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3102 Aluminum vs. 5088 Aluminum

Both 3102 aluminum and 5088 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 3102 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, % 23 to 28
29
Fatigue Strength, MPa 31 to 34
180
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 58 to 65
200
Tensile Strength: Ultimate (UTS), MPa 92 to 100
310
Tensile Strength: Yield (Proof), MPa 28 to 34
150

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 640
540
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 230
120
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
29
Electrical Conductivity: Equal Weight (Specific), % IACS 190
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.2
9.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 22
76
Resilience: Unit (Modulus of Resilience), kJ/m3 5.8 to 8.3
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 9.4 to 10
32
Strength to Weight: Bending, points 17 to 18
38
Thermal Diffusivity, mm2/s 92
51
Thermal Shock Resistance, points 4.1 to 4.4
14

Alloy Composition

Aluminum (Al), % 97.9 to 99.95
92.4 to 94.8
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.7
0.1 to 0.35
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0.050 to 0.4
0.2 to 0.5
Silicon (Si), % 0 to 0.4
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
0.2 to 0.4
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15