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2014-O Aluminum vs. 7075-O Aluminum

Both 2014-O aluminum and 7075-O aluminum are aluminum alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 31 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 2014-O aluminum and the bottom bar is 7075-O aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
59
Elastic (Young's, Tensile) Modulus, GPa 72
70
Elongation at Break, % 16
12
Fatigue Strength, MPa 90
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
26
Shear Strength, MPa 130
150
Tensile Strength: Ultimate (UTS), MPa 190
240
Tensile Strength: Yield (Proof), MPa 100
120

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 870
870
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
98

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26
24
Resilience: Unit (Modulus of Resilience), kJ/m3 76
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 25
28
Thermal Diffusivity, mm2/s 58
50
Thermal Shock Resistance, points 8.4
10

Alloy Composition

Aluminum (Al), % 90.4 to 95
86.9 to 91.4
Chromium (Cr), % 0 to 0.1
0.18 to 0.28
Copper (Cu), % 3.9 to 5.0
1.2 to 2.0
Iron (Fe), % 0 to 0.7
0 to 0.5
Magnesium (Mg), % 0.2 to 0.8
2.1 to 2.9
Manganese (Mn), % 0.4 to 1.2
0 to 0.3
Silicon (Si), % 0.5 to 1.2
0 to 0.4
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.25
5.1 to 6.1
Zirconium (Zr), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15