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707.0 Aluminum vs. C28500 Muntz Metal

707.0 aluminum belongs to the aluminum alloys classification, while C28500 Muntz Metal belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 707.0 aluminum and the bottom bar is C28500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 1.7 to 3.4
20
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 270 to 300
520
Tensile Strength: Yield (Proof), MPa 170 to 250
380

Thermal Properties

Latent Heat of Fusion, J/g 380
170
Maximum Temperature: Mechanical, °C 180
110
Melting Completion (Liquidus), °C 630
900
Melting Onset (Solidus), °C 600
890
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
29
Electrical Conductivity: Equal Weight (Specific), % IACS 110
33

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3 to 8.6
94
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 430
700
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 26 to 29
18
Strength to Weight: Bending, points 32 to 34
18
Thermal Diffusivity, mm2/s 58
33
Thermal Shock Resistance, points 12 to 13
17

Alloy Composition

Aluminum (Al), % 90.5 to 93.6
0
Chromium (Cr), % 0.2 to 0.4
0
Copper (Cu), % 0 to 0.2
57 to 59
Iron (Fe), % 0 to 0.8
0 to 0.35
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 1.8 to 2.4
0
Manganese (Mn), % 0.4 to 0.6
0
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 4.5
39.5 to 43
Residuals, % 0
0 to 0.9