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EV31A Magnesium vs. C69710 Brass

EV31A magnesium belongs to the magnesium alloys classification, while C69710 brass 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 C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 3.5
25
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 17
41
Shear Strength, MPa 170
300
Tensile Strength: Ultimate (UTS), MPa 260
470
Tensile Strength: Yield (Proof), MPa 170
230

Thermal Properties

Maximum Temperature: Mechanical, °C 200
160
Melting Onset (Solidus), °C 590
880
Specific Heat Capacity, J/kg-K 1000
400
Thermal Conductivity, W/m-K 86
40
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.7

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.3

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
99
Resilience: Unit (Modulus of Resilience), kJ/m3 330
250
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 65
19
Strength to Weight: Axial, points 40
16
Strength to Weight: Bending, points 50
16
Thermal Diffusivity, mm2/s 47
12
Thermal Shock Resistance, points 16
16