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ZC63A Magnesium vs. C67300 Bronze

ZC63A magnesium belongs to the magnesium alloys classification, while C67300 bronze belongs to the copper alloys. There are 29 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 C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
12
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 19
41
Shear Strength, MPa 130
300
Tensile Strength: Ultimate (UTS), MPa 220
500
Tensile Strength: Yield (Proof), MPa 130
340

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 98
130
Melting Completion (Liquidus), °C 550
870
Melting Onset (Solidus), °C 470
830
Specific Heat Capacity, J/kg-K 950
390
Thermal Conductivity, W/m-K 120
95
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
22
Electrical Conductivity: Equal Weight (Specific), % IACS 140
25

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 2.1
8.0
Embodied Carbon, kg CO2/kg material 22
2.7
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 920
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
55
Resilience: Unit (Modulus of Resilience), kJ/m3 190
550
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 58
20
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 38
17
Thermal Diffusivity, mm2/s 58
30
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Copper (Cu), % 2.4 to 3.0
58 to 63
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0.4 to 3.0
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
2.0 to 3.5
Nickel (Ni), % 0 to 0.010
0 to 0.25
Silicon (Si), % 0 to 0.2
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 5.5 to 6.5
27.2 to 39.1
Residuals, % 0 to 0.3
0 to 0.5