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5040 Aluminum vs. 5070 Aluminum

Both 5040 aluminum and 5070 aluminum are aluminum alloys. They have a very high 97% 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 5040 aluminum and the bottom bar is 5070 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 5.7 to 6.8
20
Fatigue Strength, MPa 100 to 130
150
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 140 to 150
190
Tensile Strength: Ultimate (UTS), MPa 240 to 260
300
Tensile Strength: Yield (Proof), MPa 190 to 230
140

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 190
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
550
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
31
Electrical Conductivity: Equal Weight (Specific), % IACS 130
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 15
51
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 380
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 24 to 26
31
Strength to Weight: Bending, points 31 to 32
37
Thermal Diffusivity, mm2/s 64
53
Thermal Shock Resistance, points 10 to 11
14

Alloy Composition

Aluminum (Al), % 95.2 to 98
92.4 to 95.7
Chromium (Cr), % 0.1 to 0.3
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.7
0 to 0.4
Magnesium (Mg), % 1.0 to 1.5
3.5 to 4.5
Manganese (Mn), % 0.9 to 1.4
0.4 to 0.8
Silicon (Si), % 0 to 0.3
0 to 0.25
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.25
0.4 to 0.8
Residuals, % 0
0 to 0.15