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C63020 Bronze vs. ZE41A Magnesium

C63020 bronze belongs to the copper alloys classification, while ZE41A 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 ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
45
Elongation at Break, % 6.8
3.3
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 44
18
Shear Strength, MPa 600
150
Tensile Strength: Ultimate (UTS), MPa 1020
210
Tensile Strength: Yield (Proof), MPa 740
140

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 230
150
Melting Completion (Liquidus), °C 1070
640
Melting Onset (Solidus), °C 1020
540
Specific Heat Capacity, J/kg-K 450
970
Thermal Conductivity, W/m-K 40
110
Thermal Expansion, µm/m-K 18
27

Otherwise Unclassified Properties

Base Metal Price, % relative 29
18
Density, g/cm3 8.2
1.9
Embodied Carbon, kg CO2/kg material 3.6
24
Embodied Energy, MJ/kg 58
170
Embodied Water, L/kg 390
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
220
Stiffness to Weight: Axial, points 8.0
13
Stiffness to Weight: Bending, points 20
63
Strength to Weight: Axial, points 34
31
Strength to Weight: Bending, points 27
41
Thermal Diffusivity, mm2/s 11
59
Thermal Shock Resistance, points 35
12

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
91.7 to 95.4
Manganese (Mn), % 0 to 1.5
0 to 0.15
Nickel (Ni), % 4.2 to 6.0
0 to 0.010
Tin (Sn), % 0 to 0.25
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0 to 0.3
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3