My WordPress Blog
Here is a fresh, humanized version specifically for Super Duplex Steel F55 Flanges, with original wording while preserving the professional and technical intent of your reference.
Jai Hind Metal is a trusted manufacturer and supplier of Super Duplex Steel F55 Flanges, providing high-strength and corrosion-resistant piping components for applications where reliable performance is required under demanding service conditions. We understand that flange requirements can vary according to the piping system, equipment, operating environment, and project specifications. Factors such as flange size, dimensions, pressure rating, facing type, material requirements, and applicable manufacturing standards are considered while producing each order. Our Super Duplex Steel F55 Flanges are manufactured according to customer specifications, with attention to dimensional accuracy, surface condition, material quality, and overall workmanship. Quality checks are carried out during production, and finished flanges are inspected for dimensions, surface finish, appearance, and manufacturing quality before dispatch. Third-party inspection can also be arranged when additional verification or project-specific inspection is required. With organized inventory and suitable storage facilities, we can handle both regular supply requirements and larger project orders.
Careful handling and secure packaging are also an important part of our supply process. Super Duplex Steel F55 Flanges are packed with suitable protective materials to help reduce the risk of scratches, moisture, contamination, and physical damage during loading, storage, and transportation. Based on customer instructions, we can arrange customized packing, product identification, labeling, and additional protection for specific shipping or project requirements. Our dispatch team coordinates with established logistics providers to manage transportation and help ensure that orders are shipped safely and within the agreed schedule. By combining controlled manufacturing, systematic quality inspection, appropriate packaging, and clear communication, Jai Hind Metal aims to make the ordering process straightforward and provide dependable support to customers across different industries and markets.
Precisely manufactured metal products meeting demanding industrial standards.
Consistent quality, reliable performance, and strict inspection at every stage.
Available in customized sizes, grades, thicknesses, and specifications.
Efficient processing, secure packaging, and dependable delivery worldwide.
Here’s a unique, humanized version specifically for Super Duplex Steel F55 Flanges, with fresh wording and the same technical depth:
Super Duplex Steel F55 Flanges are manufactured from a high-alloy duplex stainless steel containing chromium, nickel, molybdenum, and nitrogen, providing a combination of high mechanical strength and strong resistance to corrosion in demanding service environments. These flanges are particularly suitable for piping systems exposed to seawater, chlorides, moisture, and other aggressive media and can be supplied in various types, sizes, pressure classes, dimensions, and facing configurations according to specific application requirements. The high chromium, molybdenum, and nitrogen content of F55 contributes to resistance against pitting, crevice corrosion, and chloride-induced stress corrosion cracking, while its duplex austenitic-ferritic structure provides higher strength than many conventional austenitic stainless steel grades. The balanced composition also supports good toughness and durability when the material is properly processed and heat treated. With its combination of strength, corrosion resistance, and dependable performance, Super Duplex Steel F55 Flanges are suitable for oil and gas, offshore and marine, chemical processing, petrochemical, desalination, water treatment, power generation, and other demanding industrial applications.
In the annealed condition, Super Duplex Steel F55 Flanges offer a combination of high mechanical strength and excellent resistance to general and localized corrosion, making them suitable for demanding industrial service environments. They are commonly used in oil and gas facilities, offshore platforms, marine installations, chemical processing plants, petrochemical units, desalination systems, power generation, and process piping where exposure to seawater, chlorides, and other corrosive media is expected. The chromium, molybdenum, and nitrogen present in F55 contribute to resistance against pitting, crevice corrosion, and chloride-induced stress corrosion cracking, while the duplex microstructure provides high strength and good resistance to demanding mechanical and pressure conditions. The material also offers useful toughness and durability when properly manufactured and heat treated according to applicable requirements. With its combination of corrosion resistance, strength, and dependable service performance, Super Duplex Steel F55 Flanges are well suited for demanding connections between pipes, valves, pumps, pressure vessels, and other industrial equipment.
Super Duplex Steel F55 Flanges are manufactured from an iron-based super duplex stainless steel alloy containing chromium, nickel, molybdenum, and nitrogen, with a balanced austenitic-ferritic microstructure. Chromium provides strong resistance to general corrosion and oxidation, while the higher molybdenum and nitrogen content helps improve resistance to localized corrosion, including pitting and crevice corrosion, particularly in chloride-rich environments. Nickel contributes to the stability of the austenitic phase and supports good toughness, while the duplex structure provides high mechanical strength and resistance to chloride-induced stress corrosion cracking. This combination of alloying elements gives F55 Flanges a balanced set of strength, toughness, and corrosion-resistant properties, making them suitable for demanding applications involving seawater, chlorides, and other aggressive industrial media.
