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R30016 Cobalt vs. Z20301 Zinc

R30016 cobalt belongs to the cobalt alloys classification, while Z20301 zinc belongs to the zinc alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is Z20301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
87
Elongation at Break, % 8.4
53
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 85
35
Tensile Strength: Ultimate (UTS), MPa 1010
160
Tensile Strength: Yield (Proof), MPa 580
130

Thermal Properties

Latent Heat of Fusion, J/g 320
110
Melting Completion (Liquidus), °C 1360
410
Melting Onset (Solidus), °C 1270
400
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
37

Otherwise Unclassified Properties

Density, g/cm3 8.5
6.6
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 500
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
78
Resilience: Unit (Modulus of Resilience), kJ/m3 770
96
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 33
6.7
Strength to Weight: Bending, points 26
9.9
Thermal Diffusivity, mm2/s 3.9
44
Thermal Shock Resistance, points 24
5.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 0 to 3.0
0 to 0.010
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0.2 to 2.0
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
99.853 to 100