7150 alloy aluminum plate sheet has the characteristics of high strength, high fracture toughness, and stress corrosion resistance, and is widely used in the aerospace field.
7150 aluminum plate sheet and extruded material are mainly used in the manufacture of aircraft. In ARJ21 aircraft, the quality of aluminum alloy parts accounts for 70% of the aircraft's net mass, while T77 is used more in the aluminum alloy used, which is estimated to reach 20%.
Some 7150 aluminum plate sheet are also used in the manufacture of large aircraft C919. For example, the mid-body keel beam edge is 7150-T7511, and the front pressure frame reinforcement of the nose is 7150-T77511 alloy.
To produce 7150 T77 aluminum plate sheet,Hnean Chalco introduced a 139m long T77 aging furnace from EBNER Industrial Furnace Co., Ltd., which was put into production in 2017, and can process sheet size (width x thickness x length): (1000 ~ 4300) mmX (4 ~ 250) mmX39m The maximum mass of the veneer is 25 tons. The accuracy of the furnace temperature is ± 1 ° C, the accuracy of the furnace gas temperature is ± 2 ° C, the uniformity of the plate temperature is ± 1.5 ° C, and the accuracy of the veneer temperature is ± 1 ° C. This is the only processing line introduced and put into production in China by 2018.
