Alloy C276 Introduction:Alloy C276 (UNS N10276, W.Nr. 2.4819) is a high-performance nickel-based alloy with nickel as the base metal, supplemented with elements such as chromium, molybdenum, and tungsten. It possesses exceptional overall performance due to its unique composition ratio. It exhibits strong corrosion resistance in both oxidizing and reducing environments, capable of withstanding strong acids like hydrochloric acid, sulfuric acid, and acetic acid, as well as media containing high chloride ions such as seawater and salt solutions. It also effectively resists pitting, crevice corrosion, and stress corrosion cracking, maintaining stable performance even in medium to high-temperature environments. The alloy also has good mechanical strength and formability, allowing it to be shaped through various processes such as welding, forging, and cold working. The heat-affected zone of the weld is not prone to intergranular precipitation, so it maintains excellent corrosion resistance without the need for post-weld heat treatment. Due to its outstanding corrosion resistance and reliability, Alloy C276 is widely used in industries such as chemical, petrochemical, marine engineering, pharmaceuticals, aerospace, and environmental desulfurization,
Alloy C276 Applications:Alloy C276 (UNS N10276, W.Nr. 2.4819) is a high-performance nickel-based alloy with nickel as the base metal, supplemented with elements such as chromium, molybdenum, and tungsten. It possesses exceptional overall performance due to its unique composition ratio. It exhibits strong corrosion resistance in both oxidizing and reducing environments, capable of withstanding strong acids like hydrochloric acid, sulfuric acid, and acetic acid, as well as media containing high chloride ions such as seawater and salt solutions. It also effectively resists pitting, crevice corrosion, and stress corrosion cracking, maintaining stable performance even in medium to high-temperature environments. The alloy also has good mechanical strength and formability, allowing it to be shaped through various processes such as welding, forging, and cold working. The heat-affected zone of the weld is not prone to intergranular precipitation, so it maintains excellent corrosion resistance without the need for post-weld heat treatment. Due to its outstanding corrosion resistance and reliability, Alloy C276 is widely used in industries such as chemical, petrochemical, marine engineering, pharmaceuticals, aerospace, and environmental desulfurization,
Alloy C276 Butt Welding Lap Joint Stub End Introduction:
The Alloy C276 Lap Joint Stub End is a pipe fitting designed for demanding service conditions. Manufactured from UNS N10276 nickel-chromium-molybdenum-tungsten alloy (Alloy C276), it combines the excellent corrosion resistance of this alloy with the structural advantages of a lap joint stub end. As a two-component assembly part used with a lap joint flange, one end is fixed to the pipe by butt welding, while the other end is designed to slide into the lap joint flange, allowing the flange ring to rotate freely for bolt hole alignment. This allows for system disassembly and reassembly without modifying the piping, making it particularly suitable for large or difficult-to-adjust flange installations. The core material, Alloy C276, with its extremely low carbon and silicon content and balanced composition, effectively resists corrosion from various corrosive media, including hot contaminated mineral acids, organic and inorganic chloride media, chlorine gas, formic acid, and acetic acid. It also possesses excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. The heat-affected zone during welding is less prone to grain boundary precipitation, maintaining good thermal stability, mechanical strength, and processing and welding properties over a wide temperature range of -200℃ to 450℃. This fitting conforms to international standards such as ASME B16.9 and is available in various sizes to match different pipe diameters. It is widely used in industries requiring high corrosion resistance and system flexibility, such as petrochemicals, flue gas desulfurization, seawater desalination, nuclear power, and hydrometallurgy, providing reliable connections and long-term stable operation for piping systems under extreme conditions.