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C86800 Bronze vs. R30016 Cobalt

C86800 bronze belongs to the copper alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C86800 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, % 22
8.4
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 42
85
Tensile Strength: Ultimate (UTS), MPa 570
1010
Tensile Strength: Yield (Proof), MPa 260
580

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 900
1360
Melting Onset (Solidus), °C 880
1270
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 20
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 3.0
7.7
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 320
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
72
Resilience: Unit (Modulus of Resilience), kJ/m3 310
770
Stiffness to Weight: Axial, points 7.7
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 20
33
Strength to Weight: Bending, points 19
26
Thermal Shock Resistance, points 18
24

Alloy Composition

Aluminum (Al), % 0 to 2.0
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), % 53.5 to 57
0
Iron (Fe), % 1.0 to 2.5
0 to 3.0
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 4.0
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 2.5 to 4.0
0 to 3.0
Silicon (Si), % 0
0.2 to 2.0
Tin (Sn), % 0 to 1.0
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 28.3 to 40.5
0
Residuals, % 0 to 1.0
0