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EN-MC21310 Magnesium vs. C27200 Brass

EN-MC21310 magnesium belongs to the magnesium alloys classification, while C27200 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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-MC21310 magnesium and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 9.0
10 to 50
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
40
Shear Strength, MPa 120
230 to 320
Tensile Strength: Ultimate (UTS), MPa 200
370 to 590
Tensile Strength: Yield (Proof), MPa 120
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 360
170
Maximum Temperature: Mechanical, °C 100
130
Melting Completion (Liquidus), °C 600
920
Melting Onset (Solidus), °C 560
870
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
28
Electrical Conductivity: Equal Weight (Specific), % IACS 120
31

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 1.6
8.1
Embodied Carbon, kg CO2/kg material 23
2.7
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 970
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110 to 810
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 73
19
Strength to Weight: Axial, points 34
13 to 20
Strength to Weight: Bending, points 47
14 to 19
Thermal Diffusivity, mm2/s 55
37
Thermal Shock Resistance, points 12
12 to 20

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0
Copper (Cu), % 0 to 0.010
62 to 65
Iron (Fe), % 0 to 0.0050
0 to 0.070
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0.7 to 1.2
0
Zinc (Zn), % 0 to 0.2
34.6 to 38
Residuals, % 0 to 0.010
0 to 0.3