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R30605 Cobalt vs. CC496K Bronze

R30605 cobalt belongs to the cobalt alloys classification, while CC496K bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is CC496K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
97
Elongation at Break, % 34
8.6
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 81
36
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
210
Tensile Strength: Yield (Proof), MPa 470 to 1600
99

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Melting Completion (Liquidus), °C 1410
900
Melting Onset (Solidus), °C 1330
820
Specific Heat Capacity, J/kg-K 410
340
Thermal Conductivity, W/m-K 9.6
52
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
11

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.2
Embodied Carbon, kg CO2/kg material 9.8
3.3
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 450
380

Common Calculations

Stiffness to Weight: Axial, points 12
5.9
Stiffness to Weight: Bending, points 21
17
Strength to Weight: Axial, points 33 to 55
6.5
Strength to Weight: Bending, points 25 to 36
8.6
Thermal Diffusivity, mm2/s 2.5
17
Thermal Shock Resistance, points 31 to 52
8.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
72 to 79.5
Iron (Fe), % 0 to 3.0
0 to 0.25
Lead (Pb), % 0
13 to 17
Manganese (Mn), % 1.0 to 2.0
0 to 0.2
Nickel (Ni), % 9.0 to 11
0.5 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
6.0 to 8.0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 2.0