2025-07-18 Inconel 690 pipe (UNS N06690 / W.Nr.2.4642) is a high chromium-nickel alloy with excellent resistance to corrosive aqueous media and high temperature atmospheres. In addition to corrosion resistance, alloy 690 has high strength, good metallurgical stability and good fabrication characteristics.Inconel 690 pipe has excellent resistance to high-temperature oxidation and outstanding corrosion resistance, especially in high-temperature sulfur-containing and oxidizing media.Inconel 690 pipe is widely used in harsh environments, such as nuclear power, chemical, heat treatment, waste gas treatment and offshore engineering and other harsh environments.