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CC383H Copper-nickel vs. R30021 Cobalt

CC383H copper-nickel belongs to the copper alloys classification, while R30021 cobalt belongs to the cobalt alloys. There are 26 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 CC383H copper-nickel and the bottom bar is R30021 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
220
Elongation at Break, % 20
9.0
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
86
Tensile Strength: Ultimate (UTS), MPa 490
700
Tensile Strength: Yield (Proof), MPa 260
500

Thermal Properties

Latent Heat of Fusion, J/g 240
330
Melting Completion (Liquidus), °C 1180
1350
Melting Onset (Solidus), °C 1130
1190
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 29
15
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 5.7
8.0
Embodied Energy, MJ/kg 83
110
Embodied Water, L/kg 280
520

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
57
Resilience: Unit (Modulus of Resilience), kJ/m3 250
570
Stiffness to Weight: Axial, points 8.6
15
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 8.1
3.8
Thermal Shock Resistance, points 17
21

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Bismuth (Bi), % 0 to 0.010
0
Boron (B), % 0 to 0.010
0
Cadmium (Cd), % 0 to 0.020
0
Carbon (C), % 0 to 0.030
0.2 to 0.35
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
61.7 to 67.3
Copper (Cu), % 64 to 69.1
0
Iron (Fe), % 0.5 to 1.5
0 to 3.0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0.6 to 1.2
0
Molybdenum (Mo), % 0
4.5 to 6.0
Nickel (Ni), % 29 to 31
2.0 to 3.0
Niobium (Nb), % 0.5 to 1.0
0
Phosphorus (P), % 0 to 0.010
0
Selenium (Se), % 0 to 0.010
0
Silicon (Si), % 0.3 to 0.7
0 to 1.5
Sulfur (S), % 0 to 0.010
0
Tellurium (Te), % 0 to 0.010
0
Zinc (Zn), % 0 to 0.5
0