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R30016 Cobalt vs. CC498K Bronze

R30016 cobalt belongs to the cobalt alloys classification, while CC498K 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 CC498K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 8.4
14
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
41
Tensile Strength: Ultimate (UTS), MPa 1010
260
Tensile Strength: Yield (Proof), MPa 580
130

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Melting Completion (Liquidus), °C 1360
1000
Melting Onset (Solidus), °C 1270
920
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 15
73
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
10

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 7.7
3.2
Embodied Energy, MJ/kg 110
52
Embodied Water, L/kg 500
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
30
Resilience: Unit (Modulus of Resilience), kJ/m3 770
72
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 33
8.1
Strength to Weight: Bending, points 26
10
Thermal Diffusivity, mm2/s 3.9
22
Thermal Shock Resistance, points 24
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
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
85 to 90
Iron (Fe), % 0 to 3.0
0 to 0.25
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.2 to 2.0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.5 to 6.5
Tungsten (W), % 3.5 to 5.5
0
Zinc (Zn), % 0
3.0 to 5.0