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1070 Aluminum vs. 2017A Aluminum

Both 1070 aluminum and 2017A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 1070 aluminum and the bottom bar is 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 4.5 to 39
2.2 to 14
Fatigue Strength, MPa 22 to 49
92 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 48 to 79
120 to 270
Tensile Strength: Ultimate (UTS), MPa 73 to 140
200 to 460
Tensile Strength: Yield (Proof), MPa 17 to 120
110 to 290

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 640
510
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
34
Electrical Conductivity: Equal Weight (Specific), % IACS 200
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1200
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
6.7 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 110
90 to 570
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 7.5 to 14
19 to 42
Strength to Weight: Bending, points 14 to 22
26 to 44
Thermal Diffusivity, mm2/s 94
56
Thermal Shock Resistance, points 3.3 to 6.1
8.9 to 20

Alloy Composition

Aluminum (Al), % 99.7 to 100
91.3 to 95.5
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 0.7
Magnesium (Mg), % 0 to 0.030
0.4 to 1.0
Manganese (Mn), % 0 to 0.030
0.4 to 1.0
Silicon (Si), % 0 to 0.2
0.2 to 0.8
Titanium (Ti), % 0 to 0.030
0 to 0.25
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants