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C86200 Bronze vs. R30006 Cobalt

C86200 bronze belongs to the copper alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C86200 bronze and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Elongation at Break, % 21
1.0
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 42
85
Tensile Strength: Ultimate (UTS), MPa 710
900
Tensile Strength: Yield (Proof), MPa 350
540

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 940
1400
Melting Onset (Solidus), °C 900
1290
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 35
15
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.9
7.8
Embodied Energy, MJ/kg 49
110
Embodied Water, L/kg 340
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 540
670
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 25
29
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 23
26

Alloy Composition

Aluminum (Al), % 3.0 to 4.9
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 60 to 66
0
Iron (Fe), % 2.0 to 4.0
0 to 3.0
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 1.0
0 to 3.0
Silicon (Si), % 0
0 to 2.0
Tin (Sn), % 0 to 0.2
0
Tungsten (W), % 0
4.0 to 6.0
Zinc (Zn), % 22 to 28
0
Residuals, % 0 to 1.0
0