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5050 Aluminum vs. 7050 Aluminum

Both 5050 aluminum and 7050 aluminum are aluminum alloys. They have a moderately high 92% 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 5050 aluminum and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 1.7 to 22
2.2 to 12
Fatigue Strength, MPa 45 to 100
130 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 91 to 140
280 to 330
Tensile Strength: Ultimate (UTS), MPa 140 to 250
490 to 570
Tensile Strength: Yield (Proof), MPa 50 to 210
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 630
490
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 190
140
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50
35
Electrical Conductivity: Equal Weight (Specific), % IACS 170
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.4
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1 to 24
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 330
1110 to 1760
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 15 to 26
45 to 51
Strength to Weight: Bending, points 22 to 33
45 to 50
Thermal Diffusivity, mm2/s 79
54
Thermal Shock Resistance, points 6.3 to 11
21 to 25

Alloy Composition

Aluminum (Al), % 96.3 to 98.9
87.3 to 92.1
Chromium (Cr), % 0 to 0.1
0 to 0.040
Copper (Cu), % 0 to 0.2
2.0 to 2.6
Iron (Fe), % 0 to 0.7
0 to 0.15
Magnesium (Mg), % 1.1 to 1.8
1.9 to 2.6
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.12
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.25
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15