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5042 Aluminum vs. 6008 Aluminum

Both 5042 aluminum and 6008 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is 5042 aluminum and the bottom bar is 6008 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 1.1 to 3.4
9.1 to 17
Fatigue Strength, MPa 97 to 120
55 to 88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 200
120 to 170
Tensile Strength: Ultimate (UTS), MPa 340 to 360
200 to 290
Tensile Strength: Yield (Proof), MPa 270 to 310
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 130
190
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
49
Electrical Conductivity: Equal Weight (Specific), % IACS 110
160

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.8
8.5
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6 to 12
24 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
76 to 360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 35 to 37
21 to 29
Strength to Weight: Bending, points 40 to 42
28 to 35
Thermal Diffusivity, mm2/s 53
77
Thermal Shock Resistance, points 15 to 16
9.0 to 13

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
96.5 to 99.1
Chromium (Cr), % 0 to 0.1
0 to 0.3
Copper (Cu), % 0 to 0.15
0 to 0.3
Iron (Fe), % 0 to 0.35
0 to 0.35
Magnesium (Mg), % 3.0 to 4.0
0.4 to 0.7
Manganese (Mn), % 0.2 to 0.5
0 to 0.3
Silicon (Si), % 0 to 0.2
0.5 to 0.9
Titanium (Ti), % 0 to 0.1
0 to 0.1
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15