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R60704 Alloy vs. A390.0 Aluminum

R60704 alloy belongs to the otherwise unclassified metals classification, while A390.0 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 R60704 alloy and the bottom bar is A390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 97
75
Elongation at Break, % 16
0.87 to 0.91
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 36
28
Tensile Strength: Ultimate (UTS), MPa 470
190 to 290
Tensile Strength: Yield (Proof), MPa 270
190 to 290

Thermal Properties

Latent Heat of Fusion, J/g 240
640
Specific Heat Capacity, J/kg-K 270
880
Thermal Conductivity, W/m-K 22
130
Thermal Expansion, µm/m-K 6.0
20

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.7
Embodied Water, L/kg 460
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
1.6 to 2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 370
240 to 580
Stiffness to Weight: Axial, points 8.1
15
Stiffness to Weight: Bending, points 23
52
Strength to Weight: Axial, points 20
19 to 30
Strength to Weight: Bending, points 20
27 to 36
Thermal Diffusivity, mm2/s 12
56
Thermal Shock Resistance, points 58
9.0 to 14

Alloy Composition

Aluminum (Al), % 0
75.3 to 79.6
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0
4.0 to 5.0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0.2 to 0.4
0 to 0.5
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
16 to 18
Tin (Sn), % 1.0 to 2.0
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 93 to 98.8
0
Residuals, % 0
0 to 0.2