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Z20301 Zinc vs. C66700 Brass

Z20301 zinc belongs to the zinc alloys classification, while C66700 brass belongs to the copper alloys. They have a modest 29% 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 (3, in this case) are not shown.

For each property being compared, the top bar is Z20301 zinc and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 53
2.0 to 58
Poisson's Ratio 0.25
0.31
Shear Modulus, GPa 35
41
Tensile Strength: Ultimate (UTS), MPa 160
340 to 690
Tensile Strength: Yield (Proof), MPa 130
100 to 640

Thermal Properties

Latent Heat of Fusion, J/g 110
180
Maximum Temperature: Mechanical, °C 90
140
Melting Completion (Liquidus), °C 410
1090
Melting Onset (Solidus), °C 400
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
97
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
17
Electrical Conductivity: Equal Weight (Specific), % IACS 37
19

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 6.6
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 53
45
Embodied Water, L/kg 340
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
13 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 96
49 to 1900
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 6.7
11 to 23
Strength to Weight: Bending, points 9.9
13 to 21
Thermal Diffusivity, mm2/s 44
30
Thermal Shock Resistance, points 5.0
11 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.0050
68.5 to 71.5
Iron (Fe), % 0 to 0.010
0 to 0.1
Lead (Pb), % 0 to 0.1
0 to 0.070
Manganese (Mn), % 0
0.8 to 1.5
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.853 to 100
26.3 to 30.7
Residuals, % 0
0 to 0.5