http://www.rose-hulman.edu/~martintm/Al ... 075-T6.htm
Design Criteria:
Cost: $1.00 - $9.00 per kg
Density: 2700 - 2800 kg/m
Young's Modulus: 70 GPa
Tensile Strength: 517 - 572 MPa
Corrosion Resistance: Not very corrosion resistant
Machinability: Forming, Welding, Heat Treatment, Forging, Hot Working,
Cold Working, Annealing, Aging, Tempering, Hardening
Why we use7075 instead of 6061 ?
Aluminum alloy 7075 is one of the highest strength aluminum alloys available. It's strength to weight ratio is excellent, and it is ideally used for highly stressed parts such as aircraft components. Thus it is known as a true "Aircraft Grade" aluminum.
7075 vs 6061 Comparison Chart: Alloy Tensile Strength Yield Strength Brinell Hardness
6061-T6 45,000 PSI 40,000 PSI 95
7075-T6 83,000 PSI 73,000 PSI 150
http://www.key-to-metals.com/Article96.htm
http://www.aircraftspruce.com/catalog/m ... 7075t6.php
Shorty .............