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R31233 Cobalt vs. Commercially Pure Zinc

R31233 cobalt belongs to the cobalt alloys classification, while commercially pure zinc belongs to the zinc 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 R31233 cobalt and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
87
Elongation at Break, % 17
38
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 85
35
Tensile Strength: Ultimate (UTS), MPa 1020
97
Tensile Strength: Yield (Proof), MPa 420
79

Thermal Properties

Latent Heat of Fusion, J/g 320
110
Melting Completion (Liquidus), °C 1350
410
Melting Onset (Solidus), °C 1330
400
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.6
6.6
Embodied Carbon, kg CO2/kg material 8.4
2.8
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 480
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
34
Resilience: Unit (Modulus of Resilience), kJ/m3 410
36
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 33
4.1
Strength to Weight: Bending, points 26
7.1
Thermal Diffusivity, mm2/s 3.2
44
Thermal Shock Resistance, points 25
3.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Boron (B), % 0 to 0.015
0
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0.020 to 0.1
0
Chromium (Cr), % 23.5 to 27.5
0
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
0 to 0.080
Iron (Fe), % 1.0 to 5.0
0 to 0.020
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.1 to 1.5
0
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.050 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 1.0 to 3.0
0
Zinc (Zn), % 0
99.827 to 100