As an ISO 9001:2008 certified company Super Duplex Flanges Stockist, and Exporter in Mumbai, India, we take pride in our years of expertise in the metal market. Our commitment to quality is evident in our compliance with international and national standards, exemplified by the meticulously designed ASME B16.5 Duplex S31803 Flanges. We hold a prominent position among Super Duplex Flanges Manufacturer in Mumbai, India, offering an extensive range, including ANSI B16.5 Super Duplex Steel S32750 Plate Flanges. Our Super Duplex Flanges, crafted using optimal-grade materials and cutting-edge technology, exemplify excellence. These ANSI B16.5 Super Duplex Steel S32750 Plate Flanges come in various thicknesses and diameters, catering to diverse piping applications. Upholding the highest standards, we also manufacture Alloy Steel Flanges and more, solidifying our position as a leading manufacturer and supplier of ANSI B16.5 Super Duplex Steel S32750 Plate Flanges in India. Trust us for impeccable Super Duplex Steel Flanges, meticulously crafted to meet national and international standards, reinforcing our commitment to quality and precision in every product we deliver.
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What Is Super Duplex Flanges?
Super Duplex Blind Flanges Werkstoff Nr 1.4410 are cost-effective and corrosion-resistant thanks to their dual-phase microstructure and high tensile strength. This alloy, exemplified in Super Duplex UNS S32750 Flanges, proves highly effective in environments with elevated chloride levels. Similar to their counterparts, these super duplex alloys offer advantages such as lower alloying costs and increased tensile and yield strength compared to similar ferritic and austenitic grades. This ensures robust resistance to equipment corrosion in environments containing chlorine. This not only offers buyers a welcomed cost advantage but also allows for the acquisition of smaller or thinner cross-sectioned Super Duplex Flanges without compromising on quality or performance.
Super Duplex Flanges Specifications
Specifications |
Super Duplex Flanges |
ASME B16.5 Super Duplex Flanges Size Range |
1/2” NB TO 24” NB |
Standards |
ANSI, JIS, DIN, EN1092-1, UNI, BS4504, SABS1123, AS2129, GOST-12820 |
Dimension |
ANSI B 16.5 Flanges, B16.47 Flanges, SERIES A Flanges, SERIES B Flanges, EN1092-1 Flanges, BS 1560. BS 10 Flanges, IS 6392, B-2.1 NPT Flanges, API, DIN Flanges, JIS. MSS SP 44 Flanges. |
Class |
Class 150#, Class 300#, Class 600#, Class 900#, Class 1500# & Class 2500# | PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250 etc. |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Stainless Steel Pipe Flanges Test Certificates | EN 10204/3.1B
Raw Materials Certificate 100% Radiography Test Report Third-Party Inspection Report, etc |
| Most Common Types of Super Duplex Flanges | Blind Flanges |
| Production Technique | Forged, Heat-treated, and machined |
| Connect Type Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special Design | As per your drawing requirements
AS, ANSI, BS, DIN, and JIS 1/2” NB TO 24” NB Equal and Reducing Configurations Super Duplex Flanges Threaded Flanges, Socket weld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI transonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine, etc |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Key Markets and Industries for Super Duplex Flanges | Bitumen upgraders.
Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
| Export To | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Super Duplex Flanges | To Connect Pipe & Tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding, etc. |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Types of Super Duplex Steel Flanges
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Super Duplex UNS S32750 Forged Flanges
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Super Duplex UNS S32750 Slip-on Raised Face Flanges (SORF)
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Super Duplex UNS S32750 Lap Joint Flanges
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Super Duplex UNS S32750 Long Weld Neck Flanges
