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2095 Aluminum vs. 2618 Aluminum

Both 2095 aluminum and 2618 aluminum are aluminum alloys. They have a very high 96% 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 2095 aluminum and the bottom bar is 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 8.5
5.8
Fatigue Strength, MPa 200
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 410
260
Tensile Strength: Ultimate (UTS), MPa 700
420
Tensile Strength: Yield (Proof), MPa 610
350

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 210
210
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 540
550
Specific Heat Capacity, J/kg-K 910
880
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
37
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 3.0
2.9
Embodied Carbon, kg CO2/kg material 8.6
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1470
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
23
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
47
Strength to Weight: Axial, points 65
40
Strength to Weight: Bending, points 59
42
Thermal Diffusivity, mm2/s 49
62
Thermal Shock Resistance, points 31
19

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
92.4 to 94.9
Copper (Cu), % 3.9 to 4.6
1.9 to 2.7
Iron (Fe), % 0 to 0.15
0.9 to 1.3
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
1.3 to 1.8
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0
0.9 to 1.2
Silicon (Si), % 0 to 0.12
0.1 to 0.25
Silver (Ag), % 0.25 to 0.6
0
Titanium (Ti), % 0 to 0.1
0.040 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.1
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0
0 to 0.15