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R30016 Cobalt vs. C95600 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C95600 bronze belongs to the copper 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 R30016 cobalt and the bottom bar is C95600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 8.4
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
42
Tensile Strength: Ultimate (UTS), MPa 1010
500
Tensile Strength: Yield (Proof), MPa 580
230

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1360
1000
Melting Onset (Solidus), °C 1270
980
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.7

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 7.7
3.0
Embodied Energy, MJ/kg 110
50
Embodied Water, L/kg 500
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
60
Resilience: Unit (Modulus of Resilience), kJ/m3 770
230
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 33
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 24
18

Alloy Composition

Aluminum (Al), % 0
6.0 to 8.0
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
88 to 92.2
Iron (Fe), % 0 to 3.0
0
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 0.25
Silicon (Si), % 0.2 to 2.0
1.8 to 3.2
Tungsten (W), % 3.5 to 5.5
0
Residuals, % 0
0 to 1.0