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C95400 Bronze vs. ZC63A Magnesium

C95400 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 C95400 bronze and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 200
60
Elastic (Young's, Tensile) Modulus, GPa 110
48
Elongation at Break, % 8.1 to 16
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
19
Tensile Strength: Ultimate (UTS), MPa 600 to 710
220
Tensile Strength: Yield (Proof), MPa 240 to 360
130

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 230
98
Melting Completion (Liquidus), °C 1040
550
Melting Onset (Solidus), °C 1030
470
Specific Heat Capacity, J/kg-K 440
950
Thermal Conductivity, W/m-K 59
120
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
32
Electrical Conductivity: Equal Weight (Specific), % IACS 14
140

Otherwise Unclassified Properties

Base Metal Price, % relative 27
13
Density, g/cm3 8.2
2.1
Embodied Carbon, kg CO2/kg material 3.2
22
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 390
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 75
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 560
190
Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 20
58
Strength to Weight: Axial, points 20 to 24
29
Strength to Weight: Bending, points 19 to 22
38
Thermal Diffusivity, mm2/s 16
58
Thermal Shock Resistance, points 21 to 25
12

Alloy Composition

Aluminum (Al), % 10 to 11.5
0
Copper (Cu), % 83 to 87
2.4 to 3.0
Iron (Fe), % 3.0 to 5.0
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 0.5
0.25 to 0.75
Nickel (Ni), % 0 to 1.5
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3