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Z20301 Zinc vs. C68400 Brass

Z20301 zinc belongs to the zinc alloys classification, while C68400 brass belongs to the copper alloys. They have a modest 34% 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 (2, in this case) are not shown.

For each property being compared, the top bar is Z20301 zinc and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 53
18
Poisson's Ratio 0.25
0.31
Shear Modulus, GPa 35
41
Tensile Strength: Ultimate (UTS), MPa 160
540
Tensile Strength: Yield (Proof), MPa 130
310

Thermal Properties

Latent Heat of Fusion, J/g 110
210
Maximum Temperature: Mechanical, °C 90
130
Melting Completion (Liquidus), °C 410
840
Melting Onset (Solidus), °C 400
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 110
66
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
87
Electrical Conductivity: Equal Weight (Specific), % IACS 37
99

Otherwise Unclassified Properties

Base Metal Price, % relative 11
23
Density, g/cm3 6.6
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
81
Resilience: Unit (Modulus of Resilience), kJ/m3 96
460
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 6.7
19
Strength to Weight: Bending, points 9.9
19
Thermal Diffusivity, mm2/s 44
21
Thermal Shock Resistance, points 5.0
18

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.0050
59 to 64
Iron (Fe), % 0 to 0.010
0 to 1.0
Lead (Pb), % 0 to 0.1
0 to 0.090
Manganese (Mn), % 0
0.2 to 1.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0
1.5 to 2.5
Tin (Sn), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.853 to 100
28.6 to 39.3
Residuals, % 0
0 to 0.5