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R30016 Cobalt vs. C93500 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C93500 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C93500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 8.4
15
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 85
38
Tensile Strength: Ultimate (UTS), MPa 1010
220
Tensile Strength: Yield (Proof), MPa 580
110

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Melting Completion (Liquidus), °C 1360
1000
Melting Onset (Solidus), °C 1270
850
Specific Heat Capacity, J/kg-K 450
360
Thermal Conductivity, W/m-K 15
70
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
15
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
15

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.0
Embodied Carbon, kg CO2/kg material 7.7
3.0
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 500
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
28
Resilience: Unit (Modulus of Resilience), kJ/m3 770
59
Stiffness to Weight: Axial, points 14
6.3
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 33
6.9
Strength to Weight: Bending, points 26
9.1
Thermal Diffusivity, mm2/s 3.9
22
Thermal Shock Resistance, points 24
8.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
83 to 86
Iron (Fe), % 0 to 3.0
0 to 0.2
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.2 to 2.0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.3 to 6.0
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 1.0