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Commercially Pure Zinc vs. CC751S Brass

Commercially pure zinc belongs to the zinc alloys classification, while CC751S brass belongs to the copper alloys. They have a modest 32% 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 CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 38
5.6
Poisson's Ratio 0.25
0.31
Shear Modulus, GPa 35
40
Tensile Strength: Ultimate (UTS), MPa 97
450
Tensile Strength: Yield (Proof), MPa 79
320

Thermal Properties

Latent Heat of Fusion, J/g 110
190
Maximum Temperature: Mechanical, °C 90
130
Melting Completion (Liquidus), °C 410
850
Melting Onset (Solidus), °C 400
810
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
25
Electrical Conductivity: Equal Weight (Specific), % IACS 37
28

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 6.6
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
23
Resilience: Unit (Modulus of Resilience), kJ/m3 36
480
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 4.1
15
Strength to Weight: Bending, points 7.1
16
Thermal Diffusivity, mm2/s 44
35
Thermal Shock Resistance, points 3.0
15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.080
62.7 to 66
Iron (Fe), % 0 to 0.020
0.25 to 0.5
Lead (Pb), % 0 to 0.030
0.8 to 2.2
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.8
Silicon (Si), % 0
0.65 to 1.1
Tin (Sn), % 0 to 0.0030
0 to 0.8
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
27.9 to 35.6