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AM60A Magnesium vs. C91100 Bronze

AM60A magnesium belongs to the magnesium alloys classification, while C91100 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 AM60A magnesium and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 8.8
2.0
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
39
Tensile Strength: Ultimate (UTS), MPa 230
240
Tensile Strength: Yield (Proof), MPa 130
170

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 620
950
Melting Onset (Solidus), °C 550
820
Specific Heat Capacity, J/kg-K 1000
360
Thermal Conductivity, W/m-K 62
63
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 69
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
38
Density, g/cm3 1.7
8.7
Embodied Carbon, kg CO2/kg material 23
4.2
Embodied Energy, MJ/kg 160
69
Embodied Water, L/kg 990
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 15
6.7
Stiffness to Weight: Bending, points 71
18
Strength to Weight: Axial, points 37
7.7
Strength to Weight: Bending, points 49
9.9
Thermal Diffusivity, mm2/s 37
20
Thermal Shock Resistance, points 14
9.1

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 0 to 0.35
82 to 85
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 91.8 to 94.4
0
Manganese (Mn), % 0.13 to 0.6
0
Nickel (Ni), % 0 to 0.030
0 to 0.5
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
15 to 17
Zinc (Zn), % 0 to 0.22
0 to 0.25