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C94500 Bronze vs. Z21721 Zinc

C94500 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 C94500 bronze and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 92
87
Elongation at Break, % 12
40
Poisson's Ratio 0.36
0.25
Shear Modulus, GPa 34
35
Tensile Strength: Ultimate (UTS), MPa 170
150
Tensile Strength: Yield (Proof), MPa 83
120

Thermal Properties

Latent Heat of Fusion, J/g 160
110
Maximum Temperature: Mechanical, °C 130
90
Melting Completion (Liquidus), °C 940
410
Melting Onset (Solidus), °C 800
390
Specific Heat Capacity, J/kg-K 330
390
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 20
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
37

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 9.3
6.6
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 51
53
Embodied Water, L/kg 380
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
57
Resilience: Unit (Modulus of Resilience), kJ/m3 37
88
Stiffness to Weight: Axial, points 5.5
7.3
Stiffness to Weight: Bending, points 16
22
Strength to Weight: Axial, points 5.2
6.4
Strength to Weight: Bending, points 7.4
9.6
Thermal Diffusivity, mm2/s 17
44
Thermal Shock Resistance, points 6.7
4.8

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0020
Antimony (Sb), % 0 to 0.8
0
Cadmium (Cd), % 0
0 to 0.070
Copper (Cu), % 66.7 to 78
0 to 0.0050
Iron (Fe), % 0 to 0.15
0 to 0.010
Lead (Pb), % 16 to 22
0 to 1.0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 6.0 to 8.0
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 1.2
98.9 to 100