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ZC63A Magnesium vs. C91000 Bronze

ZC63A magnesium belongs to the magnesium alloys classification, while C91000 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 ZC63A magnesium and the bottom bar is C91000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
180
Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
7.0
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 19
39
Tensile Strength: Ultimate (UTS), MPa 220
230
Tensile Strength: Yield (Proof), MPa 130
150

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 98
160
Melting Completion (Liquidus), °C 550
960
Melting Onset (Solidus), °C 470
820
Specific Heat Capacity, J/kg-K 950
360
Thermal Conductivity, W/m-K 120
64
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
37
Density, g/cm3 2.1
8.6
Embodied Carbon, kg CO2/kg material 22
4.1
Embodied Energy, MJ/kg 150
67
Embodied Water, L/kg 920
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
14
Resilience: Unit (Modulus of Resilience), kJ/m3 190
100
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 58
18
Strength to Weight: Axial, points 29
7.5
Strength to Weight: Bending, points 38
9.7
Thermal Diffusivity, mm2/s 58
20
Thermal Shock Resistance, points 12
8.8

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 2.4 to 3.0
84 to 86
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0
Nickel (Ni), % 0 to 0.010
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
14 to 16
Zinc (Zn), % 5.5 to 6.5
0 to 1.5
Residuals, % 0 to 0.3
0 to 0.6