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3104 Aluminum vs. 6106 Aluminum

Both 3104 aluminum and 6106 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is 3104 aluminum and the bottom bar is 6106 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 1.1 to 20
9.1
Fatigue Strength, MPa 74 to 130
88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 110 to 180
170
Tensile Strength: Ultimate (UTS), MPa 170 to 310
290
Tensile Strength: Yield (Proof), MPa 68 to 270
220

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 600
610
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
190
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
49
Electrical Conductivity: Equal Weight (Specific), % IACS 130
160

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 60
24
Resilience: Unit (Modulus of Resilience), kJ/m3 34 to 540
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 17 to 31
29
Strength to Weight: Bending, points 25 to 37
35
Thermal Diffusivity, mm2/s 64
78
Thermal Shock Resistance, points 7.6 to 13
13

Alloy Composition

Aluminum (Al), % 95.1 to 98.4
97.2 to 99.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0.050 to 0.25
0 to 0.25
Gallium (Ga), % 0 to 0.050
0
Iron (Fe), % 0 to 0.8
0 to 0.35
Magnesium (Mg), % 0.8 to 1.3
0.4 to 0.8
Manganese (Mn), % 0.8 to 1.4
0.050 to 0.2
Silicon (Si), % 0 to 0.6
0.3 to 0.6
Titanium (Ti), % 0 to 0.1
0 to 0.1
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.25
0 to 0.15
Residuals, % 0
0 to 0.15