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EN-MC65220 Magnesium vs. CC498K Bronze

EN-MC65220 magnesium belongs to the magnesium alloys classification, while CC498K bronze 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-MC65220 magnesium and the bottom bar is CC498K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
78
Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
14
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 270
260
Tensile Strength: Yield (Proof), MPa 200
130

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 610
1000
Melting Onset (Solidus), °C 550
920
Specific Heat Capacity, J/kg-K 980
370
Thermal Conductivity, W/m-K 110
73
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
10
Electrical Conductivity: Equal Weight (Specific), % IACS 120
10

Otherwise Unclassified Properties

Base Metal Price, % relative 80
32
Density, g/cm3 1.9
8.8
Embodied Carbon, kg CO2/kg material 27
3.2
Embodied Energy, MJ/kg 210
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
30
Resilience: Unit (Modulus of Resilience), kJ/m3 450
72
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 62
18
Strength to Weight: Axial, points 40
8.1
Strength to Weight: Bending, points 49
10
Thermal Diffusivity, mm2/s 61
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), % 0.050 to 0.1
85 to 90
Iron (Fe), % 0 to 0.010
0 to 0.25
Lead (Pb), % 0
1.0 to 2.0
Magnesium (Mg), % 93.8 to 96.8
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.010
0 to 0.010
Silver (Ag), % 1.3 to 1.7
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.5 to 6.5
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
3.0 to 5.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0