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2007 Aluminum vs. 3102 Aluminum

Both 2007 aluminum and 3102 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 2007 aluminum and the bottom bar is 3102 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 5.6 to 8.0
23 to 28
Fatigue Strength, MPa 91 to 110
31 to 34
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 220 to 250
58 to 65
Tensile Strength: Ultimate (UTS), MPa 370 to 420
92 to 100
Tensile Strength: Yield (Proof), MPa 240 to 270
28 to 34

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 510
640
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
56
Electrical Conductivity: Equal Weight (Specific), % IACS 140
190

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
5.8 to 8.3
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
50
Strength to Weight: Axial, points 33 to 38
9.4 to 10
Strength to Weight: Bending, points 37 to 40
17 to 18
Thermal Diffusivity, mm2/s 48
92
Thermal Shock Resistance, points 16 to 19
4.1 to 4.4

Alloy Composition

Aluminum (Al), % 87.5 to 95
97.9 to 99.95
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.6
0 to 0.1
Iron (Fe), % 0 to 0.8
0 to 0.7
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0.050 to 0.4
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.8
0 to 0.4
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0 to 0.8
0 to 0.3
Residuals, % 0
0 to 0.15