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Z21721 Zinc vs. C91100 Bronze

Z21721 zinc belongs to the zinc alloys classification, while C91100 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is Z21721 zinc and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
100
Elongation at Break, % 40
2.0
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 35
39
Tensile Strength: Ultimate (UTS), MPa 150
240
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 110
180
Maximum Temperature: Mechanical, °C 90
160
Melting Completion (Liquidus), °C 410
950
Melting Onset (Solidus), °C 390
820
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 110
63
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
38
Density, g/cm3 6.6
8.7
Embodied Carbon, kg CO2/kg material 2.8
4.2
Embodied Energy, MJ/kg 53
69
Embodied Water, L/kg 340
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 88
140
Stiffness to Weight: Axial, points 7.3
6.7
Stiffness to Weight: Bending, points 22
18
Strength to Weight: Axial, points 6.4
7.7
Strength to Weight: Bending, points 9.6
9.9
Thermal Diffusivity, mm2/s 44
20
Thermal Shock Resistance, points 4.8
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Cadmium (Cd), % 0 to 0.070
0
Copper (Cu), % 0 to 0.0050
82 to 85
Iron (Fe), % 0 to 0.010
0 to 0.25
Lead (Pb), % 0 to 1.0
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
15 to 17
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 98.9 to 100
0 to 0.25