Home > Super Duplex Steel > Super Duplex Steel Flanges
Ashraf Nickel Alloys stands out as a top manufacturer and supplier of Super Duplex Steel Flanges in Riyadh, Saudi Arabia. We pride ourselves on delivering high-quality products that are built to last, offering exceptional durability, corrosion resistance, and impressive mechanical strength. Crafted with a unique dual-phase microstructure of austenite and ferrite, our flanges excel in resisting chloride-induced stress corrosion cracking, pitting, and crevice corrosion. With a variety of types available—including weld neck, slip-on, socket weld, threaded, blind, and lap joint flanges—our Super Duplex Steel Flanges comply with ASTM, ASME, and DIN standards, making them a go-to choice in the oil & gas, petrochemical, marine, and offshore industries for demanding applications.
| Specifications | ASTM A182 / ASME SA182 |
| Size | 1/8″ NB TO 48″ NB |
| Standards | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 |
| Grade | Duplex Steel Flanges |
|---|---|
| C | 0.030 max |
| Mn | 2.00 max |
| Si | 1.00 max |
| P | 0.030 max |
| S | 0.020 max |
| Cr | 22.0 – 23.0 |
| Mo | 3.0 – 3.5 |
| Ni | 4.50 – 6.50 |
| N | 0.14 – 0.20 |
| Fe | 63.72 min |
| Duplex Steel | Flanges |
|---|---|
| Density (g/cm 3) | 7.805 |
| Density (lb/in 3) | 0.285 |
| Melting Point (°C) | 1420 – 1465 |
| Melting Point (°F) | 2588 – 2669 |
At Ashraf Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Flanges in Riyadh, Saudi Arabia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Saudi Arabia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Super Duplex Steel Flanges find their way into a variety of applications, including offshore oil rigs, subsea equipment, marine systems, desalination plants, chemical processing units, and power generation facilities. Their remarkable strength and corrosion resistance make them perfect for connecting pipes, pumps, valves, and pressure vessels in harsh environments. Industries like petrochemical, pulp & paper, and water treatment rely on these flanges to create secure, leak-proof piping systems that can handle high pressure, extreme temperatures, and exposure to seawater. Whether in heavy machinery or shipbuilding, these flanges are essential for ensuring robust and reliable operations.
