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AM50A Magnesium vs. CC481K Bronze

AM50A magnesium belongs to the magnesium alloys classification, while CC481K 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 AM50A magnesium and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
90
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 11
4.5
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
40
Tensile Strength: Ultimate (UTS), MPa 210
350
Tensile Strength: Yield (Proof), MPa 120
180

Thermal Properties

Latent Heat of Fusion, J/g 350
190
Maximum Temperature: Mechanical, °C 120
170
Melting Completion (Liquidus), °C 620
1000
Melting Onset (Solidus), °C 570
880
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 65
64
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
10
Electrical Conductivity: Equal Weight (Specific), % IACS 88
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
35
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
3.7
Embodied Energy, MJ/kg 160
60
Embodied Water, L/kg 990
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
13
Resilience: Unit (Modulus of Resilience), kJ/m3 150
150
Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 35
11
Strength to Weight: Bending, points 47
13
Thermal Diffusivity, mm2/s 39
20
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Copper (Cu), % 0 to 0.010
87 to 89.5
Iron (Fe), % 0 to 0.0040
0 to 0.1
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 0.050
Nickel (Ni), % 0 to 0.0020
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 11.5
Zinc (Zn), % 0 to 0.22
0 to 0.5