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7049 Aluminum vs. 6066 Aluminum

Both 7049 aluminum and 6066 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7049 aluminum and the bottom bar is 6066 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 6.2 to 7.0
7.8 to 17
Fatigue Strength, MPa 160 to 170
94 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 300 to 310
95 to 240
Tensile Strength: Ultimate (UTS), MPa 510 to 530
160 to 400
Tensile Strength: Yield (Proof), MPa 420 to 450
93 to 360

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 480
560
Specific Heat Capacity, J/kg-K 860
890
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.1
2.8
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1110
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
23 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
61 to 920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
49
Strength to Weight: Axial, points 46 to 47
16 to 39
Strength to Weight: Bending, points 46 to 47
23 to 43
Thermal Diffusivity, mm2/s 51
61
Thermal Shock Resistance, points 22 to 23
6.9 to 17

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
93 to 97
Chromium (Cr), % 0.1 to 0.22
0 to 0.4
Copper (Cu), % 1.2 to 1.9
0.7 to 1.2
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 2.0 to 2.9
0.8 to 1.4
Manganese (Mn), % 0 to 0.2
0.6 to 1.1
Silicon (Si), % 0 to 0.25
0.9 to 1.8
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 7.2 to 8.2
0 to 0.25
Residuals, % 0
0 to 0.15