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Commercially Pure Zinc vs. C93400 Bronze

Commercially pure zinc belongs to the zinc alloys classification, while C93400 bronze belongs to the copper alloys.

For each property being compared, the top bar is commercially pure zinc and the bottom bar is C93400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
100
Elongation at Break, % 38
9.1
Poisson's Ratio 0.25
0.35
Shear Modulus, GPa 35
38
Tensile Strength: Ultimate (UTS), MPa 97
270
Tensile Strength: Yield (Proof), MPa 79
150

Thermal Properties

Latent Heat of Fusion, J/g 110
180
Maximum Temperature: Mechanical, °C 90
150
Melting Completion (Liquidus), °C 410
950
Melting Onset (Solidus), °C 400
850
Specific Heat Capacity, J/kg-K 390
350
Thermal Conductivity, W/m-K 110
58
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
12
Electrical Conductivity: Equal Weight (Specific), % IACS 37
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 6.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 53
54
Embodied Water, L/kg 340
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
21
Resilience: Unit (Modulus of Resilience), kJ/m3 36
120
Stiffness to Weight: Axial, points 7.4
6.3
Stiffness to Weight: Bending, points 23
17
Strength to Weight: Axial, points 4.1
8.3
Strength to Weight: Bending, points 7.1
10
Thermal Diffusivity, mm2/s 44
18
Thermal Shock Resistance, points 3.0
10

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.080
82 to 85
Iron (Fe), % 0 to 0.020
0 to 0.2
Lead (Pb), % 0 to 0.030
7.0 to 9.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.0030
7.0 to 9.0
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
0 to 0.8
Residuals, % 0
0 to 1.0