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R30605 Cobalt vs. CC380H Copper-nickel

R30605 cobalt belongs to the cobalt alloys classification, while CC380H copper-nickel 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 CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 34
26
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
47
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
310
Tensile Strength: Yield (Proof), MPa 470 to 1600
120

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Melting Completion (Liquidus), °C 1410
1130
Melting Onset (Solidus), °C 1330
1080
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 9.6
46
Thermal Expansion, µm/m-K 12
17

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
8.9
Embodied Carbon, kg CO2/kg material 9.8
3.8
Embodied Energy, MJ/kg 140
58
Embodied Water, L/kg 450
300

Common Calculations

Stiffness to Weight: Axial, points 12
7.8
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 33 to 55
9.8
Strength to Weight: Bending, points 25 to 36
12
Thermal Diffusivity, mm2/s 2.5
13
Thermal Shock Resistance, points 31 to 52
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
84.5 to 89
Iron (Fe), % 0 to 3.0
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 1.0 to 2.0
1.0 to 1.5
Nickel (Ni), % 9.0 to 11
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.5