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ZC63A Magnesium vs. C67400 Bronze

ZC63A magnesium belongs to the magnesium alloys classification, while C67400 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 C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
110
Elongation at Break, % 3.3
22 to 28
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 19
41
Shear Strength, MPa 130
310 to 350
Tensile Strength: Ultimate (UTS), MPa 220
480 to 610
Tensile Strength: Yield (Proof), MPa 130
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 330
190
Maximum Temperature: Mechanical, °C 98
130
Melting Completion (Liquidus), °C 550
890
Melting Onset (Solidus), °C 470
870
Specific Heat Capacity, J/kg-K 950
400
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
23
Electrical Conductivity: Equal Weight (Specific), % IACS 140
26

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
2.8
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 920
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
300 to 660
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 58
20
Strength to Weight: Axial, points 29
17 to 22
Strength to Weight: Bending, points 38
17 to 20
Thermal Diffusivity, mm2/s 58
32
Thermal Shock Resistance, points 12
16 to 20

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Copper (Cu), % 2.4 to 3.0
57 to 60
Iron (Fe), % 0
0 to 0.35
Lead (Pb), % 0
0 to 0.5
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
31.1 to 40
Residuals, % 0 to 0.3
0 to 0.5