Aluminum 6061-T651
Typical Analysis in Weight Percent:
Si 0.4 - 0.8 Mn 0.15
Fe 0.7 Mg 0.8 - 1.2
Cu 0.15 - 0.4 Cr 0.04 - 0.35
Zn 0.25 Ti 0.15
Other 0.15
Typical Physical Properties:
Density: .098 lbs/in3 (2.71 g/cc)
Average Coefficient of Thermal Expansion (68 - 212 oF): 13.1 x 10-6/ oF
Melting Range (Approximate): 1080 - 1205 oF
Temper: T651 - Stress relieved by stretching.
Thermal Conductivity (at 77 oF): 1160 btu/in ft2 hr oF
Electrical Conductivity (at 68 oF, % of Int’l Annealed Copper Standard):
Equal Volume: 43
Equal Weight: 142
Electrical Resistivity (at 68 oF): 24 ohms-cir mil/foot
Typical Mechanical Properties:
Tensile Strength:
Ultimate: 45 ksi
Yield: 40 ksi
Elongation (% in 2"):
1/16" thick specimen: 12
1/2" thick specimen: 17
Brinell Hardness (500 kg load - 10mm ball): 95
Ultimate Shearing Strength: 30 ksi
Endurance Limit: 14 ksi
Modulus of Elasticity: 10.0 ksi x 103