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2007 Aluminum vs. 2618A Aluminum

Both 2007 aluminum and 2618A 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 2007 aluminum and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 5.6 to 8.0
4.5
Fatigue Strength, MPa 91 to 110
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 220 to 250
260
Tensile Strength: Ultimate (UTS), MPa 370 to 420
440
Tensile Strength: Yield (Proof), MPa 240 to 270
410

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 190
230
Melting Completion (Liquidus), °C 640
670
Melting Onset (Solidus), °C 510
560
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
37
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.0
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
19
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
1180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
47
Strength to Weight: Axial, points 33 to 38
41
Strength to Weight: Bending, points 37 to 40
44
Thermal Diffusivity, mm2/s 48
59
Thermal Shock Resistance, points 16 to 19
19

Alloy Composition

Aluminum (Al), % 87.5 to 95
91.5 to 95.2
Bismuth (Bi), % 0 to 0.2
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.6
1.8 to 2.7
Iron (Fe), % 0 to 0.8
0.9 to 1.4
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
1.2 to 1.8
Manganese (Mn), % 0.5 to 1.0
0 to 0.25
Nickel (Ni), % 0 to 0.2
0.8 to 1.4
Silicon (Si), % 0 to 0.8
0.15 to 0.25
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.8
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15