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6065 Aluminum vs. 4004 Aluminum

Both 6065 aluminum and 4004 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 (1, in this case) are not shown.

For each property being compared, the top bar is 6065 aluminum and the bottom bar is 4004 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 4.5 to 11
2.4
Fatigue Strength, MPa 96 to 110
42
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 190 to 230
63
Tensile Strength: Ultimate (UTS), MPa 310 to 400
110
Tensile Strength: Yield (Proof), MPa 270 to 380
60

Thermal Properties

Latent Heat of Fusion, J/g 400
540
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 590
560
Specific Heat Capacity, J/kg-K 890
910
Thermal Conductivity, W/m-K 170
130
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.8
2.6
Embodied Carbon, kg CO2/kg material 8.4
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1200
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 34
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 1040
25
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
54
Strength to Weight: Axial, points 31 to 40
12
Strength to Weight: Bending, points 36 to 43
20
Thermal Diffusivity, mm2/s 67
58
Thermal Shock Resistance, points 14 to 18
5.1

Alloy Composition

Aluminum (Al), % 94.4 to 98.2
86 to 90
Bismuth (Bi), % 0.5 to 1.5
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0.15 to 0.4
0 to 0.25
Iron (Fe), % 0 to 0.7
0 to 0.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.8 to 1.2
1.0 to 2.0
Manganese (Mn), % 0 to 0.15
0 to 0.1
Silicon (Si), % 0.4 to 0.8
9.0 to 10.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.2
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0
0 to 0.15