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G-CoCr28 Cobalt vs. Z40301 Zinc

G-CoCr28 cobalt belongs to the cobalt alloys classification, while Z40301 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 Z40301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
87
Elongation at Break, % 6.7
60
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 83
35
Tensile Strength: Ultimate (UTS), MPa 560
190
Tensile Strength: Yield (Proof), MPa 260
150

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
12
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
100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
130
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19
7.9
Strength to Weight: Bending, points 19
11
Thermal Diffusivity, mm2/s 2.2
44
Thermal Shock Resistance, points 14
5.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0.050 to 0.25
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 48 to 52
0
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 9.7 to 24.5
0 to 0.010
Lead (Pb), % 0
0 to 0.010
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 0.040
Zinc (Zn), % 0
98.9 to 99.5