Aluminum alloys with enhanced formability and associated methods

A method comprising:

• casting an aluminum alloy ingot;
• homogenizing the aluminum alloy ingot for form a homogenized aluminum alloy ingot;
• hot rolling the homogenized aluminum alloy ingot to form a hot rolled aluminum alloy product;
• cold rolling the hot rolled aluminum alloy product in a cold rolling step to form a cold rolled aluminum alloy product, wherein the cold rolling step produces an about 60-99% thickness reduction;
• and
• stabilization annealing the cold rolled aluminum alloy product at a metal temperature from about 100-300° C. for about 0.5-5 hours,
• wherein the hot rolling, the cold rolling, and the stabilization annealing steps result in the cold rolled aluminum alloy product comprising an earing balance from about −3.5% to about 2%, a mean earing of less than or equal to 5.5%, a yield strength of about 185-225 Mpa, an ultimate tensile strength of about 205-250 Mpa, a start strain εS at which work hardening stage IV starts, and an end strain εF at which diffuse necking ends,
• wherein an εstable is greater than or equal to 0.035, where εstable=εF−εS,
• wherein the earing balance is an earing balance difference between a mean of two heights of a cup formed from the cold rolled aluminum alloy product measured at 180° positions around a circumference of the cup and a mean of four heights of the cup measured at 45° positions around the circumference, and the earing balance difference is divided by a cup height, and
• wherein the mean earing a mean earing difference between a peak height and a valley height, and the mean earing difference is divided by the cup height.