Home > Super Duplex Steel Weldneck Flanges
Yousef Metals is a reliable manufacturer and supplier of Super Duplex Steel Weld Neck Flanges based in Doha, Qatar. We specialize in providing high-performance flange solutions designed to handle the toughest service conditions. Our super duplex weld neck flanges are engineered to endure extreme pressure, temperature, and corrosive environments, all while adhering to international standards. The weld neck design ensures excellent stress distribution and robust pipe connections, guaranteeing long-lasting reliability. We cater to essential industries such as oil and gas, offshore operations, petrochemical, desalination, and power generation, delivering precision-engineered products that prioritize safety, durability, and efficient pipeline performance.
Super duplex steel is a cutting-edge alloy that boasts high levels of chromium, molybdenum, nickel, and nitrogen, featuring a well-balanced austenitic-ferritic microstructure. This unique composition provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Super duplex weld neck flanges are known for their high tensile and yield strength, impressive toughness, and outstanding fatigue resistance. These mechanical properties ensure dependable performance even under high pressure, elevated temperatures, and harsh chemical 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, MSuper Duplex Steel S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, S32750 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 | Press 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, MSuper Duplex Steel SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSuper Duplex Steel SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSuper 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 Super Duplex Steel S32760 Super Duplex Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Super Duplex Steel S32750, S32950, S32760, F52, F53, F55, F52 |
| ASME/ANSI B 16.5 | Welding Neck Flange |
| PRESSURE CLASS | 150, 300, 400, S32750, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, S32750, 900 |
| ASME/ANSI B 16.36 | Welding Neck Flange |
| PRESSURE CLASS | 300, 400, S32750, 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, S32750, 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Blind Flanges from Yousef Metals ensures unmatched quality and long-lasting performance. These Flanges are engineered for superior corrosion resistance, strength, and precision, making them ideal for a wide range of industrial applications. With a strong focus on customer satisfaction, timely delivery, and technical expertise. Yousef Metals provides reliable and high-performance Super Duplex Steel Weldneck Flanges tailored to meet your specific operational and project requirements.
Yousef Metals, one of the leading suppliers of Super Duplex Steel Weldneck Flanges in Doha, Qatar, offers a wide selection of high-quality flanges suitable for various industrial applications. With an extensive inventory, reliable sourcing, and a strong commitment to quality, service, and timely delivery, Yousef Metals has established itself as a trusted name for premium stainless steel products across the Qatar.
Yes, we provide Super Duplex Steel Weldneck Flanges to match your exact project requirements. At Yousef Metals, our team is dedicated to delivering tailored flanges solutions that ensure precision and reliability. For more information or personalized assistance, reach out to us at sales@yousefmetals.com.
Super Duplex Steel Weld Neck Flanges are extensively utilized in industries that demand maximum strength and corrosion resistance. You’ll find them in offshore oil and gas platforms, subsea pipelines, chemical processing plants, and desalination facilities. They’re also essential in marine systems, power generation units, and water treatment plants where exposure to chlorides is significant. In Qatar’s energy and infrastructure sectors, these flanges are the go-to choice for critical piping systems that require leak-proof connections, a long service life, and reliable performance in challenging operating conditions.
