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5070 Aluminum vs. 6018 Aluminum

Both 5070 aluminum and 6018 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is 5070 aluminum and the bottom bar is 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 20
9.0 to 9.1
Fatigue Strength, MPa 150
85 to 89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190
170 to 180
Tensile Strength: Ultimate (UTS), MPa 300
290 to 300
Tensile Strength: Yield (Proof), MPa 140
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 130
170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
44
Electrical Conductivity: Equal Weight (Specific), % IACS 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.8
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 150
360 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
48
Strength to Weight: Axial, points 31
28 to 29
Strength to Weight: Bending, points 37
34 to 35
Thermal Diffusivity, mm2/s 53
65
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 92.4 to 95.7
93.1 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.25
0.15 to 0.4
Iron (Fe), % 0 to 0.4
0 to 0.7
Lead (Pb), % 0
0.4 to 1.2
Magnesium (Mg), % 3.5 to 4.5
0.6 to 1.2
Manganese (Mn), % 0.4 to 0.8
0.3 to 0.8
Silicon (Si), % 0 to 0.25
0.5 to 1.2
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0.4 to 0.8
0 to 0.3
Residuals, % 0
0 to 0.15