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390.0 Aluminum vs. R05240 Alloy

390.0 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 (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 390.0 aluminum and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
150
Elongation at Break, % 1.0
25
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 28
57
Tensile Strength: Ultimate (UTS), MPa 280 to 300
270
Tensile Strength: Yield (Proof), MPa 240 to 270
170

Thermal Properties

Latent Heat of Fusion, J/g 640
210
Specific Heat Capacity, J/kg-K 880
190
Thermal Expansion, µm/m-K 18
6.8

Otherwise Unclassified Properties

Density, g/cm3 2.7
14
Embodied Water, L/kg 950
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 2.9
59
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 470
90
Stiffness to Weight: Axial, points 15
6.3
Stiffness to Weight: Bending, points 52
13
Strength to Weight: Axial, points 28 to 30
5.4
Strength to Weight: Bending, points 35 to 36
6.8
Thermal Shock Resistance, points 14 to 15
18

Alloy Composition

Aluminum (Al), % 74.5 to 79.6
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 1.3
0 to 0.010
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
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), % 16 to 18
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0 to 0.2
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0