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R30016 Cobalt vs. C86800 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C86800 bronze belongs to the copper 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 R30016 cobalt and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 8.4
22
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 85
42
Tensile Strength: Ultimate (UTS), MPa 1010
570
Tensile Strength: Yield (Proof), MPa 580
260

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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