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Commercially Pure Zinc vs. C86100 Bronze

Commercially pure zinc belongs to the zinc alloys classification, while C86100 bronze belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much.

For each property being compared, the top bar is commercially pure zinc and the bottom bar is C86100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 38
20
Poisson's Ratio 0.25
0.32
Shear Modulus, GPa 35
43
Tensile Strength: Ultimate (UTS), MPa 97
660
Tensile Strength: Yield (Proof), MPa 79
350

Thermal Properties

Latent Heat of Fusion, J/g 110
200
Maximum Temperature: Mechanical, °C 90
170
Melting Completion (Liquidus), °C 410
940
Melting Onset (Solidus), °C 400
900
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 110
35
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 6.6
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 53
49
Embodied Water, L/kg 340
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
110
Resilience: Unit (Modulus of Resilience), kJ/m3 36
530
Stiffness to Weight: Axial, points 7.4
7.8
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 4.1
23
Strength to Weight: Bending, points 7.1
21
Thermal Diffusivity, mm2/s 44
10
Thermal Shock Resistance, points 3.0
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
4.5 to 5.5
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.080
66 to 68
Iron (Fe), % 0 to 0.020
2.0 to 4.0
Lead (Pb), % 0 to 0.030
0 to 0.1
Manganese (Mn), % 0
2.5 to 5.0
Tin (Sn), % 0 to 0.0030
0 to 0.1
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
17.3 to 25