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C67500 Bronze vs. ZC63A Magnesium

C67500 bronze belongs to the copper alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C67500 bronze and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
48
Elongation at Break, % 14 to 33
3.3
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 40
19
Shear Strength, MPa 270 to 350
130
Tensile Strength: Ultimate (UTS), MPa 430 to 580
220
Tensile Strength: Yield (Proof), MPa 170 to 370
130

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 120
98
Melting Completion (Liquidus), °C 890
550
Melting Onset (Solidus), °C 870
470
Specific Heat Capacity, J/kg-K 390
950
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 21
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
32
Electrical Conductivity: Equal Weight (Specific), % IACS 27
140

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 8.0
2.1
Embodied Carbon, kg CO2/kg material 2.8
22
Embodied Energy, MJ/kg 47
150
Embodied Water, L/kg 330
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 130
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 650
190
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
58
Strength to Weight: Axial, points 15 to 20
29
Strength to Weight: Bending, points 16 to 19
38
Thermal Diffusivity, mm2/s 34
58
Thermal Shock Resistance, points 14 to 19
12

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Copper (Cu), % 57 to 60
2.4 to 3.0
Iron (Fe), % 0.8 to 2.0
0
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0.050 to 0.5
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 35.1 to 41.7
5.5 to 6.5
Residuals, % 0
0 to 0.3