Vishal Flanges, based in Delhi, India, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Copper Nickel threaded flanges. These flanges are celebrated for their outstanding resistance to corrosion and impressive strength, making them perfect for tough marine and industrial environments. With a commitment to quality and precision, Vishal Flanges guarantees that each product adheres to international standards. Our Copper Nickel threaded flanges are not only dependable and durable but also versatile, making them a go-to choice for clients worldwide across various industrial sectors.
Specifications : ASTM / ASME A815 / SA815
Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/2″NB TO 36″NB IN
SCH :Sch 10S, 40S, 80S, 160s, XXS
Type : Seamless / Welded
Copper Nickel threaded flanges are primarily made up of copper (60%-70%) and nickel (30%-40%), with trace amounts of iron and manganese to enhance strength and corrosion resistance. This special blend provides remarkable protection against seawater corrosion, biofouling, and stress cracking. These flanges showcase moderate tensile strength, high ductility, and excellent thermal stability, ensuring they perform reliably under high-pressure and high-temperature conditions. Their mechanical properties make them perfect for long-term use in challenging environments.
| Grade | C | Mn | Si | P | S | Cr | Ni | Mo | N | Fe |
| Super Duplex S32750 | 0.030 max. | 2.00 max. | 1.00 max. | 0.030 max. | 0.020 max. | 22.0 – 23.0 | 4.50 – 6.50 | 3.0 – 3.5 | 0.14 – 0.20 | 63.72 min. |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Super Duplex S32750 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Smith Fittings is a leading supplier of Super Duplex Steel S32750 Pipe Fittings in Canberra, Australia. We offer an extensive range of Super Duplex Steel S32750 Pipe Fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex UNS S32750 | 1.4410 | S32750 |
Super Duplex Steel S32750 Pipe Fittings from Smith Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
Due to its high chromium, molybdenum, and nitrogen content, Super Duplex Steel S32750 pipe fittings offer exceptional corrosion resistance, particularly in aggressive environments such as seawater and chemicals. These fittings provide excellent strength and durability, superior resistance to pitting, crevice corrosion, and stress corrosion cracking. The material’s high tensile strength and toughness make it ideal for high-pressure and high-temperature applications. Additionally, Super Duplex Steel S32750 is highly resistant to chloride-induced corrosion, making it a reliable choice for petrochemical, marine, and chemical processing industries. Its weldability further enhances its usability.
Yes, custom sizes for Super Duplex Steel S32750 Pipe Fittings are available at Smith Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@smithfittings.com.
Vishal Flanges’ Copper Nickel threaded flanges find extensive applications in industries like marine, shipbuilding, offshore oil and gas, and desalination plants. Their exceptional resistance to seawater corrosion makes them ideal for piping systems, heat exchangers, and condenser systems. Additionally, these flanges are utilized in chemical processing, power generation, and HVAC systems. Built for durability and flexibility, Copper Nickel threaded flanges provide secure and leak-proof connections in critical applications, ensuring long-lasting reliability even in harsh operating conditions.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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