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1070 Aluminum vs. 2007 Aluminum

Both 1070 aluminum and 2007 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is 1070 aluminum and the bottom bar is 2007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 4.5 to 39
5.6 to 8.0
Fatigue Strength, MPa 22 to 49
91 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 48 to 79
220 to 250
Tensile Strength: Ultimate (UTS), MPa 73 to 140
370 to 420
Tensile Strength: Yield (Proof), MPa 17 to 120
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
190
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
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
47
Electrical Conductivity: Equal Weight (Specific), % IACS 200
140

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
8.0
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
21 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
390 to 530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
44
Strength to Weight: Axial, points 7.5 to 14
33 to 38
Strength to Weight: Bending, points 14 to 22
37 to 40
Thermal Diffusivity, mm2/s 94
48
Thermal Shock Resistance, points 3.3 to 6.1
16 to 19

Alloy Composition

Aluminum (Al), % 99.7 to 100
87.5 to 95
Bismuth (Bi), % 0
0 to 0.2
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.040
3.3 to 4.6
Iron (Fe), % 0 to 0.25
0 to 0.8
Lead (Pb), % 0
0.8 to 1.5
Magnesium (Mg), % 0 to 0.030
0.4 to 1.8
Manganese (Mn), % 0 to 0.030
0.5 to 1.0
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0 to 0.8
Tin (Sn), % 0
0 to 0.2
Titanium (Ti), % 0 to 0.030
0 to 0.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0 to 0.8
Residuals, % 0
0 to 0.3