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Commercially Pure Zinc vs. CR007A Copper

Commercially pure zinc belongs to the zinc alloys classification, while CR007A copper belongs to the copper alloys.

For each property being compared, the top bar is commercially pure zinc and the bottom bar is CR007A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
120
Elongation at Break, % 38
15
Poisson's Ratio 0.25
0.34
Shear Modulus, GPa 35
43
Tensile Strength: Ultimate (UTS), MPa 97
230
Tensile Strength: Yield (Proof), MPa 79
140

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
380
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
31
Density, g/cm3 6.6
9.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 53
41
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
31
Resilience: Unit (Modulus of Resilience), kJ/m3 36
83
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 4.1
7.1
Strength to Weight: Bending, points 7.1
9.3
Thermal Diffusivity, mm2/s 44
110
Thermal Shock Resistance, points 3.0
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 0 to 0.080
99.994 to 100
Iron (Fe), % 0 to 0.020
0 to 0.0010
Lead (Pb), % 0 to 0.030
0 to 0.00050
Selenium (Se), % 0
0 to 0.00020
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
0