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C86100 Bronze vs. R30016 Cobalt

C86100 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 C86100 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, % 20
8.4
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 43
85
Tensile Strength: Ultimate (UTS), MPa 660
1010
Tensile Strength: Yield (Proof), MPa 350
580

Thermal Properties

Latent Heat of Fusion, J/g 200
320
Melting Completion (Liquidus), °C 940
1360
Melting Onset (Solidus), °C 900
1270
Specific Heat Capacity, J/kg-K 420
450
Thermal Conductivity, W/m-K 35
15
Thermal Expansion, µm/m-K 20
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.0

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.9
7.7
Embodied Energy, MJ/kg 49
110
Embodied Water, L/kg 350
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
72
Resilience: Unit (Modulus of Resilience), kJ/m3 530
770
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 23
33
Strength to Weight: Bending, points 21
26
Thermal Diffusivity, mm2/s 10
3.9
Thermal Shock Resistance, points 21
24

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
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), % 66 to 68
0
Iron (Fe), % 2.0 to 4.0
0 to 3.0
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 2.5 to 5.0
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 3.0
Silicon (Si), % 0
0.2 to 2.0
Tin (Sn), % 0 to 0.1
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 17.3 to 25
0