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EV31A Magnesium vs. C32000 Brass

EV31A magnesium belongs to the magnesium alloys classification, while C32000 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 C32000 brass.

EV31A (EV31A-T6, M12310) MagnesiumUNS C32000 Leaded Red Brass
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 3.5
6.8 to 29
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 17
41
Shear Strength, MPa 170
180 to 280
Tensile Strength: Ultimate (UTS), MPa 260
270 to 470
Tensile Strength: Yield (Proof), MPa 170
78 to 390

Thermal Properties

Maximum Temperature: Mechanical, °C 200
170
Melting Onset (Solidus), °C 590
990
Specific Heat Capacity, J/kg-K 1000
380
Thermal Conductivity, W/m-K 86
160
Thermal Expansion, µm/m-K 27
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
36
Electrical Conductivity: Equal Weight (Specific), % IACS 90
37

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 330
28 to 680
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 65
18
Strength to Weight: Axial, points 40
8.8 to 15
Strength to Weight: Bending, points 50
11 to 16
Thermal Diffusivity, mm2/s 47
47
Thermal Shock Resistance, points 16
9.5 to 16