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ZC63A Magnesium vs. C28500 Muntz Metal

ZC63A magnesium belongs to the magnesium alloys classification, while C28500 Muntz Metal belongs to the copper alloys. There are 29 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 ZC63A magnesium and the bottom bar is C28500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
100
Elongation at Break, % 3.3
20
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 19
40
Shear Strength, MPa 130
320
Tensile Strength: Ultimate (UTS), MPa 220
520
Tensile Strength: Yield (Proof), MPa 130
380

Thermal Properties

Latent Heat of Fusion, J/g 330
170
Maximum Temperature: Mechanical, °C 98
110
Melting Completion (Liquidus), °C 550
900
Melting Onset (Solidus), °C 470
890
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
29
Electrical Conductivity: Equal Weight (Specific), % IACS 140
33

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 920
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
94
Resilience: Unit (Modulus of Resilience), kJ/m3 190
700
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 58
20
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 38
18
Thermal Diffusivity, mm2/s 58
33
Thermal Shock Resistance, points 12
17

Alloy Composition


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Copper (Cu), % 2.4 to 3.0
57 to 59
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 5.5 to 6.5
39.5 to 43
Residuals, % 0 to 0.3
0 to 0.9