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C67300 Bronze vs. ZC63A Magnesium

C67300 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 (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 C67300 bronze and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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