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CC752S Brass vs. Z21721 Zinc

CC752S brass belongs to the copper alloys classification, while Z21721 zinc belongs to the zinc alloys. They have a modest 35% 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 CC752S brass and the bottom bar is Z21721 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
87
Elongation at Break, % 8.4
40
Poisson's Ratio 0.31
0.25
Shear Modulus, GPa 40
35
Tensile Strength: Ultimate (UTS), MPa 350
150
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 170
110
Maximum Temperature: Mechanical, °C 130
90
Melting Completion (Liquidus), °C 840
410
Melting Onset (Solidus), °C 800
390
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 21
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 24
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 25
57
Resilience: Unit (Modulus of Resilience), kJ/m3 180
88
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 12
6.4
Strength to Weight: Bending, points 13
9.6
Thermal Diffusivity, mm2/s 35
44
Thermal Shock Resistance, points 12
4.8

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0 to 0.0020
Antimony (Sb), % 0 to 0.14
0
Arsenic (As), % 0.040 to 0.14
0
Cadmium (Cd), % 0
0 to 0.070
Copper (Cu), % 61.5 to 64.5
0 to 0.0050
Iron (Fe), % 0 to 0.3
0 to 0.010
Lead (Pb), % 1.5 to 2.2
0 to 1.0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.020
0
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 31.5 to 36.7
98.9 to 100