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AM50A Magnesium vs. CC498K Bronze

AM50A magnesium belongs to the magnesium alloys classification, while CC498K 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 CC498K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
78
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 11
14
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 210
260
Tensile Strength: Yield (Proof), MPa 120
130

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
920
Specific Heat Capacity, J/kg-K 1000
370
Thermal Conductivity, W/m-K 65
73
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
32
Density, g/cm3 1.7
8.8
Embodied Carbon, kg CO2/kg material 23
3.2
Embodied Energy, MJ/kg 160
52
Embodied Water, L/kg 990
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
30
Resilience: Unit (Modulus of Resilience), kJ/m3 150
72
Stiffness to Weight: Axial, points 15
6.9
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 35
8.1
Strength to Weight: Bending, points 47
10
Thermal Diffusivity, mm2/s 39
22
Thermal Shock Resistance, points 13
9.3

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 0 to 0.010
85 to 90
Iron (Fe), % 0 to 0.0040
0 to 0.25
Lead (Pb), % 0
1.0 to 2.0
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 0 to 0.22
3.0 to 5.0