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EN-MC65120 Magnesium vs. CC332G Bronze

EN-MC65120 magnesium belongs to the magnesium alloys classification, while CC332G bronze 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-MC65120 magnesium and the bottom bar is CC332G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
130
Elastic (Young's, Tensile) Modulus, GPa 45
120
Elongation at Break, % 3.1
22
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 160
620
Tensile Strength: Yield (Proof), MPa 110
250

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 590
1060
Melting Onset (Solidus), °C 520
1010
Specific Heat Capacity, J/kg-K 970
440
Thermal Conductivity, W/m-K 100
45
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 1.9
8.3
Embodied Carbon, kg CO2/kg material 25
3.4
Embodied Energy, MJ/kg 190
55
Embodied Water, L/kg 930
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
270
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 62
20
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 34
19
Thermal Diffusivity, mm2/s 56
12
Thermal Shock Resistance, points 9.8
21

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Copper (Cu), % 0 to 0.030
80 to 86
Iron (Fe), % 0 to 0.010
1.0 to 3.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 91.8 to 95.1
0 to 0.050
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.0050
1.5 to 4.0
Silicon (Si), % 0 to 0.010
0 to 0.2
Tin (Sn), % 0
0 to 0.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0