2219 T851 military and aerospace superduralumin, hardest ...
2219 T851 military and aerospace superduralumin, hardest aluminum sheet Hangzhou Yonghong Aluminum Industry Co., Ltd. 3 Metric Tons Min. Order 2219 ALUMINUM PLATE 2219 Copper is the main alloying ingredient in 2219. It is very strong compared to most aluminum alloys, and has average machinability, but the copper component makes it susceptible