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357.0 Aluminum vs. 7108A Aluminum

Both 357.0 aluminum and 7108A aluminum are aluminum alloys. They have a moderately high 93% 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 357.0 aluminum and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 3.4
11 to 13
Fatigue Strength, MPa 76
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 200
210
Tensile Strength: Ultimate (UTS), MPa 350
350
Tensile Strength: Yield (Proof), MPa 300
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 500
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 620
630
Melting Onset (Solidus), °C 560
520
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
36
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.6
2.9
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 620
610 to 640
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
47
Strength to Weight: Axial, points 38
33 to 34
Strength to Weight: Bending, points 43
38
Thermal Diffusivity, mm2/s 64
59
Thermal Shock Resistance, points 17
15 to 16

Alloy Composition

Aluminum (Al), % 91.3 to 93.1
91.6 to 94.4
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 0 to 0.050
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.3
Magnesium (Mg), % 0.45 to 0.6
0.7 to 1.5
Manganese (Mn), % 0 to 0.030
0 to 0.050
Silicon (Si), % 6.5 to 7.5
0 to 0.2
Titanium (Ti), % 0 to 0.2
0 to 0.030
Zinc (Zn), % 0 to 0.050
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15