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1070 Aluminum vs. 2018 Aluminum

Both 1070 aluminum and 2018 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 1070 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
73
Elongation at Break, % 4.5 to 39
9.6
Fatigue Strength, MPa 22 to 49
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 48 to 79
270
Tensile Strength: Ultimate (UTS), MPa 73 to 140
420
Tensile Strength: Yield (Proof), MPa 17 to 120
310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 640
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
40
Electrical Conductivity: Equal Weight (Specific), % IACS 200
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
37
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 7.5 to 14
38
Strength to Weight: Bending, points 14 to 22
41
Thermal Diffusivity, mm2/s 94
57
Thermal Shock Resistance, points 3.3 to 6.1
19

Alloy Composition

Aluminum (Al), % 99.7 to 100
89.7 to 94.4
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.040
3.5 to 4.5
Iron (Fe), % 0 to 0.25
0 to 1.0
Magnesium (Mg), % 0 to 0.030
0.45 to 0.9
Manganese (Mn), % 0 to 0.030
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0 to 0.2
0 to 0.9
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0 to 0.25
Residuals, % 0
0 to 0.15