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EN-MC32110 Magnesium vs. C85400 Brass

EN-MC32110 magnesium belongs to the magnesium alloys classification, while C85400 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C85400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
55
Elastic (Young's, Tensile) Modulus, GPa 49
100
Elongation at Break, % 2.2
23
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
40
Tensile Strength: Ultimate (UTS), MPa 220
220
Tensile Strength: Yield (Proof), MPa 140
85

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 99
130
Melting Completion (Liquidus), °C 600
940
Melting Onset (Solidus), °C 500
940
Specific Heat Capacity, J/kg-K 950
380
Thermal Conductivity, W/m-K 120
89
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
20
Electrical Conductivity: Equal Weight (Specific), % IACS 140
22

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 2.1
8.3
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 920
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
40
Resilience: Unit (Modulus of Resilience), kJ/m3 210
35
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
7.5
Strength to Weight: Bending, points 38
9.9
Thermal Diffusivity, mm2/s 58
28
Thermal Shock Resistance, points 12
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.2
0 to 0.35
Copper (Cu), % 2.4 to 3.0
65 to 70
Iron (Fe), % 0 to 0.050
0 to 0.7
Lead (Pb), % 0
1.5 to 3.8
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
Silicon (Si), % 0 to 0.2
0 to 0.050
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 5.5 to 6.5
24 to 32
Residuals, % 0
0 to 1.1