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3105 Aluminum vs. R60704 Alloy

3105 aluminum belongs to the aluminum alloys classification, while R60704 alloy belongs to the otherwise unclassified metals. There are 20 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 3105 aluminum and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
97
Elongation at Break, % 1.1 to 20
16
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
36
Tensile Strength: Ultimate (UTS), MPa 120 to 240
470
Tensile Strength: Yield (Proof), MPa 46 to 220
270

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Specific Heat Capacity, J/kg-K 900
270
Thermal Conductivity, W/m-K 170
22
Thermal Expansion, µm/m-K 24
6.0

Otherwise Unclassified Properties

Density, g/cm3 2.8
6.7
Embodied Water, L/kg 1180
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
64
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
370
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 12 to 24
20
Strength to Weight: Bending, points 20 to 31
20
Thermal Diffusivity, mm2/s 68
12
Thermal Shock Resistance, points 5.2 to 11
58

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.2
0.2 to 0.4
Copper (Cu), % 0 to 0.3
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.7
0.2 to 0.4
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
1.0 to 2.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0
Zirconium (Zr), % 0
93 to 98.8
Residuals, % 0 to 0.15
0