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C63800 Bronze vs. R30016 Cobalt

C63800 bronze belongs to the copper alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 23 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 C63800 bronze and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 7.9 to 41
8.4
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
85
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
1010

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 1030
1360
Melting Onset (Solidus), °C 1000
1270
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 2.8
7.7
Embodied Energy, MJ/kg 45
110
Embodied Water, L/kg 330
500

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15 to 33
33
Strength to Weight: Bending, points 15 to 26
26
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 17 to 36
24

Alloy Composition

Aluminum (Al), % 2.5 to 3.1
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0.25 to 0.55
49.6 to 66.9
Copper (Cu), % 92.4 to 95.8
0
Iron (Fe), % 0 to 0.2
0 to 3.0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.1
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.2
0 to 3.0
Silicon (Si), % 1.5 to 2.1
0.2 to 2.0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.5
0