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357.0 Aluminum vs. 7075 Aluminum

Both 357.0 aluminum and 7075 aluminum are aluminum alloys. They have a moderately high 90% 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 357.0 aluminum and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 3.4
1.8 to 12
Fatigue Strength, MPa 76
110 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 200
150 to 340
Tensile Strength: Ultimate (UTS), MPa 350
240 to 590
Tensile Strength: Yield (Proof), MPa 300
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 500
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 560
480
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
33
Electrical Conductivity: Equal Weight (Specific), % IACS 140
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.6
3.0
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 620
110 to 1870
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
46
Strength to Weight: Axial, points 38
22 to 54
Strength to Weight: Bending, points 43
28 to 52
Thermal Diffusivity, mm2/s 64
50
Thermal Shock Resistance, points 17
10 to 25

Alloy Composition

Aluminum (Al), % 91.3 to 93.1
86.9 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0 to 0.050
1.2 to 2.0
Iron (Fe), % 0 to 0.15
0 to 0.5
Magnesium (Mg), % 0.45 to 0.6
2.1 to 2.9
Manganese (Mn), % 0 to 0.030
0 to 0.3
Silicon (Si), % 6.5 to 7.5
0 to 0.4
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.050
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15