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R30016 Cobalt vs. C63000 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C63000 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C63000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 8.4
7.9 to 15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
44
Tensile Strength: Ultimate (UTS), MPa 1010
660 to 790
Tensile Strength: Yield (Proof), MPa 580
330 to 390

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Melting Completion (Liquidus), °C 1360
1050
Melting Onset (Solidus), °C 1270
1040
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
7.6

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 7.7
3.5
Embodied Energy, MJ/kg 110
57
Embodied Water, L/kg 500
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
47 to 82
Resilience: Unit (Modulus of Resilience), kJ/m3 770
470 to 640
Stiffness to Weight: Axial, points 14
7.9
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 33
22 to 26
Strength to Weight: Bending, points 26
20 to 23
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 24
23 to 27

Alloy Composition

Aluminum (Al), % 0
9.0 to 11
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
76.8 to 85
Iron (Fe), % 0 to 3.0
2.0 to 4.0
Manganese (Mn), % 0.5 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
4.0 to 5.5
Silicon (Si), % 0.2 to 2.0
0 to 0.25
Tin (Sn), % 0
0 to 0.2
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5