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EN-MC65120 Magnesium vs. C36500 Muntz Metal

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C36500 Muntz Metal belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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-MC65120 magnesium and the bottom bar is C36500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 3.1
40
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 17
39
Shear Strength, MPa 92
270
Tensile Strength: Ultimate (UTS), MPa 160
400
Tensile Strength: Yield (Proof), MPa 110
160

Thermal Properties

Latent Heat of Fusion, J/g 330
170
Maximum Temperature: Mechanical, °C 180
120
Melting Completion (Liquidus), °C 590
900
Melting Onset (Solidus), °C 520
890
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 120
32

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 1.9
8.0
Embodied Carbon, kg CO2/kg material 25
2.7
Embodied Energy, MJ/kg 190
46
Embodied Water, L/kg 930
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
120
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 62
20
Strength to Weight: Axial, points 23
14
Strength to Weight: Bending, points 34
15
Thermal Diffusivity, mm2/s 56
40
Thermal Shock Resistance, points 9.8
13

Alloy Composition


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Copper (Cu), % 0 to 0.030
58 to 61
Iron (Fe), % 0 to 0.010
0 to 0.15
Lead (Pb), % 0
0.25 to 0.7
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.25
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
37.5 to 41.8
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.4