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Commercially Pure Zinc vs. CC755S Brass

Commercially pure zinc belongs to the zinc alloys classification, while CC755S brass belongs to the copper alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. 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 commercially pure zinc and the bottom bar is CC755S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
100
Elongation at Break, % 38
9.5
Poisson's Ratio 0.25
0.31
Shear Modulus, GPa 35
40
Tensile Strength: Ultimate (UTS), MPa 97
390
Tensile Strength: Yield (Proof), MPa 79
250

Thermal Properties

Latent Heat of Fusion, J/g 110
170
Maximum Temperature: Mechanical, °C 90
120
Melting Completion (Liquidus), °C 410
820
Melting Onset (Solidus), °C 400
780
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
27
Electrical Conductivity: Equal Weight (Specific), % IACS 37
30

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 6.6
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
33
Resilience: Unit (Modulus of Resilience), kJ/m3 36
290
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 4.1
14
Strength to Weight: Bending, points 7.1
15
Thermal Diffusivity, mm2/s 44
38
Thermal Shock Resistance, points 3.0
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0.4 to 0.7
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.080
59.5 to 61
Iron (Fe), % 0 to 0.020
0.050 to 0.2
Lead (Pb), % 0 to 0.030
1.2 to 1.7
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0 to 0.0030
0 to 0.3
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
35.8 to 38.9