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C67400 Bronze vs. ZC63A Magnesium

C67400 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 C67400 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, % 22 to 28
3.3
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
19
Shear Strength, MPa 310 to 350
130
Tensile Strength: Ultimate (UTS), MPa 480 to 610
220
Tensile Strength: Yield (Proof), MPa 250 to 370
130

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Copper (Cu), % 57 to 60
2.4 to 3.0
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 0 to 0.5
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), % 31.1 to 40
5.5 to 6.5
Residuals, % 0
0 to 0.3