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4045 Aluminum vs. 6008 Aluminum

Both 4045 aluminum and 6008 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 4045 aluminum and the bottom bar is 6008 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 2.3
9.1 to 17
Fatigue Strength, MPa 45
55 to 88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 69
120 to 170
Tensile Strength: Ultimate (UTS), MPa 120
200 to 290
Tensile Strength: Yield (Proof), MPa 64
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 540
410
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 580
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 170
190
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
49
Electrical Conductivity: Equal Weight (Specific), % IACS 160
160

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.7
Embodied Carbon, kg CO2/kg material 7.8
8.5
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1070
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
24 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 29
76 to 360
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
50
Strength to Weight: Axial, points 13
21 to 29
Strength to Weight: Bending, points 21
28 to 35
Thermal Diffusivity, mm2/s 74
77
Thermal Shock Resistance, points 5.7
9.0 to 13

Alloy Composition

Aluminum (Al), % 87.4 to 91
96.5 to 99.1
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 0 to 0.8
0 to 0.35
Magnesium (Mg), % 0 to 0.050
0.4 to 0.7
Manganese (Mn), % 0 to 0.050
0 to 0.3
Silicon (Si), % 9.0 to 11
0.5 to 0.9
Titanium (Ti), % 0 to 0.2
0 to 0.1
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.2
Residuals, % 0
0 to 0.15