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Z20301 Zinc vs. CR018A Copper

Z20301 zinc belongs to the zinc alloys classification, while CR018A copper belongs to the copper alloys.

For each property being compared, the top bar is Z20301 zinc and the bottom bar is CR018A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 53
15
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 35
43
Tensile Strength: Ultimate (UTS), MPa 160
220
Tensile Strength: Yield (Proof), MPa 130
130

Thermal Properties

Latent Heat of Fusion, J/g 110
210
Maximum Temperature: Mechanical, °C 90
200
Melting Completion (Liquidus), °C 410
1090
Melting Onset (Solidus), °C 400
1040
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
390
Thermal Expansion, µm/m-K 26
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
100
Electrical Conductivity: Equal Weight (Specific), % IACS 37
100

Otherwise Unclassified Properties

Base Metal Price, % relative 11
33
Density, g/cm3 6.6
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 53
42
Embodied Water, L/kg 340
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
29
Resilience: Unit (Modulus of Resilience), kJ/m3 96
76
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 6.7
6.8
Strength to Weight: Bending, points 9.9
9.0
Thermal Diffusivity, mm2/s 44
110
Thermal Shock Resistance, points 5.0
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Bismuth (Bi), % 0
0 to 0.00050
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.0050
99.914 to 99.94
Iron (Fe), % 0 to 0.010
0
Lead (Pb), % 0 to 0.1
0
Silver (Ag), % 0
0.060 to 0.080
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.853 to 100
0