| A182 Gr F55 Flange Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| Super Duplex steel F55 Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Super Duplex Grade F55 Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| ASTM A182 F55 Super Duplex Flanges Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| ASME SA 182 F55 Flange | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| ASME SA182 F55 Super Duplex steel Flange UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| A182 F55 Flange EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Most common types of ASTM A182 F55 Super Duplex Flange | Forged / Threaded / Screwed / Plate |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| ASME SA182M Super Duplex F55 Flange Production technique | Forged, Heat treated and machined |
| A182 Grade F55 Flange 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 AS, ANSI, BS, DIN and JIS |
| ASME A182 Super Duplex F55 Flange Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| ASTM A182 Ferritic / Austenitic F55 Flange Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Super Duplex F55 Flange Origin | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of Super Duplex steel ASTM A182 F55 Flange | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. B.S: BS4504 , BS3293, BS1560, BS10 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| ASME SA182M Super Duplex F55 Flange Uses & application | Bitumen upgraders. Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids. |
| Super Duplex F55 EN 1092-1 Flange Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi & Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| ASME/ANSI B 16.5 | Blind Flange, High Hub Blind Flange, Slip on Flange, Welding Neck Flange, Socket Weld Flange, Ring Type Joint Flange, Lap Joint Flange, Threaded Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Slip on Flange, Threaded Flange, Welding Neck Flange, |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange, Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
| Products | Size | |
| ASTM A182 Super Duplex F55 Slip-On Flanges | ASTM A182 Super Duplex F55 Threaded Flanges | Sizes 1/8″ – 36″ Raised Face or Flat Face |
| ASTM A182 Super Duplex F55 Weld Neck Flanges | ASTM A182 Super Duplex F55 Socket Weld Flanges | |
| ASTM A182 Super Duplex F55 Blind Flanges | ASTM A182 Super Duplex F55 Reducing Flanges | |
| ASTM A182 Super Duplex F55 Lap Joint Flanges | ASTM A182 Super Duplex F55 Plate Flanges | |
| ASTM A182 Super Duplex F55 Orifice Flanges | ASTM A182 Super Duplex F55 Forged Flanges | |
| ASTM A182 Super Duplex F55 Ring Type Joint Flanges | ASTM A182 Super Duplex F55 Square Flanges | |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex F55 | 1.4410 | S32760 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Super Duplex F55 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24 – 26 | 3 – 4 | 6 – 8 | 0.20 – 0.30 | 57.61 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| American Steel Flanges Standard | |
| Standard Code | Standard Name |
| ANSI ASME SA-182 | Forged Flanges |
| ANSI ASME B16.5 | Slip on flange, Welding neck flange, Blind flange, Threaded flange, Lap joint flange, RTJ flange |
| ASME – B 16.47 | Welding neck flange, Blind flange |
| ASME – B 16.36 | Welding neck flange Slip on flange |
| German Steel Flanges Standard | |
| DIN 2527 | Steel Blind Flanges, BLRF |
| DIN 2573 / 2576 | Flat Flange for Welding (Slip On) |
| DIN 2673 | Loose Flanges and Rings for Welding (Slip On Flanges and Plain Collars) |
| DIN 2641 / 2642 | Lapped / Loose (Lap Joint) Flanges Plain Collars |
| DIN 28115 | Long Neck Welding Flanges |
| DIN PN10, PN16 | Super Duplex F55 PN10 Flanges, F55 Super Duplex DIN PN 10 Flanges, F55 Super Duplex PN16 Flange |
| DIN PN20, PN25 | Super Duplex F55 PN20 Flanges, F55 Super Duplex steel DIN PN 25 Flanges |
| DIN PN40, PN50 | Super Duplex F55 PN40 Flanges, F55 Super Duplex DIN PN 50 Flanges |
| Japanese Steel Flanges Standard | |
| JIS F55220 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS B2291 | Slipon plate flange (SOP), Slipon Hub (SOH), Socket Welding flange (SW), Welding neck flange (WN), Lapjoint (LJ), Threaded flange (TR)/ Itegral flange (IT) Blank flange (BL) |
| JIS 5K, 10K | Super Duplex F55 5K SORF Flanges, F55 Super Duplex 10K SOFF Flanges |
| JIS 16K, 20K | Super Duplex F55 16K Blind Flanges, F55 Super Duplex 20K BLRF Flanges |
| JIS 30K, 40K | Super Duplex F55 30K Slip on Flanges, F55 Super Duplex 40K Blind Flanges |
| Italian Flanges Standard | |
| UNI FLANGES | Plan flanges (2276, 2277, 2278, 6083, 6084) Welding neck (2280, 2281, 2282, 2283, 2284, 2285, 2286) Lapped flanges (6088, 6089, 6090, 2999, 2300) Blind flanges (6091, 6092, 6093, 6094, 6095, 6096, 6097) threaded flanges (2253, 2254) |
