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EV31A Magnesium vs. C22600 Bronze

EV31A magnesium belongs to the magnesium alloys classification, while C22600 bronze belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (12, 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 C22600 bronze.

EV31A (EV31A-T6, M12310) MagnesiumUNS C22600 Jewelry Bronze
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 3.5
2.5 to 33
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 17
42
Shear Strength, MPa 170
220 to 320
Tensile Strength: Ultimate (UTS), MPa 260
330 to 570
Tensile Strength: Yield (Proof), MPa 170
270 to 490

Thermal Properties

Maximum Temperature: Mechanical, °C 200
170
Melting Onset (Solidus), °C 590
1000
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 86
170
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
40
Electrical Conductivity: Equal Weight (Specific), % IACS 90
42

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
14 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 330
330 to 1070
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 65
19
Strength to Weight: Axial, points 40
11 to 18
Strength to Weight: Bending, points 50
12 to 18
Thermal Diffusivity, mm2/s 47
52
Thermal Shock Resistance, points 16
11 to 19