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380.0 Aluminum vs. 7050 Aluminum

Both 380.0 aluminum and 7050 aluminum are aluminum alloys. They have 89% 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 380.0 aluminum and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
70
Elongation at Break, % 3.0
2.2 to 12
Fatigue Strength, MPa 140
130 to 210
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
26
Shear Strength, MPa 190
280 to 330
Tensile Strength: Ultimate (UTS), MPa 320
490 to 570
Tensile Strength: Yield (Proof), MPa 160
390 to 500

Thermal Properties

Latent Heat of Fusion, J/g 510
370
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 540
490
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 100
140
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
35
Electrical Conductivity: Equal Weight (Specific), % IACS 83
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 2.9
3.1
Embodied Carbon, kg CO2/kg material 7.5
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
10 to 55
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1110 to 1760
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
45
Strength to Weight: Axial, points 31
45 to 51
Strength to Weight: Bending, points 36
45 to 50
Thermal Diffusivity, mm2/s 40
54
Thermal Shock Resistance, points 14
21 to 25

Alloy Composition


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Aluminum (Al), % 79.6 to 89.5
87.3 to 92.1
Chromium (Cr), % 0
0 to 0.040
Copper (Cu), % 3.0 to 4.0
2.0 to 2.6
Iron (Fe), % 0 to 2.0
0 to 0.15
Magnesium (Mg), % 0 to 0.1
1.9 to 2.6
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.5
0
Silicon (Si), % 7.5 to 9.5
0 to 0.12
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 3.0
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0 to 0.5
0 to 0.15