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3105 Aluminum vs. 5088 Aluminum

Both 3105 aluminum and 5088 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 30 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 3105 aluminum and the bottom bar is 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 1.1 to 20
29
Fatigue Strength, MPa 39 to 95
180
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 77 to 140
200
Tensile Strength: Ultimate (UTS), MPa 120 to 240
310
Tensile Strength: Yield (Proof), MPa 46 to 220
150

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
540
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 170
120
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.2
9.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
76
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 12 to 24
32
Strength to Weight: Bending, points 20 to 31
38
Thermal Diffusivity, mm2/s 68
51
Thermal Shock Resistance, points 5.2 to 11
14

Alloy Composition

Aluminum (Al), % 96 to 99.5
92.4 to 94.8
Chromium (Cr), % 0 to 0.2
0 to 0.15
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 0 to 0.7
0.1 to 0.35
Magnesium (Mg), % 0.2 to 0.8
4.7 to 5.5
Manganese (Mn), % 0.3 to 0.8
0.2 to 0.5
Silicon (Si), % 0 to 0.6
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0.2 to 0.4
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15