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C86300 Bronze vs. R30003 Cobalt

C86300 bronze belongs to the copper alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 14
10 to 73
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 42
83
Tensile Strength: Ultimate (UTS), MPa 850
970 to 1720
Tensile Strength: Yield (Proof), MPa 480
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 200
310
Melting Completion (Liquidus), °C 920
1400
Melting Onset (Solidus), °C 890
1440
Specific Heat Capacity, J/kg-K 420
450
Thermal Conductivity, W/m-K 35
13
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
95
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.0
8.0
Embodied Energy, MJ/kg 51
110
Embodied Water, L/kg 360
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1030
600 to 2790
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 30
32 to 57
Strength to Weight: Bending, points 25
26 to 38
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 28
26 to 45

Alloy Composition


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Aluminum (Al), % 5.0 to 7.5
0
Boron (B), % 0
0 to 0.1
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Copper (Cu), % 60 to 66
0
Iron (Fe), % 2.0 to 4.0
10 to 20.5
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0 to 1.0
14 to 16
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
0
Residuals, % 0 to 1.0
0