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384.0 Aluminum vs. 7108A Aluminum

Both 384.0 aluminum and 7108A aluminum are aluminum alloys. They have 84% 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 384.0 aluminum and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
69
Elongation at Break, % 2.5
11 to 13
Fatigue Strength, MPa 140
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Shear Strength, MPa 200
210
Tensile Strength: Ultimate (UTS), MPa 330
350
Tensile Strength: Yield (Proof), MPa 170
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 550
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 580
630
Melting Onset (Solidus), °C 530
520
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 96
150
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
36
Electrical Conductivity: Equal Weight (Specific), % IACS 69
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.9
2.9
Embodied Carbon, kg CO2/kg material 7.4
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1010
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 190
610 to 640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
47
Strength to Weight: Axial, points 32
33 to 34
Strength to Weight: Bending, points 37
38
Thermal Diffusivity, mm2/s 39
59
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
91.6 to 94.4
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 3.0 to 4.5
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 1.3
0 to 0.3
Magnesium (Mg), % 0 to 0.1
0.7 to 1.5
Manganese (Mn), % 0 to 0.5
0 to 0.050
Nickel (Ni), % 0 to 0.5
0
Silicon (Si), % 10.5 to 12
0 to 0.2
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0 to 3.0
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15