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AM50A Magnesium vs. C95400 Bronze

AM50A magnesium belongs to the magnesium alloys classification, while C95400 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 C95400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 11
8.1 to 16
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 17
43
Tensile Strength: Ultimate (UTS), MPa 210
600 to 710
Tensile Strength: Yield (Proof), MPa 120
240 to 360

Thermal Properties

Latent Heat of Fusion, J/g 350
230
Maximum Temperature: Mechanical, °C 120
230
Melting Completion (Liquidus), °C 620
1040
Melting Onset (Solidus), °C 570
1030
Specific Heat Capacity, J/kg-K 1000
440
Thermal Conductivity, W/m-K 65
59
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
13
Electrical Conductivity: Equal Weight (Specific), % IACS 88
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
27
Density, g/cm3 1.7
8.2
Embodied Carbon, kg CO2/kg material 23
3.2
Embodied Energy, MJ/kg 160
53
Embodied Water, L/kg 990
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
48 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250 to 560
Stiffness to Weight: Axial, points 15
7.7
Stiffness to Weight: Bending, points 71
20
Strength to Weight: Axial, points 35
20 to 24
Strength to Weight: Bending, points 47
19 to 22
Thermal Diffusivity, mm2/s 39
16
Thermal Shock Resistance, points 13
21 to 25

Alloy Composition


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Aluminum (Al), % 4.4 to 5.4
10 to 11.5
Copper (Cu), % 0 to 0.010
83 to 87
Iron (Fe), % 0 to 0.0040
3.0 to 5.0
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 0.5
Nickel (Ni), % 0 to 0.0020
0 to 1.5
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.22
0
Residuals, % 0
0 to 0.5