7021 aluminum alloy plate sheet is obtained through casting process. It is located in the gap between medium and high resistance alloys and is underestimated in many cases. It is characterized by a very low microporous uniform structure, excellent processability and high tolerance. main feature: High-strength aluminum plate; Very good dimensional stability, low internal stress; Good weldability The specifications that Chinalco can provide are as follows: Alloy tempering: 7021 T6 Thickness: 0.5--4.5mm Width: 1200-2600mm Length: 1200-6000mm Mechanical property:
Alloy/ Temper |
Thickness (mm) |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation A50% |
Standard |
7021 T6 |
0.5--4.5mm |
450--470 |
490--510 |
13--15 |
GB/EN/AMS |
7021 aluminum alloy plate sheet application-tools, molds and patterns manufacturing-injection molds-machine and equipment construction-bottom plate, table top and mounting plate, American General Motors uses
7021 aluminum alloy plate sheet to manufacture Smure car bumpers to improve support It is also used as side sheet and bottom sheet of aviation container, as well as tray.