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Commercially Pure Zinc vs. R30003 Cobalt

Commercially pure zinc belongs to the zinc alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 26 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 commercially pure zinc and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
210
Elongation at Break, % 38
10 to 73
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 35
83
Tensile Strength: Ultimate (UTS), MPa 97
970 to 1720
Tensile Strength: Yield (Proof), MPa 79
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 110
310
Melting Completion (Liquidus), °C 410
1400
Melting Onset (Solidus), °C 400
1440
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
95
Density, g/cm3 6.6
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.0
Embodied Energy, MJ/kg 53
110
Embodied Water, L/kg 340
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 36
600 to 2790
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 4.1
32 to 57
Strength to Weight: Bending, points 7.1
26 to 38
Thermal Diffusivity, mm2/s 44
3.3
Thermal Shock Resistance, points 3.0
26 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Boron (B), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Copper (Cu), % 0 to 0.080
0
Iron (Fe), % 0 to 0.020
10 to 20.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
14 to 16
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.827 to 100
0