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2095 Aluminum vs. R05240 Alloy

2095 aluminum belongs to the aluminum alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 2095 aluminum and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
150
Elongation at Break, % 8.5
25
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
57
Tensile Strength: Ultimate (UTS), MPa 700
270
Tensile Strength: Yield (Proof), MPa 610
170

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Specific Heat Capacity, J/kg-K 910
190
Thermal Expansion, µm/m-K 23
6.8

Otherwise Unclassified Properties

Density, g/cm3 3.0
14
Embodied Water, L/kg 1470
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
59
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
90
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 46
13
Strength to Weight: Axial, points 65
5.4
Strength to Weight: Bending, points 59
6.8
Thermal Shock Resistance, points 31
18

Alloy Composition

Aluminum (Al), % 91.3 to 94.9
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 3.9 to 4.6
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.15
0 to 0.010
Lithium (Li), % 0.7 to 1.5
0
Magnesium (Mg), % 0.25 to 0.8
0
Manganese (Mn), % 0 to 0.25
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 0
35 to 42
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.020
Silicon (Si), % 0 to 0.12
0 to 0.0050
Silver (Ag), % 0.25 to 0.6
0
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0 to 0.1
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.18
0
Residuals, % 0 to 0.15
0