| British Standard Pipe Flanges Standard | |
| BS 10 Table D | Super Duplex F55 BS 10 Table D Flanges, F55 Table D Pipe Flange |
| BS 10 Table E | Super Duplex F55 BS 10 Table E Flanges, F55 Table E Pipe Flange |
| BS 10 Table F | Ferritic / Austenitic F55 BS 10 Table E Flanges, F55 Super Duplex steel Table E Flanges |
| BS 10 Table H | Super Duplex F55 BS 10 Table E Flanges, Super Duplex steel F55 Table E Pipe Flanges |
| Flange Schedule/Class | Pipe Size – Pipe Flanges | Flange Connection Type | Flange Material | Max. Pressure |
|---|---|---|---|---|
| ASME B16.5 Class 150 | 1/2″ | FNPT | Super Duplex F55 Flanges | 150 psi |
| ASME B16.5 Class 150 | 1/2″ | Socket Weld | Super Duplex steel F55 Flanges | 275 psi |
| ASME B16.5 Class 150 | 1/2″ | Welded | Super Duplex F55 Flanges | 150 psi |
| ASME B16.5 Class 150 | 3/4″ | FNPT | Super Duplex steel F55 Flanges | 150 psi |
| ASME B16.5 Class 150 | 3/4″ | Socket Weld | Super Duplex F55 Flanges | 275 psi |
| ASME B16.5 Class 150 | 1-1/4″ | Socket Weld | Super Duplex steel F55 Flanges | 275 psi |
| ASME B16.5 Class 150 | 1-1/2″ | Socket Weld | Super Duplex F55 Flanges | 275 psi |
| ASME B16.5 Class 150 | 2″ | FNPT | Super Duplex steel F55 Flanges | 150 psi |
| ASME B16.5 Class 150 | 2″ | Socket Weld | Super Duplex F55 Flanges | 275 psi |
| ASME B16.5 Class 150 | 2-1/2″ | Socket Weld | Super Duplex steel F55 Flanges | 275 psi |
| ASME B16.5 Class 150 | 3″ | Socket Weld | Super Duplex F55 Flanges | 275 psi |
| ASME B16.5 Class 150 | 4″ | FNPT | Super Duplex steel F55 Flanges | 150 psi |
| ASME B16.5 Class 150 | 4″ | Socket Weld | Super Duplex F55 Flanges | 275 psi |
| ASME B16.5 Class 300 | 1/2″ | Slip On | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 1/2″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 1″ | Slip On | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 1″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/4″ | FNPT | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/4″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/2″ | Slip On | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 1-1/2″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 2″ | Slip On | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 2″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 2-1/2″ | Slip On | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 2-1/2″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 3″ | Slip On | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 3″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 4″ | Slip On | Super Duplex steel F55 Flanges | 720 psi |
| ASME B16.5 Class 300 | 4″ | Slip On | Super Duplex F55 Flanges | 720 psi |
| F55 Super Duplex Blind Flange | Super Duplex F55 Flat Flange Supplier in India |
| Super Duplex steel UNS S32760 Flanges Manufacturer | Super Duplex F55 Slip on Flanges |
| Super Duplex steel F55 Weld Neck Flanges | Super Duplex F55 Socket weld Flanges Dealer in India |
| Super Duplex F55 Long Weld Neck Flanges Stockist | ASTM A182 F55 Super Duplex Threaded Flanges |
| Super Duplex steel F55 Flanges Supplier in India | Super Duplex EN 1092-1 Plate Flanges |
| Super Duplex steel F55 Forged Flanges Wholesaler | Super Duplex steel UNS S32760 Lap Joint Flanges Supplier |
| Super Duplex F55 BLRF Flange Manufacturer | Super Duplex steel F55 Raised Face Flanges |
| F55 Super Duplex Nipoflange | Super Duplex steel Super Duplex F55 Reducing Flanges |
| ANSI B16.5 Super Duplex F55 Pipe Flange | Super Duplex F55 Ring Type Joint Flanges |
| 1.4410 Super Duplex steel Orifice Flange | Super Duplex F55 Spectacle Blind Flanges Stockists |
| Super Duplex steel F55 PN 10 Flange | F55 PN 16 Super Duplex Flanges Stockists |
| Super Duplex steel F55 DIN Flanges | Super Duplex 1.4410 Super Duplex SORF Flanges Exporter |
| ASME B16.5 Super Duplex F55 Flanges | ASTM A182 F55 Tongue & Groove Flanges |
| Super Duplex F55 Male & Female Flanges | Super Duplex steel F55 RTJF Flanges |
| ASTM A182 Super Duplex F55 Screwed Flanges | ASME SA182 F55 Expander Flanges |
| F55 Super Duplex Spades Ring Spacers Flanges | ASME SA182 Super Duplex F55 Flat Face Flange |
| F55 Super Duplex 5K SOFF Flanges | Super Duplex steel F55 10K Flanges |
| Super Duplex 1.4410 Puddle Flanges Exporter | Super Duplex F55 Socket Welding Flange |
| Grade F55 Super Duplex steel Weldo Flanges | F55 Super Duplex Nipo Flanges |
| Super Duplex F55 Long Weld Neck Flanges | ASTM A182 F55 Flanges Facing Type & Finish |
| BS Standard Table E Flange | British Standard Table D Pipe Flanges |
| F55 Long Welding Neck Flange | Grade F55 Super Duplex Raised Face Flange |
| ASME SA182 Super Duplex steel 30 Spectacle Blind Flanges | F55 Super Duplex BLRF Flanges Supplier |
