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2124 Aluminum vs. R04295 Alloy

2124 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 (12, 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 2124 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, % 5.7
22
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 27
37
Tensile Strength: Ultimate (UTS), MPa 490
410
Tensile Strength: Yield (Proof), MPa 430
300

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Specific Heat Capacity, J/kg-K 880
260
Thermal Expansion, µm/m-K 23
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 27
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
430
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 46
17
Strength to Weight: Axial, points 45
13
Strength to Weight: Bending, points 46
14
Thermal Shock Resistance, points 21
40

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
0
Hafnium (Hf), % 0
9.0 to 11
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
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 to 0.2
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.15
0.7 to 1.3
Tungsten (W), % 0
0 to 0.5
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
0 to 0.7
Residuals, % 0 to 0.15
0