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C63020 Bronze vs. ZE63A Magnesium

C63020 bronze belongs to the copper alloys classification, while ZE63A magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 C63020 bronze and the bottom bar is ZE63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 6.8
7.7
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 44
17
Shear Strength, MPa 600
170
Tensile Strength: Ultimate (UTS), MPa 1020
300
Tensile Strength: Yield (Proof), MPa 740
190

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1070
510
Melting Onset (Solidus), °C 1020
390
Specific Heat Capacity, J/kg-K 450
950
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 18
27

Otherwise Unclassified Properties

Base Metal Price, % relative 29
22
Density, g/cm3 8.2
2.0
Embodied Carbon, kg CO2/kg material 3.6
24
Embodied Energy, MJ/kg 58
180
Embodied Water, L/kg 390
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
20
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
400
Stiffness to Weight: Axial, points 8.0
12
Stiffness to Weight: Bending, points 20
58
Strength to Weight: Axial, points 34
40
Strength to Weight: Bending, points 27
48
Thermal Diffusivity, mm2/s 11
57
Thermal Shock Resistance, points 35
17

Alloy Composition

Aluminum (Al), % 10 to 11
0
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
0 to 0.1
Iron (Fe), % 4.0 to 5.5
0
Lead (Pb), % 0 to 0.030
0
Magnesium (Mg), % 0
89.6 to 92
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.2 to 6.0
0 to 0.010
Tin (Sn), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.1 to 3.0
Zinc (Zn), % 0 to 0.3
5.5 to 6.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3