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EN AC-42000 Aluminum vs. R60704 Alloy

EN AC-42000 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 (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 EN AC-42000 aluminum and the bottom bar is R60704 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
97
Elongation at Break, % 1.1 to 2.4
16
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
36
Tensile Strength: Ultimate (UTS), MPa 170 to 270
470
Tensile Strength: Yield (Proof), MPa 95 to 230
270

Thermal Properties

Latent Heat of Fusion, J/g 500
240
Specific Heat Capacity, J/kg-K 900
270
Thermal Conductivity, W/m-K 160
22
Thermal Expansion, µm/m-K 22
6.0

Otherwise Unclassified Properties

Density, g/cm3 2.6
6.7
Embodied Water, L/kg 1110
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 5.7
64
Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 370
370
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 53
23
Strength to Weight: Axial, points 18 to 28
20
Strength to Weight: Bending, points 26 to 35
20
Thermal Diffusivity, mm2/s 66
12
Thermal Shock Resistance, points 7.9 to 12
58

Alloy Composition

Aluminum (Al), % 89.9 to 93.3
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 0 to 0.2
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.55
0.2 to 0.4
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0.2 to 0.65
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.15
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 6.5 to 7.5
0
Tin (Sn), % 0 to 0.050
1.0 to 2.0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0
93 to 98.8
Residuals, % 0 to 0.15
0