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CR018A Copper vs. Z20301 Zinc

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

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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