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5019 Aluminum vs. 7108 Aluminum

Both 5019 aluminum and 7108 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is 5019 aluminum and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 2.2 to 18
11
Fatigue Strength, MPa 100 to 160
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 170 to 210
210
Tensile Strength: Ultimate (UTS), MPa 280 to 360
350
Tensile Strength: Yield (Proof), MPa 120 to 300
290

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 540
530
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
39
Electrical Conductivity: Equal Weight (Specific), % IACS 98
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 9.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 40
38
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 650
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 29 to 38
34
Strength to Weight: Bending, points 35 to 42
38
Thermal Diffusivity, mm2/s 52
59
Thermal Shock Resistance, points 13 to 16
16

Alloy Composition

Aluminum (Al), % 91.5 to 95.3
92.4 to 94.7
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.050
Iron (Fe), % 0 to 0.5
0 to 0.1
Magnesium (Mg), % 4.5 to 5.6
0.7 to 1.4
Manganese (Mn), % 0.1 to 0.6
0 to 0.050
Silicon (Si), % 0 to 0.4
0 to 0.1
Titanium (Ti), % 0 to 0.2
0 to 0.050
Zinc (Zn), % 0 to 0.2
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15