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7005 Aluminum vs. 5042 Aluminum

Both 7005 aluminum and 5042 aluminum are aluminum alloys. They have a very high 95% 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 7005 aluminum and the bottom bar is 5042 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 10 to 20
1.1 to 3.4
Fatigue Strength, MPa 100 to 190
97 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 120 to 230
200
Tensile Strength: Ultimate (UTS), MPa 200 to 400
340 to 360
Tensile Strength: Yield (Proof), MPa 95 to 350
270 to 310

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 140 to 170
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
3.6 to 12
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
550 to 720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 19 to 38
35 to 37
Strength to Weight: Bending, points 26 to 41
40 to 42
Thermal Diffusivity, mm2/s 54 to 65
53
Thermal Shock Resistance, points 8.7 to 18
15 to 16

Alloy Composition

Aluminum (Al), % 91 to 94.7
94.2 to 96.8
Chromium (Cr), % 0.060 to 0.2
0 to 0.1
Copper (Cu), % 0 to 0.1
0 to 0.15
Iron (Fe), % 0 to 0.4
0 to 0.35
Magnesium (Mg), % 1.0 to 1.8
3.0 to 4.0
Manganese (Mn), % 0.2 to 0.7
0.2 to 0.5
Silicon (Si), % 0 to 0.35
0 to 0.2
Titanium (Ti), % 0.010 to 0.060
0 to 0.1
Zinc (Zn), % 4.0 to 5.0
0 to 0.25
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0
0 to 0.15