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EN AC-71100 Aluminum vs. R60705 Alloy

EN AC-71100 aluminum belongs to the aluminum alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (11, 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-71100 aluminum and the bottom bar is R60705 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
98
Elongation at Break, % 1.1
18
Fatigue Strength, MPa 150
290
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
37
Tensile Strength: Ultimate (UTS), MPa 260
540
Tensile Strength: Yield (Proof), MPa 230
430

Thermal Properties

Latent Heat of Fusion, J/g 490
250
Specific Heat Capacity, J/kg-K 860
270
Thermal Expansion, µm/m-K 22
6.3

Otherwise Unclassified Properties

Density, g/cm3 2.9
6.7
Embodied Water, L/kg 1010
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
90
Resilience: Unit (Modulus of Resilience), kJ/m3 360
950
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 31
22
Thermal Shock Resistance, points 12
63

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.1
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.3
0 to 0.2
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 7.5 to 9.5
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Zirconium (Zr), % 0
91 to 98
Residuals, % 0 to 0.15
0