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7075 Aluminum vs. 355.0 Aluminum

Both 7075 aluminum and 355.0 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 (3, in this case) are not shown.

For each property being compared, the top bar is 7075 aluminum and the bottom bar is 355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 1.8 to 12
1.5 to 2.6
Fatigue Strength, MPa 110 to 190
55 to 70
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 150 to 340
150 to 240
Tensile Strength: Ultimate (UTS), MPa 240 to 590
200 to 260
Tensile Strength: Yield (Proof), MPa 120 to 510
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 380
470
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 480
560
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 130
150 to 170
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
38 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 98
120 to 140

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 44
2.7 to 5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 1870
150 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
51
Strength to Weight: Axial, points 22 to 54
20 to 27
Strength to Weight: Bending, points 28 to 52
28 to 33
Thermal Diffusivity, mm2/s 50
60 to 69
Thermal Shock Resistance, points 10 to 25
9.1 to 12

Alloy Composition

Aluminum (Al), % 86.9 to 91.4
90.3 to 94.1
Chromium (Cr), % 0.18 to 0.28
0 to 0.25
Copper (Cu), % 1.2 to 2.0
1.0 to 1.5
Iron (Fe), % 0 to 0.5
0 to 0.6
Magnesium (Mg), % 2.1 to 2.9
0.4 to 0.6
Manganese (Mn), % 0 to 0.3
0 to 0.5
Silicon (Si), % 0 to 0.4
4.5 to 5.5
Titanium (Ti), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 5.1 to 6.1
0 to 0.35
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15

Comparable Variants