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2117 Aluminum vs. R04295 Alloy

2117 aluminum belongs to the aluminum alloys classification, while R04295 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 2117 aluminum and the bottom bar is R04295 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 26
22
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 27
37
Tensile Strength: Ultimate (UTS), MPa 300
410
Tensile Strength: Yield (Proof), MPa 170
300

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Specific Heat Capacity, J/kg-K 880
260
Thermal Expansion, µm/m-K 24
7.2

Otherwise Unclassified Properties

Density, g/cm3 3.0
9.0
Embodied Water, L/kg 1150
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
84
Resilience: Unit (Modulus of Resilience), kJ/m3 190
430
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 47
17
Strength to Weight: Axial, points 28
13
Strength to Weight: Bending, points 33
14
Thermal Shock Resistance, points 12
40

Alloy Composition

Aluminum (Al), % 91 to 97.6
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 4.5
0
Hafnium (Hf), % 0
9.0 to 11
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0.2 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
0
Niobium (Nb), % 0
85.9 to 90.3
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0.2 to 0.8
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.25
0.7 to 1.3
Tungsten (W), % 0
0 to 0.5
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0 to 0.7
Residuals, % 0 to 0.15
0