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C91000 Bronze vs. Z21721 Zinc

C91000 bronze belongs to the copper alloys classification, while Z21721 zinc belongs to the zinc 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 C91000 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, % 7.0
40
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 39
35
Tensile Strength: Ultimate (UTS), MPa 230
150
Tensile Strength: Yield (Proof), MPa 150
120

Thermal Properties

Latent Heat of Fusion, J/g 180
110
Maximum Temperature: Mechanical, °C 160
90
Melting Completion (Liquidus), °C 960
410
Melting Onset (Solidus), °C 820
390
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 64
110
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
37

Otherwise Unclassified Properties

Base Metal Price, % relative 37
11
Density, g/cm3 8.6
6.6
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 67
53
Embodied Water, L/kg 420
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
57
Resilience: Unit (Modulus of Resilience), kJ/m3 100
88
Stiffness to Weight: Axial, points 6.8
7.3
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 7.5
6.4
Strength to Weight: Bending, points 9.7
9.6
Thermal Diffusivity, mm2/s 20
44
Thermal Shock Resistance, points 8.8
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0020
Antimony (Sb), % 0 to 0.2
0
Cadmium (Cd), % 0
0 to 0.070
Copper (Cu), % 84 to 86
0 to 0.0050
Iron (Fe), % 0 to 0.1
0 to 0.010
Lead (Pb), % 0 to 0.2
0 to 1.0
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 14 to 16
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 1.5
98.9 to 100
Residuals, % 0 to 0.6
0