Vishal Flanges stands out as a leading manufacturer and supplier of Super Duplex Steel Slip On Flanges, located in Delhi, India. They specialize in providing strong and corrosion-resistant flange solutions tailored for tough industrial settings. These flanges are designed to easily slip over pipes and are welded on both sides, guaranteeing a secure and leak-proof connection. Crafted from high-quality Super Duplex grades like UNS S32750 and UNS S32760, they boast remarkable strength, resistance to stress corrosion cracking, and durability even in highly corrosive environments. Vishal Flanges caters to various industries, including oil & gas, petrochemicals, desalination, marine, and offshore structures.
Super duplex steel slip-on flanges typically contain 25% chromium, 7% nickel, and 4% molybdenum for greater corrosion resistance, tensile strength (~800-950 MPa) and yield strength (~550-650 MPa) in mechanical properties, especially in high-chloride environments. There was, wherein superior toughness, fatigue resistance The main advantage was that high pitting, cracking and stress corrosion cracking resistance, especially under high pressure and temperature. This makes them appropriate for chemical, marine, and oil and gas applications where strength, durability, and toughness are required.
Super Duplex Steel Slip On Flanges are generally made from UNS S32750 or UNS S32760, featuring a well-balanced blend of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen, which together provide outstanding corrosion resistance and mechanical performance. These flanges deliver a tensile strength of 750–800 MPa and a yield strength of around 550 MPa, along with excellent resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Their unique dual-phase (austenitic–ferritic) microstructure ensures remarkable fatigue resistance and high structural reliability, even in aggressive and seawater-exposed environments.
| Specification | ASTM A182 / ASME SA182 |
|---|---|
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| 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, M Super Duplex Steel S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, s32760 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| 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 AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Presuper-duplex-steel machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, M Super Duplex Steel SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), M Super Duplex Steel SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, M Super Duplex Steel SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM A182 Ff52 Super Duplex Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Super Duplex Steel f55, s32750 , s32760 , f53, f52 |
Vishal Flanges, a leading supplier in Delhi, India, offers an extensive selection of Super Duplex Steel slip on flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Super Duplex Steel Slip-On Flanges are utilized widely in high-strength, corrosion-resistant, and durable industries. The flanges are best utilized in oil and gas, chemical processing, marine, and power generation sectors, particularly in offshore platforms, subsea systems, and high-pressure pipelines. They can withstand severe conditions, such as chloride-rich and acidic conditions, and thus find widespread use in fluid and gas transportation systems. Slip-on flanges are easy to install, providing safe connections in high-priority piping. The superior mechanical properties of Super Duplex Steel, including tensile strength and stress corrosion cracking resistance, ensure dependable performance under severe conditions.
| ASME/ANSI B 16.5 | Slip on Flange |
| PRESSURE CLASS | 150, 300, 400, s32760 , 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, s32760 , 900 |
| ASME/ANSI B 16.36 | Slip on Flange |
| PRESSURE CLASS | 300, 400, s32760 , 900, 1500, 2500 |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Hubbed Slip-On Hubbed Threaded |
| PRESSURE CLASS | 150, 300, 400, s32760 , 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Slip-On Boss 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 |
Yes, we offer custom sizes for Super Duplex Steel Slip on Flanges to meet specific project needs. Our team at Vishal Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@vishalflanges.co.in.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Super Duplex Steel Slip On Flanges find extensive use in highly corrosive and high-pressure applications where superior mechanical strength and longevity are crucial. They are perfect for offshore drilling rigs, oil and gas processing systems, marine pipelines, and chemical processing units, where exposure to saltwater, chlorides, and harsh chemicals is a regular occurrence. These flanges are also utilized in power generation, desalination plants, and pressure vessels, where performance under extreme stress is vital. Their straightforward installation and alignment make them a popular choice for moderate-pressure piping systems that demand high corrosion resistance.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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