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5070 Aluminum vs. 7076 Aluminum

Both 5070 aluminum and 7076 aluminum are aluminum alloys. They have a moderately high 92% 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 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 20
6.2
Fatigue Strength, MPa 150
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 190
310
Tensile Strength: Ultimate (UTS), MPa 300
530
Tensile Strength: Yield (Proof), MPa 140
460

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 550
460
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
35
Electrical Conductivity: Equal Weight (Specific), % IACS 100
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.8
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
31
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 31
49
Strength to Weight: Bending, points 37
48
Thermal Diffusivity, mm2/s 53
54
Thermal Shock Resistance, points 14
23

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
86.9 to 91.2
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0.3 to 1.0
Iron (Fe), % 0 to 0.4
0 to 0.6
Magnesium (Mg), % 3.5 to 4.5
1.2 to 2.0
Manganese (Mn), % 0.4 to 0.8
0.3 to 0.8
Silicon (Si), % 0 to 0.25
0 to 0.4
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0.4 to 0.8
7.0 to 8.0
Residuals, % 0 to 0.15
0 to 0.15