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ZC63A Magnesium vs. C87700 Bronze

ZC63A magnesium belongs to the magnesium alloys classification, while C87700 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 ZC63A magnesium and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
3.6
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
42
Tensile Strength: Ultimate (UTS), MPa 220
300
Tensile Strength: Yield (Proof), MPa 130
120

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 98
180
Melting Completion (Liquidus), °C 550
980
Melting Onset (Solidus), °C 470
900
Specific Heat Capacity, J/kg-K 950
400
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
45
Electrical Conductivity: Equal Weight (Specific), % IACS 140
48

Otherwise Unclassified Properties

Base Metal Price, % relative 13
29
Density, g/cm3 2.1
8.5
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 920
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 190
64
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 58
19
Strength to Weight: Axial, points 29
9.8
Strength to Weight: Bending, points 38
12
Thermal Diffusivity, mm2/s 58
34
Thermal Shock Resistance, points 12
11

Alloy Composition


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Antimony (Sb), % 0
0 to 0.1
Copper (Cu), % 2.4 to 3.0
87.5 to 90.5
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 0.8
Nickel (Ni), % 0 to 0.010
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 0 to 0.2
2.5 to 3.5
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 5.5 to 6.5
7.0 to 9.0
Residuals, % 0 to 0.3
0 to 0.8