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5056 Aluminum vs. R04295 Alloy

5056 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 5056 aluminum and the bottom bar is R04295 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
100
Elongation at Break, % 4.9 to 31
22
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 25
37
Tensile Strength: Ultimate (UTS), MPa 290 to 460
410
Tensile Strength: Yield (Proof), MPa 150 to 410
300

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Specific Heat Capacity, J/kg-K 910
260
Thermal Expansion, µm/m-K 24
7.2

Otherwise Unclassified Properties

Density, g/cm3 2.7
9.0
Embodied Water, L/kg 1180
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 140
84
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 1220
430
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 51
17
Strength to Weight: Axial, points 30 to 48
13
Strength to Weight: Bending, points 36 to 50
14
Thermal Shock Resistance, points 13 to 20
40

Alloy Composition

Aluminum (Al), % 93 to 95.4
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0
Hafnium (Hf), % 0
9.0 to 11
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.050 to 0.2
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 0.3
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.7 to 1.3
Tungsten (W), % 0
0 to 0.5
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
0 to 0.7
Residuals, % 0 to 0.15
0