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C355.0 Aluminum vs. 7075 Aluminum

Both C355.0 aluminum and 7075 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C355.0 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, % 2.7 to 3.8
1.8 to 12
Fatigue Strength, MPa 76 to 84
110 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 290 to 310
240 to 590
Tensile Strength: Yield (Proof), MPa 200 to 230
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 470
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 570
480
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
98

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.5 to 9.8
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 380
110 to 1870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
46
Strength to Weight: Axial, points 30 to 32
22 to 54
Strength to Weight: Bending, points 36 to 37
28 to 52
Thermal Diffusivity, mm2/s 60
50
Thermal Shock Resistance, points 13 to 14
10 to 25

Alloy Composition

Aluminum (Al), % 91.7 to 94.1
86.9 to 91.4
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 1.0 to 1.5
1.2 to 2.0
Iron (Fe), % 0 to 0.2
0 to 0.5
Magnesium (Mg), % 0.4 to 0.6
2.1 to 2.9
Manganese (Mn), % 0 to 0.1
0 to 0.3
Silicon (Si), % 4.5 to 5.5
0 to 0.4
Titanium (Ti), % 0 to 0.2
0 to 0.2
Zinc (Zn), % 0 to 0.1
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants