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R30016 Cobalt vs. C53400 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C53400 bronze belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C53400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
42
Tensile Strength: Ultimate (UTS), MPa 1010
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 320
200
Melting Completion (Liquidus), °C 1360
1050
Melting Onset (Solidus), °C 1270
950
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 15
69
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
8.9
Embodied Carbon, kg CO2/kg material 7.7
3.0
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 500
350

Common Calculations

Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 33
10 to 22
Strength to Weight: Bending, points 26
12 to 20
Thermal Diffusivity, mm2/s 3.9
21
Thermal Shock Resistance, points 24
12 to 26

Alloy Composition

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
91.8 to 95.7
Iron (Fe), % 0 to 3.0
0 to 0.1
Lead (Pb), % 0
0.8 to 1.2
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 0.2 to 2.0
0
Tin (Sn), % 0
3.5 to 5.8
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5