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R30001 Cobalt vs. Z40301 Zinc

R30001 cobalt belongs to the cobalt alloys classification, while Z40301 zinc belongs to the zinc alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is Z40301 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
87
Elongation at Break, % 1.0
60
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 86
35
Tensile Strength: Ultimate (UTS), MPa 620
190

Thermal Properties

Latent Heat of Fusion, J/g 310
110
Melting Completion (Liquidus), °C 1530
410
Melting Onset (Solidus), °C 1260
400
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 11
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
37

Otherwise Unclassified Properties

Density, g/cm3 9.0
6.6
Embodied Carbon, kg CO2/kg material 8.9
2.8
Embodied Energy, MJ/kg 130
53
Embodied Water, L/kg 460
340

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 19
7.9
Strength to Weight: Bending, points 18
11
Thermal Diffusivity, mm2/s 3.7
44
Thermal Shock Resistance, points 19
5.9

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 2.0 to 3.0
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 43 to 59
0
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 0 to 3.0
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0 to 2.0
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0
0 to 0.040
Tungsten (W), % 11 to 13
0
Zinc (Zn), % 0
98.9 to 99.5