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5021 Aluminum vs. 4007 Aluminum

Both 5021 aluminum and 4007 aluminum are aluminum alloys. They have a very high 97% 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 5021 aluminum and the bottom bar is 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.1 to 3.4
5.1 to 23
Fatigue Strength, MPa 85 to 110
46 to 88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 170
80 to 90
Tensile Strength: Ultimate (UTS), MPa 300 to 310
130 to 160
Tensile Strength: Yield (Proof), MPa 240 to 270
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 590
590
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 140
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
42
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.8
Embodied Carbon, kg CO2/kg material 8.6
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 10
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 550
18 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 30 to 32
12 to 15
Strength to Weight: Bending, points 37
20 to 23
Thermal Diffusivity, mm2/s 57
67
Thermal Shock Resistance, points 13 to 14
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 95.2 to 97.7
94.1 to 97.6
Chromium (Cr), % 0 to 0.15
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 0 to 0.5
0.4 to 1.0
Magnesium (Mg), % 2.2 to 2.8
0 to 0.2
Manganese (Mn), % 0.1 to 0.5
0.8 to 1.5
Nickel (Ni), % 0
0.15 to 0.7
Silicon (Si), % 0 to 0.4
1.0 to 1.7
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.15
0 to 0.1
Residuals, % 0
0 to 0.15