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R30003 Cobalt vs. Z24311 Zinc

R30003 cobalt belongs to the cobalt alloys classification, while Z24311 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 R30003 cobalt and the bottom bar is Z24311 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
87
Elongation at Break, % 10 to 73
63
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 83
35
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
140
Tensile Strength: Yield (Proof), MPa 510 to 1090
120

Thermal Properties

Latent Heat of Fusion, J/g 310
110
Melting Completion (Liquidus), °C 1400
410
Melting Onset (Solidus), °C 1440
400
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
37

Otherwise Unclassified Properties

Base Metal Price, % relative 95
11
Density, g/cm3 8.4
6.6
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 400
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
81
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 32 to 57
6.1
Strength to Weight: Bending, points 26 to 38
9.3
Thermal Diffusivity, mm2/s 3.3
44
Thermal Shock Resistance, points 26 to 45
4.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0020
Boron (B), % 0 to 0.1
0
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
0 to 0.0050
Iron (Fe), % 10 to 20.5
0 to 0.010
Lead (Pb), % 0
0.030 to 0.080
Magnesium (Mg), % 0
0 to 0.0015
Manganese (Mn), % 1.5 to 2.5
0 to 0.015
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 1.2
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0
99.862 to 100