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C96300 Copper-nickel vs. R30006 Cobalt

C96300 copper-nickel belongs to the copper alloys classification, while R30006 cobalt belongs to the cobalt 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 C96300 copper-nickel and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
220
Elongation at Break, % 11
1.0
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 49
85
Tensile Strength: Ultimate (UTS), MPa 580
900
Tensile Strength: Yield (Proof), MPa 430
540

Thermal Properties

Latent Heat of Fusion, J/g 230
320
Melting Completion (Liquidus), °C 1200
1400
Melting Onset (Solidus), °C 1150
1290
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 37
15
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.1
1.7

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 5.1
7.8
Embodied Energy, MJ/kg 76
110
Embodied Water, L/kg 290
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 720
670
Stiffness to Weight: Axial, points 8.2
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 10
3.9
Thermal Shock Resistance, points 20
26

Alloy Composition

Carbon (C), % 0 to 0.15
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 72.3 to 80.8
0
Iron (Fe), % 0.5 to 1.5
0 to 3.0
Lead (Pb), % 0 to 0.010
0
Manganese (Mn), % 0.25 to 1.5
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 18 to 22
0 to 3.0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 0
4.0 to 6.0
Residuals, % 0 to 0.5
0