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7003 Aluminum vs. 2117 Aluminum

Both 7003 aluminum and 2117 aluminum are aluminum alloys. They have a moderately high 94% 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 7003 aluminum and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 11
26
Fatigue Strength, MPa 130 to 150
95
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 210 to 230
200
Tensile Strength: Ultimate (UTS), MPa 350 to 390
300
Tensile Strength: Yield (Proof), MPa 300 to 310
170

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
220
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 510
550
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
40
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.9
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
64
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
47
Strength to Weight: Axial, points 33 to 37
28
Strength to Weight: Bending, points 37 to 40
33
Thermal Diffusivity, mm2/s 59
59
Thermal Shock Resistance, points 15 to 17
12

Alloy Composition

Aluminum (Al), % 90.6 to 94.5
91 to 97.6
Chromium (Cr), % 0 to 0.2
0 to 0.1
Copper (Cu), % 0 to 0.2
2.2 to 4.5
Iron (Fe), % 0 to 0.35
0 to 0.7
Magnesium (Mg), % 0.5 to 1.0
0.2 to 1.0
Manganese (Mn), % 0 to 0.3
0.4 to 1.0
Silicon (Si), % 0 to 0.3
0.2 to 0.8
Titanium (Ti), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 5.0 to 6.5
0 to 0.25
Zirconium (Zr), % 0.050 to 0.25
0 to 0.25
Residuals, % 0
0 to 0.15