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EV31A Magnesium vs. C99500 Copper

EV31A magnesium belongs to the magnesium alloys classification, while C99500 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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 C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 3.5
13
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 17
45
Tensile Strength: Ultimate (UTS), MPa 260
540
Tensile Strength: Yield (Proof), MPa 170
310

Thermal Properties

Maximum Temperature: Mechanical, °C 200
210
Melting Onset (Solidus), °C 590
1040
Specific Heat Capacity, J/kg-K 1000
400
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
10
Electrical Conductivity: Equal Weight (Specific), % IACS 90
10

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
63
Resilience: Unit (Modulus of Resilience), kJ/m3 330
410
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 65
19
Strength to Weight: Axial, points 40
17
Strength to Weight: Bending, points 50
17
Thermal Shock Resistance, points 16
19