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EV31A Magnesium vs. C17200 Copper

EV31A magnesium belongs to the magnesium alloys classification, while C17200 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 C17200 copper.

EV31A (EV31A-T6, M12310) MagnesiumUNS C17200 (CW101C) Beryllium Copper
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
120
Elongation at Break, % 3.5
1.1 to 37
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 17
45
Shear Strength, MPa 170
330 to 780
Tensile Strength: Ultimate (UTS), MPa 260
480 to 1380
Tensile Strength: Yield (Proof), MPa 170
160 to 1250

Thermal Properties

Maximum Temperature: Mechanical, °C 200
280
Melting Onset (Solidus), °C 590
870
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 86
110
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
22
Electrical Conductivity: Equal Weight (Specific), % IACS 90
23

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
4.2 to 500
Resilience: Unit (Modulus of Resilience), kJ/m3 330
110 to 5720
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 65
19
Strength to Weight: Axial, points 40
15 to 44
Strength to Weight: Bending, points 50
16 to 31
Thermal Diffusivity, mm2/s 47
31
Thermal Shock Resistance, points 16
16 to 46