7075
Un-heat-treated 7075 (7075-O temper) has maximum tensile strength no more than 40,000 psi (276 MPa), and maximum yield strength no more than 21,000 psi (145 MPa). The material has elongation (stretch before ultimate failure) of 9-10%.
7075-T6
7075 tech sheet T6 temper 7075 has an ultimate tensile strength of 74 - 78,000 psi (510 - 538 MPa) and yield strength of at least 63 - 69,000 psi (434-476 MPa). It has failure elongation of 5-8%.