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EV31A Magnesium vs. CC480K Bronze

EV31A magnesium belongs to the magnesium alloys classification, while CC480K bronze 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 CC480K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
88
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 3.5
13
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 260
300
Tensile Strength: Yield (Proof), MPa 170
180

Thermal Properties

Maximum Temperature: Mechanical, °C 200
170
Melting Onset (Solidus), °C 590
900
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 86
63
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
11
Electrical Conductivity: Equal Weight (Specific), % IACS 90
11

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
35
Resilience: Unit (Modulus of Resilience), kJ/m3 330
140
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 65
18
Strength to Weight: Axial, points 40
9.6
Strength to Weight: Bending, points 50
11
Thermal Diffusivity, mm2/s 47
20
Thermal Shock Resistance, points 16
11