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C95200 Bronze vs. Z21721 Zinc

C95200 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 C95200 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, % 29
40
Poisson's Ratio 0.34
0.25
Shear Modulus, GPa 42
35
Tensile Strength: Ultimate (UTS), MPa 520
150
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 230
110
Maximum Temperature: Mechanical, °C 220
90
Melting Completion (Liquidus), °C 1050
410
Melting Onset (Solidus), °C 1040
390
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 50
110
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 12
37

Otherwise Unclassified Properties

Base Metal Price, % relative 28
11
Density, g/cm3 8.3
6.6
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 50
53
Embodied Water, L/kg 380
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
57
Resilience: Unit (Modulus of Resilience), kJ/m3 170
88
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 17
6.4
Strength to Weight: Bending, points 17
9.6
Thermal Diffusivity, mm2/s 14
44
Thermal Shock Resistance, points 19
4.8

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.070
Copper (Cu), % 86 to 89
0 to 0.0050
Iron (Fe), % 2.5 to 4.0
0 to 0.010
Lead (Pb), % 0
0 to 1.0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
98.9 to 100
Residuals, % 0 to 1.0
0