Home > Duplex Steel Flanges
Yousef Metals is a reputable manufacturer and supplier of duplex steel flanges based in Doha, Qatar. They cater to various industries, including oil & gas, petrochemical, marine, power generation, and water treatment. The company prides itself on offering top-notch flanges that are built to deliver exceptional strength, corrosion resistance, and a long lifespan, even in the toughest conditions. By combining the best features of austenitic and ferritic stainless steels, duplex steel provides outstanding mechanical performance and is highly resistant to stress corrosion cracking. With state-of-the-art manufacturing facilities, rigorous quality control, and adherence to international standards, Yousef Metals ensures that their flanges are both durable and precisely engineered for critical industrial applications.
The duplex steel flanges from Yousef Metals are primarily made up of chromium, nickel, molybdenum, and nitrogen. This well-balanced chemical makeup grants them remarkable resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. The material boasts high tensile and yield strength, impressive toughness, and excellent fatigue resistance. Thanks to its dual-phase microstructure, these flanges can handle heavy loads, maintain dimensional stability, and perform reliably under high-pressure and high-temperature situations.
| 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, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 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, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS 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 The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
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 Duplex Steel Flanges tailored to meet your specific operational and project requirements.
Yousef Metals, one of the leading suppliers of Duplex Steel 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 Duplex Steel 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.
You can find duplex steel flanges from Yousef Metals in a variety of applications, such as offshore oil and gas platforms, chemical processing plants, desalination units, marine systems, and water treatment facilities. They are also essential in heat exchangers, pressure vessels, and industrial piping systems where strength and corrosion resistance are paramount. Their ability to endure harsh, chloride-rich environments guarantees a long service life, safe operation, and dependable performance in both onshore and offshore settings.
