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C86300 Bronze vs. Z21721 Zinc

C86300 bronze belongs to the copper alloys classification, while Z21721 zinc belongs to the zinc alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
87
Elongation at Break, % 14
40
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 42
35
Tensile Strength: Ultimate (UTS), MPa 850
150
Tensile Strength: Yield (Proof), MPa 480
120

Thermal Properties

Latent Heat of Fusion, J/g 200
110
Maximum Temperature: Mechanical, °C 160
90
Melting Completion (Liquidus), °C 920
410
Melting Onset (Solidus), °C 890
390
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 35
110
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
37

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 7.8
6.6
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
57
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
88
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 20
22
Strength to Weight: Axial, points 30
6.4
Strength to Weight: Bending, points 25
9.6
Thermal Diffusivity, mm2/s 11
44
Thermal Shock Resistance, points 28
4.8

Alloy Composition


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Aluminum (Al), % 5.0 to 7.5
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Copper (Cu), % 60 to 66
0 to 0.0050
Iron (Fe), % 2.0 to 4.0
0 to 0.010
Lead (Pb), % 0 to 0.2
0 to 1.0
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 1.0
0
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 22 to 28
98.9 to 100
Residuals, % 0 to 1.0
0