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EN-MC65210 Magnesium vs. CC491K Bronze

EN-MC65210 magnesium belongs to the magnesium alloys classification, while CC491K bronze belongs to the copper alloys. There are 27 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-MC65210 magnesium and the bottom bar is CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
73
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.8
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 270
260
Tensile Strength: Yield (Proof), MPa 200
120

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 610
980
Melting Onset (Solidus), °C 540
900
Specific Heat Capacity, J/kg-K 970
370
Thermal Conductivity, W/m-K 110
71
Thermal Expansion, µm/m-K 26
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
15
Electrical Conductivity: Equal Weight (Specific), % IACS 110
15

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.9
Embodied Carbon, kg CO2/kg material 27
3.1
Embodied Energy, MJ/kg 220
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
27
Resilience: Unit (Modulus of Resilience), kJ/m3 450
67
Stiffness to Weight: Axial, points 12
6.7
Stiffness to Weight: Bending, points 59
18
Strength to Weight: Axial, points 38
8.1
Strength to Weight: Bending, points 47
10
Thermal Diffusivity, mm2/s 58
22
Thermal Shock Resistance, points 17
9.3

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 0 to 0.030
81 to 87
Iron (Fe), % 0 to 0.010
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.010
0 to 0.010
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
4.0 to 6.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0