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Z20301 Zinc vs. G-CoCr28 Cobalt

Z20301 zinc belongs to the zinc alloys classification, while G-CoCr28 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 Z20301 zinc and the bottom bar is G-CoCr28 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
210
Elongation at Break, % 53
6.7
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 35
83
Tensile Strength: Ultimate (UTS), MPa 160
560
Tensile Strength: Yield (Proof), MPa 130
260

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
31
Resilience: Unit (Modulus of Resilience), kJ/m3 96
160
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 6.7
19
Strength to Weight: Bending, points 9.9
19
Thermal Diffusivity, mm2/s 44
2.2
Thermal Shock Resistance, points 5.0
14

Alloy Composition

Aluminum (Al), % 0 to 0.0020
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0.050 to 0.25
Chromium (Cr), % 0
27 to 30
Cobalt (Co), % 0
48 to 52
Copper (Cu), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.010
9.7 to 24.5
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 4.0
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 99.853 to 100
0