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6106 Aluminum vs. 4004 Aluminum

Both 6106 aluminum and 4004 aluminum are aluminum alloys. They have 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 (1, in this case) are not shown.

For each property being compared, the top bar is 6106 aluminum and the bottom bar is 4004 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 9.1
2.4
Fatigue Strength, MPa 88
42
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 170
63
Tensile Strength: Ultimate (UTS), MPa 290
110
Tensile Strength: Yield (Proof), MPa 220
60

Thermal Properties

Latent Heat of Fusion, J/g 400
540
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 610
560
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 190
130
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
33
Electrical Conductivity: Equal Weight (Specific), % IACS 160
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 370
25
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
54
Strength to Weight: Axial, points 29
12
Strength to Weight: Bending, points 35
20
Thermal Diffusivity, mm2/s 78
58
Thermal Shock Resistance, points 13
5.1

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
86 to 90
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 0.35
0 to 0.8
Magnesium (Mg), % 0.4 to 0.8
1.0 to 2.0
Manganese (Mn), % 0.050 to 0.2
0 to 0.1
Silicon (Si), % 0.3 to 0.6
9.0 to 10.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0 to 0.2
Residuals, % 0
0 to 0.15