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5070 Aluminum vs. 7049 Aluminum

Both 5070 aluminum and 7049 aluminum are aluminum alloys. They have a moderately high 91% 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 5070 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 20
6.2 to 7.0
Fatigue Strength, MPa 150
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 190
300 to 310
Tensile Strength: Ultimate (UTS), MPa 300
510 to 530
Tensile Strength: Yield (Proof), MPa 140
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
36
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.8
8.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1170
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1270 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 31
46 to 47
Strength to Weight: Bending, points 37
46 to 47
Thermal Diffusivity, mm2/s 53
51
Thermal Shock Resistance, points 14
22 to 23

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
85.7 to 89.5
Chromium (Cr), % 0 to 0.3
0.1 to 0.22
Copper (Cu), % 0 to 0.25
1.2 to 1.9
Iron (Fe), % 0 to 0.4
0 to 0.35
Magnesium (Mg), % 3.5 to 4.5
2.0 to 2.9
Manganese (Mn), % 0.4 to 0.8
0 to 0.2
Silicon (Si), % 0 to 0.25
0 to 0.25
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0.4 to 0.8
7.2 to 8.2
Residuals, % 0 to 0.15
0 to 0.15