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EN AC-42000 Aluminum vs. R05240 Alloy

EN AC-42000 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 EN AC-42000 aluminum and the bottom bar is R05240 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
150
Elongation at Break, % 1.1 to 2.4
25
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
57
Tensile Strength: Ultimate (UTS), MPa 170 to 270
270
Tensile Strength: Yield (Proof), MPa 95 to 230
170

Thermal Properties

Latent Heat of Fusion, J/g 500
210
Specific Heat Capacity, J/kg-K 900
190
Thermal Expansion, µm/m-K 22
6.8

Otherwise Unclassified Properties

Density, g/cm3 2.6
14
Embodied Water, L/kg 1110
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
59
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
90
Stiffness to Weight: Axial, points 15
6.3
Stiffness to Weight: Bending, points 53
13
Strength to Weight: Axial, points 18 to 28
5.4
Strength to Weight: Bending, points 26 to 35
6.8
Thermal Shock Resistance, points 7.9 to 12
18

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.55
0 to 0.010
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.2 to 0.65
0
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 0
0 to 0.020
Nickel (Ni), % 0 to 0.15
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), % 6.5 to 7.5
0 to 0.0050
Tantalum (Ta), % 0
57.9 to 65
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0 to 0.010
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0