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CC755S Brass vs. Commercially Pure Zinc

CC755S brass belongs to the copper alloys classification, while commercially pure zinc belongs to the zinc 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 CC755S brass and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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