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3105 Aluminum vs. 4104 Aluminum

Both 3105 aluminum and 4104 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 3105 aluminum and the bottom bar is 4104 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 1.1 to 20
2.4
Fatigue Strength, MPa 39 to 95
42
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 77 to 140
63
Tensile Strength: Ultimate (UTS), MPa 120 to 240
110
Tensile Strength: Yield (Proof), MPa 46 to 220
60

Thermal Properties

Latent Heat of Fusion, J/g 400
540
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 640
560
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.6
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
25
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
54
Strength to Weight: Axial, points 12 to 24
12
Strength to Weight: Bending, points 20 to 31
20
Thermal Diffusivity, mm2/s 68
58
Thermal Shock Resistance, points 5.2 to 11
5.1

Alloy Composition

Aluminum (Al), % 96 to 99.5
85.8 to 90
Bismuth (Bi), % 0
0.020 to 0.2
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 0 to 0.7
0 to 0.8
Magnesium (Mg), % 0.2 to 0.8
1.0 to 2.0
Manganese (Mn), % 0.3 to 0.8
0 to 0.1
Silicon (Si), % 0 to 0.6
9.0 to 10.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0 to 0.2
Residuals, % 0
0 to 0.15