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C65100 Bronze vs. ZK60A Magnesium

C65100 bronze belongs to the copper alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C65100 bronze and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
46
Elongation at Break, % 2.4 to 50
4.5 to 9.9
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
18
Shear Strength, MPa 200 to 350
170 to 190
Tensile Strength: Ultimate (UTS), MPa 280 to 560
320 to 330
Tensile Strength: Yield (Proof), MPa 95 to 440
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1060
600
Melting Onset (Solidus), °C 1030
550
Specific Heat Capacity, J/kg-K 390
960
Thermal Conductivity, W/m-K 57
120
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 12
140

Otherwise Unclassified Properties

Base Metal Price, % relative 30
13
Density, g/cm3 8.8
1.9
Embodied Carbon, kg CO2/kg material 2.6
23
Embodied Energy, MJ/kg 41
160
Embodied Water, L/kg 300
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 39 to 820
570 to 690
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
63
Strength to Weight: Axial, points 8.7 to 18
47 to 49
Strength to Weight: Bending, points 11 to 17
55 to 56
Thermal Diffusivity, mm2/s 16
66
Thermal Shock Resistance, points 9.5 to 19
19 to 20

Alloy Composition

Copper (Cu), % 94.5 to 99.2
0
Iron (Fe), % 0 to 0.8
0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
92.5 to 94.8
Manganese (Mn), % 0 to 0.7
0
Silicon (Si), % 0.8 to 2.0
0
Zinc (Zn), % 0 to 1.5
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3