MakeItFrom.com
Menu (ESC)

2018 Aluminum vs. 7108A Aluminum

Both 2018 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 2018 aluminum and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
69
Elongation at Break, % 9.6
11 to 13
Fatigue Strength, MPa 120
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 270
210
Tensile Strength: Ultimate (UTS), MPa 420
350
Tensile Strength: Yield (Proof), MPa 310
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 220
210
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 510
520
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
2.9
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 670
610 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
47
Strength to Weight: Axial, points 38
33 to 34
Strength to Weight: Bending, points 41
38
Thermal Diffusivity, mm2/s 57
59
Thermal Shock Resistance, points 19
15 to 16

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
Aluminum (Al), % 89.7 to 94.4
91.6 to 94.4
Chromium (Cr), % 0 to 0.1
0 to 0.040
Copper (Cu), % 3.5 to 4.5
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 1.0
0 to 0.3
Magnesium (Mg), % 0.45 to 0.9
0.7 to 1.5
Manganese (Mn), % 0 to 0.2
0 to 0.050
Nickel (Ni), % 1.7 to 2.3
0
Silicon (Si), % 0 to 0.9
0 to 0.2
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0 to 0.15
0 to 0.15