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EN-MC32110 Magnesium vs. C84800 Brass

EN-MC32110 magnesium belongs to the magnesium alloys classification, while C84800 brass belongs to the copper alloys. There are 28 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-MC32110 magnesium and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
100
Elongation at Break, % 2.2
18
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
39
Tensile Strength: Ultimate (UTS), MPa 220
230
Tensile Strength: Yield (Proof), MPa 140
100

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 99
150
Melting Completion (Liquidus), °C 600
950
Melting Onset (Solidus), °C 500
830
Specific Heat Capacity, J/kg-K 950
370
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
16
Electrical Conductivity: Equal Weight (Specific), % IACS 140
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
27
Density, g/cm3 2.1
8.6
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 920
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
34
Resilience: Unit (Modulus of Resilience), kJ/m3 210
53
Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 58
18
Strength to Weight: Axial, points 29
7.3
Strength to Weight: Bending, points 38
9.6
Thermal Diffusivity, mm2/s 58
23
Thermal Shock Resistance, points 12
8.2

Alloy Composition

Aluminum (Al), % 0 to 0.2
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 2.4 to 3.0
75 to 77
Iron (Fe), % 0 to 0.050
0 to 0.4
Lead (Pb), % 0
5.5 to 7.0
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 3.0
Zinc (Zn), % 5.5 to 6.5
13 to 17
Residuals, % 0
0 to 0.7