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EV31A Magnesium vs. C31600 Bronze

EV31A magnesium belongs to the magnesium alloys classification, while C31600 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 C31600 bronze.

EV31A (EV31A-T6, M12310) MagnesiumUNS C31600 Nickel-Bearing Leaded Hardware Bronze
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 3.5
6.7 to 28
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 17
42
Shear Strength, MPa 170
170 to 270
Tensile Strength: Ultimate (UTS), MPa 260
270 to 460
Tensile Strength: Yield (Proof), MPa 170
80 to 390

Thermal Properties

Maximum Temperature: Mechanical, °C 200
180
Melting Onset (Solidus), °C 590
1010
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 86
140
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
32
Electrical Conductivity: Equal Weight (Specific), % IACS 90
33

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
30 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 330
28 to 690
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 65
18
Strength to Weight: Axial, points 40
8.5 to 15
Strength to Weight: Bending, points 50
11 to 15
Thermal Diffusivity, mm2/s 47
42
Thermal Shock Resistance, points 16
9.4 to 16