| Super Duplex steel 30 High Hub Blinds Flanges | F55 Flanges Facing Type & Finish |
| F55 Super Duplex Forging Facing Flanges Dealer | Super Duplex F55 Weld Neck Flanges A / B Stockist |
| Super Duplex steel F55 Plate Flange Supplier in Mumbai | Super Duplex steel F55 Loose Flanges Manufacturer in India |
| Super Duplex 1.4410 Flanges Dimensions | Super Duplex steel F55 Spades Ring Spacers Flanges |
| Wrought Super Duplex F55 Flanges | ASTM A182 F55 Expander Flanges at Best Price |
| Super Duplex F55 Reducing Flanges Supplier | Suppliers of F55 Super Duplex steel Welding Neck Flange |
Super Duplex Steel F55 Flanges are available in forged and plate construction, depending on the flange type, size, design, application, and customer requirements. These flanges are manufactured according to recognized material and dimensional standards to support accurate fitment and reliable performance in industrial piping systems. Forged F55 Flanges are generally supplied in accordance with ASTM A182 material specifications, while dimensional requirements are commonly followed as per ASME B16.5 for standard pipe flanges and flanged fittings. For larger-diameter requirements, suitable dimensions may be supplied according to ASME B16.47. Following established standards helps maintain consistent material quality, dimensional accuracy, pressure compatibility, and reliable connections with associated piping and equipment.






We supply Super Duplex Steel F55 Flanges according to recognized international standards such as DIN, ISO, JIS, and ANSI, supporting the varied requirements of industrial piping and equipment systems. Our flanges can be supplied in different sizes, dimensions, pressure ratings, facing options, and configurations to suit specific installation and operating conditions. At Jai Hind Metal, we focus on maintaining consistent material quality, dimensional accuracy, careful workmanship, and dependable service performance while supplying F55 Flanges according to applicable industry standards and customer specifications. We can also accommodate project-specific drawings, inspection requirements, markings, and customized specifications where required. For product details, technical specifications, or customized requirements, email us at info@jaihindmetal.com.
Super Duplex Steel F55 Flanges are used to establish secure and dependable connections between pipes, valves, pumps, pressure vessels, and other equipment in industrial piping systems. Their combination of high mechanical strength and resistance to general and localized corrosion makes them suitable for challenging service environments involving seawater, chlorides, moisture, and aggressive process media. These flanges are commonly used in oil and gas, offshore and marine installations, chemical processing, petrochemical plants, desalination, water treatment, power generation, pulp and paper, and other process industries, where reliable piping connections and long-term material performance are important. Their resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking makes Super Duplex Steel F55 Flanges suitable for demanding piping and equipment connections operating under harsh conditions.
Looking for high-quality industrial products manufactured to your specific requirements? Contact our team for product details, customized solutions, pricing, and timely delivery.
Email: info@jaihindmetal.com
Our high-performance metal products are engineered to meet the demanding requirements of industries operating in challenging environments, including extreme temperatures, pressure and corrosive conditions.
Our corrosion-resistant metal products are widely used in marine environments where exposure to seawater, salt spray and harsh atmospheric conditions demands exceptional durability and reliability.
Our nickel alloys and high-performance metal products are used throughout the oil and gas industry for demanding applications involving high pressure, corrosive fluids, sour gas and extreme operating conditions.
Our corrosion-resistant alloys provide dependable performance in chemical processing equipment exposed to aggressive chemicals, high temperatures and challenging process conditions.
High-strength nickel alloys and specialty metals are selected for aerospace applications where lightweight performance, strength and resistance to extreme temperatures are essential.
Our specialty metal products support power generation equipment operating under high temperatures, pressure and corrosive conditions, delivering reliable long-term performance.
Corrosion-resistant metals are ideal for salt production environments where continuous exposure to concentrated salt and moisture can severely affect conventional materials.
Website security powered by MilesWeb