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R30075 Cobalt vs. Z41121 Zinc

R30075 cobalt belongs to the cobalt alloys classification, while Z41121 zinc belongs to the zinc alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R30075 cobalt and the bottom bar is Z41121 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210 to 250
87
Elongation at Break, % 12
50
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 82 to 98
35
Tensile Strength: Ultimate (UTS), MPa 780 to 1280
140
Tensile Strength: Yield (Proof), MPa 480 to 840
120

Thermal Properties

Latent Heat of Fusion, J/g 320
110
Melting Completion (Liquidus), °C 1360
410
Melting Onset (Solidus), °C 1290
400
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
110
Thermal Expansion, µm/m-K 12
26

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.4
6.6
Embodied Carbon, kg CO2/kg material 8.1
2.8
Embodied Energy, MJ/kg 110
54
Embodied Water, L/kg 530
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 140
68
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1410
79
Stiffness to Weight: Axial, points 14 to 17
7.4
Stiffness to Weight: Bending, points 24 to 25
23
Strength to Weight: Axial, points 26 to 42
6.1
Strength to Weight: Bending, points 22 to 31
9.3
Thermal Diffusivity, mm2/s 3.5
44
Thermal Shock Resistance, points 21 to 29
4.6

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.010
Boron (B), % 0 to 0.010
0
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.35
0
Chromium (Cr), % 27 to 30
0
Cobalt (Co), % 58.7 to 68
0
Copper (Cu), % 0
0.080 to 0.49
Iron (Fe), % 0 to 0.75
0 to 0.010
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.1
0.050 to 0.18
Tungsten (W), % 0 to 0.2
0
Zinc (Zn), % 0
99.292 to 99.87