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4104 Aluminum vs. 6082 Aluminum

Both 4104 aluminum and 6082 aluminum are aluminum alloys. They have a moderately high 90% 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 4104 aluminum and the bottom bar is 6082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 2.4
6.3 to 18
Fatigue Strength, MPa 42
55 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 63
84 to 220
Tensile Strength: Ultimate (UTS), MPa 110
140 to 340
Tensile Strength: Yield (Proof), MPa 60
85 to 320

Thermal Properties

Latent Heat of Fusion, J/g 540
410
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 560
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
42
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1080
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
19 to 43
Resilience: Unit (Modulus of Resilience), kJ/m3 25
52 to 710
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
50
Strength to Weight: Axial, points 12
14 to 35
Strength to Weight: Bending, points 20
21 to 40
Thermal Diffusivity, mm2/s 58
67
Thermal Shock Resistance, points 5.1
6.0 to 15

Alloy Composition

Aluminum (Al), % 85.8 to 90
95.2 to 98.3
Bismuth (Bi), % 0.020 to 0.2
0
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.8
0 to 0.5
Magnesium (Mg), % 1.0 to 2.0
0.6 to 1.2
Manganese (Mn), % 0 to 0.1
0.4 to 1.0
Silicon (Si), % 9.0 to 10.5
0.7 to 1.3
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.2
Residuals, % 0
0 to 0.15