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Super Duplex UNS S32750 Orifice Flanges
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Super Duplex UNS S32750 Slip On Flanges
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Super Duplex UNS S32750 Socket Weld Flanges
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Super Duplex UNS S32750 Spectacle Blind Flanges
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Super Duplex UNS S32750 Threaded Flanges
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Super Duplex UNS S32750 Weld Neck Flanges
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Super Duplex UNS S32750 Blind Raised Face Flanges (BLRF)
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Super Duplex UNS S32750 Weld Neck Raised Face Flanges (WNRF)
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Super Duplex UNS S32750 Socket Weld Raised Face Flanges
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Super Duplex UNS S32750 Screwed/Threaded Flanges
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Super Duplex UNS S32750 Spectacle Blind Flanges
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Super Duplex UNS S32750 Reducing Flanges
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Super Duplex UNS S32750 Ring Type Joint Flanges
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Super Duplex UNS S32750 Tongue & Groove Flanges
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Super Duplex UNS S32750 Plate Flanges
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Super Duplex UNS S32750 Flat Face Flanges
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ANSI / ASME / ASA B16.5 Flanges
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DIN Flanges
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BS 10 Flanges
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BS 4504 Flanges
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JIS STD Flanges
ASME SA182 Super Duplex Steel Flanges Equivalent Grades
| Standard | Werkstoff Nr. | UNS |
| Super Duplex S2507 | 1.4410 | S32750/S32950 |
Chemical Composition of Super Duplex Steel Pipe Flanges
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
Mechanical Properties of ASTM A182 Super Duplex Steel Plate Flanges
| Grades | Density (g/cm 3) | Density
(lb/in 3) |
Melting Point (°C) |
Melting Points
(°F) |
| S32750 /S32760 | 7.8 | 0.281 | 1350 | 2460 |
Super Duplex UNS S32750 Flanges Dimension
| CLASS | NPS | Super Duplex SORF Flange | Super Duplex NPT Flange | Super Duplex SW Flange | Super Duplex Loose Flange | Super Duplex BLRF Flange | Super Duplex WN Flange |
| 150# | ½ | 1 | 1 | 2 | 1 | 2 | 2 |
| ¾ | 2 | 2 | 2 | 2 | 2 | 2 | |
| 1 | 2 | 2 | 2 | 2 | 2 | 3 | |
| 1¼ | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1½ | 3 | 3 | 3 | 3 | 4 | 4 | |
| 2 | 5 | 5 | 5 | 5 | 5 | 6 | |
| 2½ | 8 | 8 | 8 | 8 | 7 | 10 | |
| 3 | 9 | 9 | 9 | 9 | 9 | 11.5 | |
| 3½ | 11 | 12 | 11 | 11 | 13 | 12 | |
| 4 | 13 | 13 | 13 | 13 | 17 | 16.5 | |
| 5 | 15 | 15 | 15 | 15 | 20 | 21 | |
| 6 | 19 | 19 | 19 | 19 | 27 | 26 | |
| 8 | 30 | 30 | 30 | 30 | 47 | 42 | |
| 10 | 43 | 43 | 43 | 43 | 70 | 54 | |
| 12 | 64 | 64 | 64 | 64 | 123 | 88 | |
| 14 | 90 | 90 | 90 | 105 | 140 | 114 | |
| 16 | 106 | 98 | 98 | 140 | 180 | 140 | |
| 18 | 130 | 130 | 130 | 160 | 220 | 165 | |
| 20 | 165 | 165 | 165 | 195 | 285 | 197 | |
| 22 | 185 | 185 | 185 | 245 | 355 | 225 | |
| 24 | 220 | 220 | 220 | 275 | 430 | 268 | |
| CLASS | NPS | SORF | NPT Flanges | SW | Loose | BLRF | WN |
| 300# | ½ | 2 | 2 | 3 | 2 | 2 | 2 |
| ¾ | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1 | 3 | 3 | 3 | 3 | 4 | 4 | |
| 1¼ | 4.5 | 4.5 | 4 | 4.5 | 6 | 5 | |
| 1½ | 6.5 | 6.5 | 6 | 6.5 | 7 | 7 | |
| 2 | 7 | 7 | 7 | 7 | 8 | 9 | |
| 2½ | 10 | 10 | 10 | 10 | 12 | 12 | |
| 3 | 13 | 14 | 13 | 14.5 | 16 | 18 | |
| 3½ | 17 | 17 | 17 | 17 | 21 | 20 | |
| 4 | 23.5 | 24 | 22 | 24 | 28 | 26.5 | |
| 5 | 29 | 31 | 28 | 28 | 37 | 36 | |
| 6 | 39 | 39 | 39 | 39 | 50 | 45 | |
| 8 | 58 | 58 | 58 | 58 | 81 | 69 | |
| 10 | 81 | 81 | 81 | 91 | 124 | 100 | |
| 12 | 115 | 115 | 115 | 140 | 185 | 142 | |
