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7108 Aluminum vs. EN AC-48100 Aluminum

Both 7108 aluminum and EN AC-48100 aluminum are aluminum alloys. They have 77% 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 7108 aluminum and the bottom bar is EN AC-48100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 380
640
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 630
580
Melting Onset (Solidus), °C 530
470
Specific Heat Capacity, J/kg-K 880
880
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
87

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
7.3
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1150
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
2.3 to 3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 620
250 to 580
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
51
Strength to Weight: Axial, points 34
24 to 33
Strength to Weight: Bending, points 38
31 to 38
Thermal Diffusivity, mm2/s 59
55
Thermal Shock Resistance, points 16
11 to 16

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
72.1 to 79.8
Copper (Cu), % 0 to 0.050
4.0 to 5.0
Iron (Fe), % 0 to 0.1
0 to 1.3
Magnesium (Mg), % 0.7 to 1.4
0.25 to 0.65
Manganese (Mn), % 0 to 0.050
0 to 0.5
Nickel (Ni), % 0
0 to 0.3
Silicon (Si), % 0 to 0.1
16 to 18
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.050
0 to 0.25
Zinc (Zn), % 4.5 to 5.5
0 to 1.5
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0
0 to 0.25