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C86400 Bronze vs. R30016 Cobalt

C86400 bronze belongs to the copper alloys classification, while R30016 cobalt belongs to the cobalt 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 C86400 bronze and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Elongation at Break, % 17
8.4
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
85
Tensile Strength: Ultimate (UTS), MPa 470
1010
Tensile Strength: Yield (Proof), MPa 150
580

Thermal Properties

Latent Heat of Fusion, J/g 170
320
Melting Completion (Liquidus), °C 880
1360
Melting Onset (Solidus), °C 860
1270
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 88
15
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 22
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.8
7.7
Embodied Energy, MJ/kg 48
110
Embodied Water, L/kg 330
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
72
Resilience: Unit (Modulus of Resilience), kJ/m3 110
770
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 16
33
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 29
3.9
Thermal Shock Resistance, points 16
24

Alloy Composition

Aluminum (Al), % 0.5 to 1.5
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 56 to 62
0
Iron (Fe), % 0.4 to 2.0
0 to 3.0
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0.1 to 1.0
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0 to 1.0
0 to 3.0
Silicon (Si), % 0
0.2 to 2.0
Tin (Sn), % 0.5 to 1.5
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 34 to 42
0
Residuals, % 0 to 1.0
0