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7049 Aluminum vs. 1080 Aluminum

Both 7049 aluminum and 1080 aluminum are aluminum alloys. They have 88% 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 1080 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 6.2 to 7.0
4.6 to 40
Fatigue Strength, MPa 160 to 170
21 to 48
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 300 to 310
49 to 78
Tensile Strength: Ultimate (UTS), MPa 510 to 530
72 to 130
Tensile Strength: Yield (Proof), MPa 420 to 450
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 370
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 480
640
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
61
Electrical Conductivity: Equal Weight (Specific), % IACS 110
200

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1110
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
4.7 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
2.1 to 100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 46 to 47
7.4 to 14
Strength to Weight: Bending, points 46 to 47
14 to 22
Thermal Diffusivity, mm2/s 51
94
Thermal Shock Resistance, points 22 to 23
3.2 to 6.0

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
99.8 to 100
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.35
0 to 0.15
Magnesium (Mg), % 2.0 to 2.9
0 to 0.020
Manganese (Mn), % 0 to 0.2
0 to 0.020
Silicon (Si), % 0 to 0.25
0 to 0.15
Titanium (Ti), % 0 to 0.1
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 7.2 to 8.2
0 to 0.030
Residuals, % 0
0 to 0.020