Duplex Steel Products 90/10 (Cu-Ni) is an alloy consisting of 90% copper and 10% nickel, offering excellent resistance to seawater corrosion and biofouling. This alloy provides superior strength, thermal stability, and good weldability, making it suitable for marine and offshore applications. Sunrise Industries supplies high-quality Cupro Nickel 90/10 Pipes, Tubes, and Fittings that are widely used in desalination plants, shipbuilding, condensers, and heat exchangers. Known for their durability and resistance to stress corrosion cracking, Cupro Nickel 90/10 products deliver long service life in harsh environments. We offer these products in various sizes and standards at competitive prices.