTM A182 Duplex Paddle Blind Flange
- Super Duplex Blind Spectacle Flange
Duplex Flange Pressure Rating Chart
| ASME | Pressure Temperature Ratings For Duplex Steel Flanges | ||||||
| Temperature °F | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
| -20 to 100 | 275 | 720 | 960 | 1440 | 2160 | 3600 | 6000 |
| 200 | 230 | 600 | 800 | 1200 | 1800 | 3000 | 5000 |
| 300 | 205 | 540 | 720 | 1080 | 1620 | 2700 | 4500 |
| 400 | 190 | 495 | 660 | 995 | 1490 | 2485 | 4140 |
| 500 | 170 | 465 | 620 | 930 | 1395 | 2330 | 3880 |
| 600 | 140 | 435 | 580 | 875 | 1310 | 2185 | 3640 |
| 650 | 125 | 430 | 575 | 860 | 1290 | 2150 | 3580 |
| 700 | 110 | 425 | 565 | 850 | 1275 | 2125 | 3540 |
| 750 | 95 | 415 | 555 | 830 | 1245 | 2075 | 3460 |
| 800 | 80 | 405 | 540 | 805 | 1210 | 2015 | 3360 |
| 850 | 65 | 395 | 530 | 790 | 1190 | 1980 | 3300 |
| 900 | 50 | 390 | 520 | 780 | 1165 | 1945 | 3240 |
| 950 | 35 | 380 | 510 | 765 | 1145 | 1910 | 3180 |
| 1000 | 20 | 320 | 430 | 640 | 965 | 1605 | 2675 |
| 1050 | 20 | 310 | 410 | 615 | 925 | 1545 | 2570 |
| 1100 | 20 | 255 | 345 | 515 | 770 | 1285 | 2145 |
| 1150 | 20 | 200 | 265 | 400 | 595 | 995 | 1655 |
| 1200 | 20 | 155 | 205 | 310 | 465 | 770 | 1285 |
| 1250 | 20 | 115 | 150 | 225 | 340 | 565 | 945 |
| 1300 | 20 | 85 | 115 | 170 | 255 | 430 | 715 |
| 1350 | 20 | 60 | 80 | 125 | 185 | 310 | 515 |
| 1400 | 20 | 50 | 65 | 95 | 145 | 240 | 400 |
| 1450 | 15 | 35 | 45 | 70 | 105 | 170 | 285 |
| 1500 | 10 | 25 | 35 | 55 | 80 | 135 | 230 |
Duplex Steel Flange Price List India
Check out the Duplex Steel Flange Price List.
| Duplex Steel Flange in India | DSS Flange Price in INR |
| Duplex Steel Flanges A182, 150, 300, 600 LBS, 900 LBS, 1500#, Class 2500 | Rs. 314 |
| Flanges A182 B16.5 | Rs. 5,961 |
| Duplex Steel Class 150 Flanges as per ASME B 16.5 | Rs. 3,111 |
| Pn16 Dn65 Dn80 DSS Flange | Rs. 421 |
| Duplex Steel Plate Flange | Rs. 3,210 |
| Duplex Stainless Steel Flange | Rs. 4,326 |
Super Duplex Steel Flanges Standard
For more information on flange standards, or to learn more about custom flanges for particular specifications, contact us today.
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API Flanges
Applications of Super Duplex Steel Flanges
Oil & Gas Industry
Power Generation Industry
Petrochemical Industry
Chemical Industry
Cement Industry
We Export Duplex Steel Flanges Across the Globe
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