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EN-MC65120 Magnesium vs. C41500 Brass

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C41500 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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-MC65120 magnesium and the bottom bar is C41500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
2.0 to 42
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
42
Shear Strength, MPa 92
220 to 360
Tensile Strength: Ultimate (UTS), MPa 160
340 to 560
Tensile Strength: Yield (Proof), MPa 110
190 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 590
1030
Melting Onset (Solidus), °C 520
1010
Specific Heat Capacity, J/kg-K 970
380
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 120
29

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 1.9
8.7
Embodied Carbon, kg CO2/kg material 25
2.8
Embodied Energy, MJ/kg 190
45
Embodied Water, L/kg 930
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
11 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160 to 1340
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 23
11 to 18
Strength to Weight: Bending, points 34
12 to 17
Thermal Diffusivity, mm2/s 56
37
Thermal Shock Resistance, points 9.8
12 to 20

Alloy Composition


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Copper (Cu), % 0 to 0.030
89 to 93
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0
Tin (Sn), % 0
1.5 to 2.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
4.2 to 9.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5