2219 aluminum round bar has poor corrosion resistance and good machinability; poor brazing, easy to arc welding and spot welding. It is suitable for structural parts and high-strength welding parts that work at high temperature of 315 °C. Chalco Aluminum can stably produce
2219 aluminum round bars with different specifications of φ90mm~φ880mm. The overall low-magnification grain size has all reached grade 1 or above. Some related products have achieved import substitution, and have made outstanding contributions to the independent and controllable industrial chain and supply chain. .
2219 aluminum round bar has the characteristics of high specific strength, good low temperature and high temperature mechanical properties, high fracture toughness, good stress corrosion resistance, etc. It is suitable for structural parts and high-strength welding parts that work at high temperature of 315 °C. This marks the gradual expansion of Chalco Aluminum's layout in the field of advanced structural materials, and the production process of high-alloyed products has reached the domestic leading level, laying a solid technical foundation for expanding the development space of the aerospace industry and improving the overall application of aerospace technology.
2219 aluminum round bar is used as the guarantee aluminum for major national technical equipment. During the preparatory period, the company has precisely controlled every detail index such as plan formulation, tooling design, and process execution, and has formulated a detailed and complete trial production plan to ensure the production line. Stability and product quality provide reliable material support for national aerospace.
