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EV31A Magnesium vs. C36500 Muntz Metal

EV31A magnesium belongs to the magnesium alloys classification, while C36500 Muntz Metal belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 EV31A magnesium and the bottom bar is C36500 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
100
Elongation at Break, % 3.5
40
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 17
39
Shear Strength, MPa 170
270
Tensile Strength: Ultimate (UTS), MPa 260
400
Tensile Strength: Yield (Proof), MPa 170
160

Thermal Properties

Maximum Temperature: Mechanical, °C 200
120
Melting Onset (Solidus), °C 590
890
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 86
120
Thermal Expansion, µm/m-K 27
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
28
Electrical Conductivity: Equal Weight (Specific), % IACS 90
32

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.0

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
120
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 65
20
Strength to Weight: Axial, points 40
14
Strength to Weight: Bending, points 50
15
Thermal Diffusivity, mm2/s 47
40
Thermal Shock Resistance, points 16
13