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204.0 Aluminum vs. R60704 Alloy

204.0 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 (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 204.0 aluminum and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
97
Elongation at Break, % 5.7 to 7.8
16
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 230 to 340
470
Tensile Strength: Yield (Proof), MPa 180 to 220
270

Thermal Properties

Latent Heat of Fusion, J/g 390
240
Specific Heat Capacity, J/kg-K 880
270
Thermal Conductivity, W/m-K 120
22
Thermal Expansion, µm/m-K 19
6.0

Otherwise Unclassified Properties

Density, g/cm3 3.0
6.7
Embodied Water, L/kg 1150
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
64
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 350
370
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 21 to 31
20
Strength to Weight: Bending, points 28 to 36
20
Thermal Diffusivity, mm2/s 46
12
Thermal Shock Resistance, points 12 to 18
58

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 4.2 to 5.0
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.35
0.2 to 0.4
Magnesium (Mg), % 0.15 to 0.35
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.050
1.0 to 2.0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
93 to 98.8
Residuals, % 0 to 0.15
0