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R30006 Cobalt vs. CC481K Bronze

R30006 cobalt belongs to the cobalt alloys classification, while CC481K bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30006 cobalt and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 1.0
4.5
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
40
Tensile Strength: Ultimate (UTS), MPa 900
350
Tensile Strength: Yield (Proof), MPa 540
180

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Melting Completion (Liquidus), °C 1400
1000
Melting Onset (Solidus), °C 1290
880
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 15
64
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
10
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
10

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 7.8
3.7
Embodied Energy, MJ/kg 110
60
Embodied Water, L/kg 500
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
13
Resilience: Unit (Modulus of Resilience), kJ/m3 670
150
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 29
11
Strength to Weight: Bending, points 24
13
Thermal Diffusivity, mm2/s 3.9
20
Thermal Shock Resistance, points 26
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
87 to 89.5
Iron (Fe), % 0 to 3.0
0 to 0.1
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.050
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0 to 2.0
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 11.5
Tungsten (W), % 4.0 to 6.0
0
Zinc (Zn), % 0
0 to 0.5