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 B366 / ASME SB366
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, MSS SP-79
Size 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type Seamless / Welded / Fabricated
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Grade 20 UNS (N08020), DIN (2.4660)
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 | Ni | C | Mn | P | S | Si | Cr | Nb | Mo | Cu |
| Alloy 20 | 32 – 38 | 0.02 max | 1 – 2 | 0.02 max | 0.005 max | 0.7 max | 19 – 21 | 0.1 – 0.3 | 2 – 3 | 3 – 4 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
Kanak Fittings is a leading supplier of Alloy 20 Pipe Fittings in Dubai, UAE. We offer an extensive range of Monel 400 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 | UNS | WNR. | AFNOR | EN |
| Alloy 20 | N08020 | 2.4660 | Z2NCUD31-20AZ | NiCr20CuMo |
Alloy 20 Pipe Fittings from Kanak 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.
Alloy 20 pipe fittings offer several key advantages, including exceptional resistance to corrosion, particularly in acidic environments like sulfuric acid. Their high nickel content enhances resistance to chloride stress corrosion cracking, while the chromium and molybdenum provide excellent protection against pitting and crevice corrosion. These fittings maintain strength and durability even at high temperatures. Alloy 20 also exhibits good weldability and formability, making it versatile for various industrial applications, such as chemical processing, pharmaceuticals, and food production. Its long-term reliability and resistance to degradation reduce maintenance costs.
Yes, custom sizes for Alloy 20 Pipe Fittings are available at Kanak Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@kanakfittings.ae.
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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