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EN-MC65220 Magnesium vs. C26800 Brass

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C26800 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 EN-MC65220 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 0.29
0.31
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 270
310 to 650

Thermal Properties

Latent Heat of Fusion, J/g 340
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 610
930
Melting Onset (Solidus), °C 550
900
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 120
30

Otherwise Unclassified Properties

Base Metal Price, % relative 80
24
Density, g/cm3 1.9
8.1
Embodied Carbon, kg CO2/kg material 27
2.7
Embodied Energy, MJ/kg 210
45

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
11 to 22
Strength to Weight: Bending, points 49
13 to 21
Thermal Diffusivity, mm2/s 61
37
Thermal Shock Resistance, points 17
10 to 22

Alloy Composition


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Copper (Cu), % 0.050 to 0.1
64 to 68.5
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 1.3 to 1.7
0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
31 to 36
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.3