| 14 | 165 | 165 | 165 | 190 | 250 | 206 | |
| 16 | 210 | 220 | 190 | 234 | 315 | 250 | |
| 18 | 253 | 280 | 250 | 305 | 414 | 320 | |
| 20 | 315 | 325 | 315 | 375 | 515 | 400 | |
| 22 | 370 | 370 | 370 | 435 | 640 | 465 | |
| 24 | 490 | 490 | 475 | 550 | 800 | 580 | |
| CLASS | NPS | SORF | NPT Flanges | SW | Loose | BLRF | WN |
| 600# | ½ | 2 | 2 | 2 | 2 | 3 | 3 |
| ¾ | 3 | 3 | 3 | 3 | 4 | 4 | |
| 1 | 4 | 4 | 4 | 4 | 4 | 4 | |
| 1¼ | 5 | 5 | 5 | 5 | 6 | 6 | |
| 1½ | 7 | 7 | 7 | 7 | 8 | 8 | |
| 2 | 9 | 9 | 9 | 9 | 10 | 12 | |
| 2½ | 13 | 13 | 13 | 12 | 15 | 18 | |
| 3 | 16 | 16 | 16 | 15 | 20 | 23 | |
| 3½ | 21 | 21 | 21 | 20 | 29 | 26 | |
| 4 | 37 | 37 | 37 | 36 | 41 | 42 | |
| 5 | 63 | 63 | 63 | 63 | 68 | 68 | |
| 6 | 80 | 80 | 80 | 78 | 86 | 81 | |
| 8 | 115 | 15 | 15 | 112 | 140 | 120 | |
| 10 | 177 | 177 | 177 | 195 | 231 | 190 | |
| 12 | 215 | 215 | 215 | 240 | 295 | 226 | |
| 14 | 259 | 259 | 259 | 290 | 378 | 347 | |
| 16 | 366 | 366 | 366 | 400 | 527 | 481 | |
| 18 | 476 | 476 | 476 | 469 | 665 | 555 | |
| 20 | 612 | 612 | 612 | 604 | 855 | 690 | |
| 22 | 590 | 590 | 590 | 670 | 1000 | 720 | |
| 24 | 876 | 876 | 876 | 866 | 1250 | 977 |
Super Duplex Steel Threaded Flanges Weight
| Standard | Class | Dia. | Bolt Circle Dia. | No. of Bolts | Bolt Size | Dia. of Bolt Hole |
| AS4087 Flange | PN14 Flange | 95 | 67 | 4 | M12 | 14 |
| AS 2129 Flange | Table C Flange | 95 | 67 | 4 | 13 | 14 |
| Table D Flange | 95 | 67 | 4 | 13 | 14 | |
| Table E Flange | 95 | 67 | 4 | 13 | 14 | |
| Table F Flange | 95 | 67 | 4 | 13 | 14 | |
| Table H Flange | 114 | 83 | 4 | 16 | 17 | |
| Table J Flange | 114 | 83 | 4 | 16 | 17 | |
| ANSI B16.5 Flange | ANSI 150 Flange | 89 | 60 | 4 | 13 | 16 |
| ANSI 300 Flange | 95 | 67 | 4 | 13 | 16 | |
| ANSI 600 Flange | 95 | 67 | 4 | 13 | 16 | |
| ANSI 900 Flange | 121 | 83 | 4 | 19 | 22 | |
| ANSI 1500 Flange | 121 | 83 | 4 | 19 | 22 | |
| ISO 7005 (DIN) Flange | PN6 Flange | 80 | 55 | 4 | M10 | 11 |
| PN10 Flange | 95 | 65 | 4 | M12 | 14 | |
| PN16 Flange | 95 | 65 | 4 | M12 | 14 | |
| PN20 Flange | 90 | 60.5 | 4 | M14 | 16 | |
| PN25 Flange | 95 | 65 | 4 | M12 | 14 | |
| PN40 Flange | 95 | 65 | 4 | M12 | 14 |
Super Duplex Stainless Steel UNS S32750 Flange Pressure Rating
| ASME | Super Duplex Flanges Pressure Rating | ||||||
| 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 |
Applications of Super Duplex Flanges
Super Duplex flanges are widely used in various industries due to their exceptional properties and corrosion resistance. Here are some key applications & uses of Super Duplex flanges:
- Oil and Gas Industry
- Chemical Processing Plants
- Petrochemical Industry
- Marine and Shipbuilding
- Desalination Plants
- Power generation
- Paper and Pulp Industry
- Aerospace Applications
- Water Treatment Plants
- Construction and Infrastructure
- Other Applications
Prior to exporting our products, we prioritize an exhaustive quality assurance process to ensure the excellence of our offerings. This comprehensive approach involves a series of tests, including hardness, mechanical, chemical, positive material, and IGC (Intergranular Corrosion) assessments. As a final step, third-party inspections are conducted, aligning with customer-specific requests for any specialized testing to meet their unique requirements. Our dedicated super duplex flanges suppliers play a crucial role in upholding these stringent quality standards. They conduct a thorough quality inspection before dispatching orders, ensuring that the products are in optimal condition upon delivery to the customer. Only after confirming the flawless nature of the goods do our suppliers proceed to ship them worldwide.
Our commitment to quality is further underscored by the use of cutting-edge technology in the expert manufacturing of our products. This guarantees that each item meets the highest standards, and absolutely no substandard products are produced. We take pride in delivering excellence globally and maintaining a reputation for precision, reliability, and technological advancement in every product we export.
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