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EN-MC65220 Magnesium vs. C23400 Brass

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C23400 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 C23400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
42
Tensile Strength: Ultimate (UTS), MPa 270
370 to 640

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 610
970
Melting Onset (Solidus), °C 550
930
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
19

Otherwise Unclassified Properties

Base Metal Price, % relative 80
27
Density, g/cm3 1.9
8.5
Embodied Carbon, kg CO2/kg material 27
2.6
Embodied Energy, MJ/kg 210
43

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
12 to 21
Strength to Weight: Bending, points 49
13 to 19
Thermal Diffusivity, mm2/s 61
36
Thermal Shock Resistance, points 17
12 to 22

Alloy Composition


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Copper (Cu), % 0.050 to 0.1
81 to 84
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.050
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
15.7 to 19
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.2