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EN AC-48100 Aluminum vs. 7108A Aluminum

Both EN AC-48100 aluminum and 7108A aluminum are aluminum alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN AC-48100 aluminum and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
69
Elongation at Break, % 1.1
11 to 13
Fatigue Strength, MPa 120 to 130
120 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 29
26
Tensile Strength: Ultimate (UTS), MPa 240 to 330
350
Tensile Strength: Yield (Proof), MPa 190 to 300
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 640
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 580
630
Melting Onset (Solidus), °C 470
520
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
36
Electrical Conductivity: Equal Weight (Specific), % IACS 87
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 7.3
8.3
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 940
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 3.6
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
610 to 640
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 24 to 33
33 to 34
Strength to Weight: Bending, points 31 to 38
38
Thermal Diffusivity, mm2/s 55
59
Thermal Shock Resistance, points 11 to 16
15 to 16

Alloy Composition

Aluminum (Al), % 72.1 to 79.8
91.6 to 94.4
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 4.0 to 5.0
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 1.3
0 to 0.3
Magnesium (Mg), % 0.25 to 0.65
0.7 to 1.5
Manganese (Mn), % 0 to 0.5
0 to 0.050
Nickel (Ni), % 0 to 0.3
0
Silicon (Si), % 16 to 18
0 to 0.2
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0 to 0.030
Zinc (Zn), % 0 to 1.5
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15