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EV31A Magnesium vs. C26800 Brass

EV31A magnesium belongs to the magnesium alloys classification, while C26800 brass belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (17, 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 C26800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 260
310 to 650

Thermal Properties

Maximum Temperature: Mechanical, °C 200
130
Melting Onset (Solidus), °C 590
900
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 86
120
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
27
Electrical Conductivity: Equal Weight (Specific), % IACS 90
30

Otherwise Unclassified Properties

Density, g/cm3 1.8
8.1

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 65
19
Strength to Weight: Axial, points 40
11 to 22
Strength to Weight: Bending, points 50
13 to 21
Thermal Diffusivity, mm2/s 47
37
Thermal Shock Resistance, points 16
10 to 22