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G-CoCr28 Cobalt vs. Commercially Pure Zinc

G-CoCr28 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 G-CoCr28 cobalt and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
87
Elongation at Break, % 6.7
38
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 83
35
Tensile Strength: Ultimate (UTS), MPa 560
97
Tensile Strength: Yield (Proof), MPa 260
79

Thermal Properties

Latent Heat of Fusion, J/g 320
110
Maximum Temperature: Mechanical, °C 1200
90
Melting Completion (Liquidus), °C 1330
410
Melting Onset (Solidus), °C 1270
400
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 8.5
110
Thermal Expansion, µm/m-K 14
26

Otherwise Unclassified Properties

Base Metal Price, % relative 100
11
Density, g/cm3 8.1
6.6
Embodied Carbon, kg CO2/kg material 6.2
2.8
Embodied Energy, MJ/kg 84
53
Embodied Water, L/kg 440
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
34
Resilience: Unit (Modulus of Resilience), kJ/m3 160
36
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19
4.1
Strength to Weight: Bending, points 19
7.1
Thermal Diffusivity, mm2/s 2.2
44
Thermal Shock Resistance, points 14
3.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.010
Carbon (C), % 0.050 to 0.25
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
0 to 0.080
Iron (Fe), % 9.7 to 24.5
0 to 0.020
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 4.0
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.5 to 1.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.827 to 100