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CC382H Copper-nickel vs. R31537 Cobalt

CC382H copper-nickel belongs to the copper alloys classification, while R31537 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 CC382H copper-nickel and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
220
Elongation at Break, % 20
14 to 23
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 53
87
Tensile Strength: Ultimate (UTS), MPa 490
1000 to 1340
Tensile Strength: Yield (Proof), MPa 290
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 1180
1360
Melting Onset (Solidus), °C 1120
1290
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 30
13
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 5.6
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 5.2
8.1
Embodied Energy, MJ/kg 76
110
Embodied Water, L/kg 290
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 290
780 to 1990
Stiffness to Weight: Axial, points 8.8
15
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15
33 to 44
Strength to Weight: Bending, points 16
26 to 32
Thermal Diffusivity, mm2/s 8.2
3.4
Thermal Shock Resistance, points 16
24 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Bismuth (Bi), % 0 to 0.0020
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0 to 0.14
Chromium (Cr), % 1.5 to 2.0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 62.8 to 68.4
0
Iron (Fe), % 0.5 to 1.0
0 to 0.75
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 29 to 32
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.010
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0.15 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0
Tellurium (Te), % 0 to 0.0050
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0 to 0.15
0