Aluminum alloy and casting method thereof, and method for extruding profile
A technology for aluminum alloys and aluminum profiles, applied in the field of aluminum alloys, can solve problems such as difficulty in extrusion molding, difficulty in producing shaped hollow profiles, and restricting applications.
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Embodiment 1
[0030] A high-strength aluminum alloy, its composition and weight percentage are: Mg: 0.5%, Si: 0.26%, Cu: 0.6%, Mn: 0.1%, Cr: 0.01%, Ti: 0.01%, Al: 95.82% .
[0031] In the present invention, the yield strength reaches 350MPa, the tensile strength reaches 400MPa, and the yield strength reaches 11%.
Embodiment 2
[0033] A high-strength aluminum alloy, its composition and weight percentage are: Mg: 0.7%, Si: 0.41%, Cu: 75%, Mn: 0.2%, Cr: 0.04%, Ti: 0.03%, Al: 97.87% .
[0034] In the present invention, the yield strength reaches 353MPa, the tensile strength reaches 404MPa, and the yield strength reaches 10.5%.
Embodiment 3
[0036] A high-strength aluminum alloy, its composition and weight percentage are: Mg: 0.8%, Si: 0.47%, Cu: 0.68%, Mn: 0.4%, Cr: 0.07%, Ti: 0.05%, Al: 97.53% .
[0037] In the present invention, the yield strength reaches 355MPa, the tensile strength reaches 410MPa, and the yield strength reaches 13%.
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