Yousef Steel, a reputable manufacturer and supplier located in Riyadh, Saudi Arabia, specializes in high-quality **Alloy Steel Flanges** tailored for tough applications in **oil & gas, petrochemical, power generation, shipbuilding, and industrial piping systems**. These flanges are expertly crafted to endure **high pressure, extreme temperatures, and corrosive environments**, guaranteeing dependable and leak-proof connections.
Made from top-notch **alloy steel grades** like **ASTM A182 F5, F9, F11, F22, F91**, and more, our flanges are produced through advanced forging and machining techniques to meet strict **dimensional tolerances** and **mechanical property standards**. We apply heat treatment methods such as **quenching and tempering** to ensure they achieve the best strength, toughness, and resistance to thermal stress.
Alloy Steel Flanges Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″ (15 NB) to 48″ (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Yousef Steel provides a wide variety of flange types, including **weld neck, slip-on, blind, threaded, socket weld, lap joint**, and **reducing flanges**, all available in different pressure classes ranging from **Class 150 to Class 2500** in accordance with **ASME B16.5, B16.47**, and **API standards**.
Alloy steel flanges find extensive application in sectors requiring high strength, corrosion resistance, and durability. These flanges play an important role in piping systems to join, reroute, or seal pipes. Some common applications are oil and gas pipelines, chemical processing plants, power generation plants, and marine engineering. Alloy steel flanges withstand high temperatures and pressures, thus well-suited for boilers, heat exchangers, and pressure vessels. They may also find utility in water treatment plants and construction. Their versatility guarantees that they perform reliably in rough and demanding environments over a long-term operational life.
Yousef Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Riyadh, Saudi Arabia.
Copyright 2025 Yousef Steel. All rights reserved