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Bilal Nickel Alloys, based in Safat, Kuwait, is a trusted manufacturer and supplier of Super Duplex Steel Flanges, offering high-quality products known for their strength, durability, and exceptional corrosion resistance. The company combines advanced manufacturing technology with skilled craftsmanship to ensure each flange meets stringent industry standards and performs reliably in demanding conditions. Super Duplex Steel Flanges are engineered for use in chloride-rich, corrosive, and high-temperature environments, providing long-term structural integrity and operational efficiency. Bilal Nickel Alloys delivers solutions that support safe, efficient, and durable operations across oil and gas, chemical, marine, and industrial sectors.
Super Duplex Steel Flanges are made from high-performance alloys containing chromium, nickel, molybdenum, and nitrogen in precise proportions. This composition provides outstanding resistance to pitting, crevice, and stress corrosion cracking in aggressive environments. Mechanically, the flanges exhibit high tensile and yield strength, excellent toughness, and superior fatigue resistance, while maintaining stability at elevated temperatures. The alloy also offers excellent weldability and formability for precise fabrication. These properties make Super Duplex Steel Flanges suitable for industrial applications that demand both mechanical strength and long-term corrosion resistance.
| 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 Bilal Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Flanges in Safat, Kuwait, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Kuwait, 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 are widely used in industries that require high strength, durability, and corrosion resistance. In oil and gas, they are ideal for offshore platforms, pipelines, and refinery equipment exposed to chloride-rich and harsh environments. Chemical and petrochemical plants rely on them for safe transport and handling of aggressive chemicals and acidic media. Marine and desalination industries benefit from their seawater resistance and reliability in harsh operational conditions. Additionally, these flanges are used in power generation, pulp and paper, and other high-performance industrial systems. Super Duplex Steel Flanges ensure long-lasting, dependable performance in demanding industrial environments.
