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355.0 Aluminum vs. R05240 Alloy

355.0 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 (14, 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 355.0 aluminum and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
150
Elongation at Break, % 1.5 to 2.6
25
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 27
57
Tensile Strength: Ultimate (UTS), MPa 200 to 260
270
Tensile Strength: Yield (Proof), MPa 150 to 190
170

Thermal Properties

Latent Heat of Fusion, J/g 470
210
Specific Heat Capacity, J/kg-K 890
190
Thermal Expansion, µm/m-K 22
6.8

Otherwise Unclassified Properties

Density, g/cm3 2.7
14
Embodied Water, L/kg 1120
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.7 to 5.9
59
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 250
90
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 51
13
Strength to Weight: Axial, points 20 to 27
5.4
Strength to Weight: Bending, points 28 to 33
6.8
Thermal Shock Resistance, points 9.1 to 12
18

Alloy Composition

Aluminum (Al), % 90.3 to 94.1
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 1.0 to 1.5
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.6
0 to 0.010
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.5
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), % 4.5 to 5.5
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Titanium (Ti), % 0 to 0.25
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0