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Xuan Nickel Alloys, Da Nang, Vietnam, is a prominent manufacturer and distributor of premium quality Super Duplex Steel Flanges. Engineered for high strength and remarkable corrosion resistance, our flanges have been made to meet the toughest industrial conditions. With a high molybdenum and chromium composition, they provide excellent resistance to compression, pitting, erosion, and stress corrosion cracking. Perfect for offshore oil and gas platforms, chemical plants, and marine operations, these flanges guarantee long-term reliability, performance, and safety. Our company Xuan Nickel Alloys is dedicated to providing durable, industry-level solutions customized to fit your individual project needs.
| 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 Xuan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Flanges in Da Nang, Vietnam, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Vietnam, 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 high-level mechanical strength and corrosion-resistant industries. In the oil and gas industry, they play a pivotal role in offshore platforms, subsea systems, and marine-exposed pipelines. Chemical processing plants utilize them in reactors, pressure vessels, and piping systems dealing with corrosive materials. They are also used in desalination plants to ensure safe seawater resistance and in marine engineering for ship construction and subsea use. Power generation plants also benefit from their high-temperature and pressure resistance. Their unparalleled durability ensures efficient, safe, and long-term performance in mission-critical industrial processes.
