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AM50A Magnesium vs. C94500 Bronze

AM50A magnesium belongs to the magnesium alloys classification, while C94500 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 C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 58
50
Elastic (Young's, Tensile) Modulus, GPa 45
92
Elongation at Break, % 11
12
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 17
34
Tensile Strength: Ultimate (UTS), MPa 210
170
Tensile Strength: Yield (Proof), MPa 120
83

Thermal Properties

Latent Heat of Fusion, J/g 350
160
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 620
940
Melting Onset (Solidus), °C 570
800
Specific Heat Capacity, J/kg-K 1000
330
Thermal Conductivity, W/m-K 65
52
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
10
Electrical Conductivity: Equal Weight (Specific), % IACS 88
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 1.7
9.3
Embodied Carbon, kg CO2/kg material 23
3.2
Embodied Energy, MJ/kg 160
51
Embodied Water, L/kg 990
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
17
Resilience: Unit (Modulus of Resilience), kJ/m3 150
37
Stiffness to Weight: Axial, points 15
5.5
Stiffness to Weight: Bending, points 71
16
Strength to Weight: Axial, points 35
5.2
Strength to Weight: Bending, points 47
7.4
Thermal Diffusivity, mm2/s 39
17
Thermal Shock Resistance, points 13
6.7

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 0 to 0.010
66.7 to 78
Iron (Fe), % 0 to 0.0040
0 to 0.15
Lead (Pb), % 0
16 to 22
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 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 0 to 0.22
0 to 1.2