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7075 Aluminum vs. 2095 Aluminum

Both 7075 aluminum and 2095 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 (2, in this case) are not shown.

For each property being compared, the top bar is 7075 aluminum and the bottom bar is 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 1.8 to 12
8.5
Fatigue Strength, MPa 110 to 190
200
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 150 to 340
410
Tensile Strength: Ultimate (UTS), MPa 240 to 590
700
Tensile Strength: Yield (Proof), MPa 120 to 510
610

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 480
540
Specific Heat Capacity, J/kg-K 870
910
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
35
Electrical Conductivity: Equal Weight (Specific), % IACS 98
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 3.0
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.6
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
1470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8 to 44
57
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 1870
2640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
46
Strength to Weight: Axial, points 22 to 54
65
Strength to Weight: Bending, points 28 to 52
59
Thermal Diffusivity, mm2/s 50
49
Thermal Shock Resistance, points 10 to 25
31

Alloy Composition

Aluminum (Al), % 86.9 to 91.4
91.3 to 94.9
Chromium (Cr), % 0.18 to 0.28
0
Copper (Cu), % 1.2 to 2.0
3.9 to 4.6
Iron (Fe), % 0 to 0.5
0 to 0.15
Lithium (Li), % 0
0.7 to 1.5
Magnesium (Mg), % 2.1 to 2.9
0.25 to 0.8
Manganese (Mn), % 0 to 0.3
0 to 0.25
Silicon (Si), % 0 to 0.4
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 5.1 to 6.1
0 to 0.25
Zirconium (Zr), % 0 to 0.25
0.040 to 0.18
Residuals, % 0
0 to 0.15