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4032 Aluminum vs. 7075 Aluminum

Both 4032 aluminum and 7075 aluminum are aluminum alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 4032 aluminum and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 6.7
1.8 to 12
Fatigue Strength, MPa 110
110 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
26
Shear Strength, MPa 260
150 to 340
Tensile Strength: Ultimate (UTS), MPa 390
240 to 590
Tensile Strength: Yield (Proof), MPa 320
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 570
380
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 570
640
Melting Onset (Solidus), °C 530
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
98

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.6
3.0
Embodied Carbon, kg CO2/kg material 7.8
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1030
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 700
110 to 1870
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
46
Strength to Weight: Axial, points 41
22 to 54
Strength to Weight: Bending, points 45
28 to 52
Thermal Diffusivity, mm2/s 59
50
Thermal Shock Resistance, points 20
10 to 25

Alloy Composition


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Aluminum (Al), % 81.1 to 87.2
86.9 to 91.4
Chromium (Cr), % 0 to 0.1
0.18 to 0.28
Copper (Cu), % 0.5 to 1.3
1.2 to 2.0
Iron (Fe), % 0 to 1.0
0 to 0.5
Magnesium (Mg), % 0.8 to 1.3
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0.5 to 1.3
0
Silicon (Si), % 11 to 13.5
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.25
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15