Veer Flanges has built a solid reputation as a leading manufacturer and supplier of Super Duplex Steel Slip On Flanges right here in Kolkata, India. We pride ourselves on delivering robust, high-performance flanges that are perfect for tackling highly corrosive and high-pressure environments. Our Slip On Flanges are made with cutting-edge technology and top-quality Super Duplex Steel, ensuring they’re both dimensionally accurate and mechanically reliable. These flanges are favored for their straightforward installation, easy alignment, and impressive strength. We cater to a diverse range of industries, including offshore, petrochemical, desalination, and power generation, offering customized solutions in various sizes, pressure ratings, and specifications to meet global industrial standards.
Super Duplex Steel Slip On Flanges are made up of about 25% chromium, 7% nickel, 3–4% molybdenum, and 0.2–0.3% nitrogen, which gives them exceptional resistance to pitting and crevice corrosion. The dual-phase (austenitic-ferritic) microstructure of the material enhances its weldability, impact strength, and stress corrosion resistance. On the mechanical side, these flanges boast a tensile strength of ≥800 MPa, yield strength of ≥550 MPa, and an elongation of 25%. Their impressive strength-to-weight ratio and outstanding resistance to chloride environments make them perfect for demanding structural and fluid-handling applications.
| 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 |
Veer Flanges, a leading supplier in Kolkata, 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 commonly used in situations where durability, ease of assembly, and corrosion resistance are crucial. They’re particularly well-suited for offshore oil platforms, seawater desalination plants, heat exchangers, chemical processing units, and power generation systems. Thanks to their Slip On design, installation is a breeze—just slide them over the pipe and weld both inside and outside, making them ideal for low-pressure, non-critical piping systems. Plus, their resistance to chloride-induced stress corrosion cracking ensures they remain reliable in marine and coastal environments.
| 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 Veer Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@veerflanges.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.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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