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Commercially Pure Zinc vs. EN 2.4964 Cobalt

Commercially pure zinc belongs to the zinc alloys classification, while EN 2.4964 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 EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
220
Elongation at Break, % 38
40
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 35
86
Tensile Strength: Ultimate (UTS), MPa 97
960
Tensile Strength: Yield (Proof), MPa 79
390

Thermal Properties

Latent Heat of Fusion, J/g 110
290
Melting Completion (Liquidus), °C 410
1630
Melting Onset (Solidus), °C 400
1550
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 37
1.8

Otherwise Unclassified Properties

Density, g/cm3 6.6
9.6
Embodied Carbon, kg CO2/kg material 2.8
9.8
Embodied Energy, MJ/kg 53
140
Embodied Water, L/kg 340
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
310
Resilience: Unit (Modulus of Resilience), kJ/m3 36
340
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 4.1
28
Strength to Weight: Bending, points 7.1
23
Thermal Diffusivity, mm2/s 44
3.9
Thermal Shock Resistance, points 3.0
25

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 0 to 0.080
0
Iron (Fe), % 0 to 0.020
0 to 3.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0 to 0.020
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 99.827 to 100
0