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R30016 Cobalt vs. C65500 Bronze

R30016 cobalt belongs to the cobalt alloys classification, while C65500 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is R30016 cobalt and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 8.4
4.0 to 70
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
43
Tensile Strength: Ultimate (UTS), MPa 1010
360 to 760
Tensile Strength: Yield (Proof), MPa 580
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1360
1030
Melting Onset (Solidus), °C 1270
970
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 15
36
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
7.3

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.6
Embodied Carbon, kg CO2/kg material 7.7
2.7
Embodied Energy, MJ/kg 110
42
Embodied Water, L/kg 500
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 770
62 to 790
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 33
12 to 24
Strength to Weight: Bending, points 26
13 to 21
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 24
12 to 26

Alloy Composition

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
91.5 to 96.7
Iron (Fe), % 0 to 3.0
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.5 to 2.0
0.5 to 1.3
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 0.6
Silicon (Si), % 0.2 to 2.0
2.8 to 3.8
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5