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4006 Aluminum vs. 6105 Aluminum

Both 4006 aluminum and 6105 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 4006 aluminum and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 3.4 to 24
9.0 to 16
Fatigue Strength, MPa 35 to 110
95 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 70 to 91
120 to 170
Tensile Strength: Ultimate (UTS), MPa 110 to 160
190 to 280
Tensile Strength: Yield (Proof), MPa 62 to 140
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 620
600
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 220
180 to 190
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 180
150 to 170

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.1 to 26
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 130
100 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 11 to 16
20 to 29
Strength to Weight: Bending, points 19 to 24
28 to 35
Thermal Diffusivity, mm2/s 89
72 to 79
Thermal Shock Resistance, points 4.9 to 7.0
8.6 to 12

Alloy Composition

Aluminum (Al), % 97.4 to 98.7
97.2 to 99
Chromium (Cr), % 0 to 0.2
0 to 0.1
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0.5 to 0.8
0 to 0.35
Magnesium (Mg), % 0 to 0.010
0.45 to 0.8
Manganese (Mn), % 0 to 0.050
0 to 0.1
Silicon (Si), % 0.8 to 1.2
0.6 to 1.0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.050
0 to 0.1
Residuals, % 0
0 to 0.15