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C28500 Muntz Metal vs. 707.0 Aluminum

C28500 Muntz Metal belongs to the copper alloys classification, while 707.0 aluminum belongs to the aluminum 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 C28500 Muntz Metal and the bottom bar is 707.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
90.5 to 93.6
Chromium (Cr), % 0
0.2 to 0.4
Copper (Cu), % 57 to 59
0 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.8
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
1.8 to 2.4
Manganese (Mn), % 0
0.4 to 0.6
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 39.5 to 43
4.0 to 4.5
Residuals, % 0
0 to 0.15