Home > Nickel Alloy Weldneck Flanges
Yousef Metals is a trusted manufacturer and supplier based in Doha, Qatar, offering high-quality Nickel Alloy Weldneck Flanges for demanding industrial applications. With a strong focus on precision engineering, durability, and compliance with international standards, the company provides flanges that ensure long-term reliability in corrosive, high-temperature, and high-pressure environments. Supported by advanced manufacturing facilities, skilled professionals, and strict quality control procedures, Yousef Metals serves oil and gas, chemical processing, petrochemical, power generation, and marine industries across Qatar and the wider GCC region.
Nickel Alloy Weldneck Flanges are made from high-purity nickel or nickel-based alloys, designed to offer exceptional corrosion resistance, thermal stability, and mechanical strength. Their weldneck design features a tapered hub that provides a smooth transition from flange to pipe, reducing stress concentration and enhancing structural integrity. Mechanically, these flanges provide excellent tensile strength, toughness, and dimensional stability, making them suitable for high-pressure, high-temperature, and aggressive chemical environments.
| Specification | ASTM B564 / ASME SB564 |
|---|---|
| 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, MAlloy S44, ISO70051, JISb2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 200 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, MAlloy SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MAlloy SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MAlloy 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 B564 Nickel Alloy 201 Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS b2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Nickel Alloy 200, 201 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
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 Nickel Alloy Weldneck Flanges tailored to meet your specific operational and project requirements.
Yousef Metals, one of the leading suppliers of Nickel Alloy 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 Nickel Alloy 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.
Nickel Alloy Weldneck Flanges are widely used in critical piping systems where corrosion resistance, strength, and leak-proof performance are essential. Common applications include chemical and petrochemical processing, oil and gas pipelines, heat exchangers, reactors, and marine installations. They are also used in power generation, desalination plants, and industrial systems handling acids, alkalis, and other corrosive media. Their superior performance, durability, and reliability make them ideal for demanding industrial and commercial applications.
