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R30006 Cobalt vs. C14300 Copper

R30006 cobalt belongs to the cobalt alloys classification, while C14300 copper belongs to the copper 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 R30006 cobalt and the bottom bar is C14300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 1.0
2.0 to 42
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 85
43
Tensile Strength: Ultimate (UTS), MPa 900
220 to 460
Tensile Strength: Yield (Proof), MPa 540
76 to 430

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1290
1050
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 15
380
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
96
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
96

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.0
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 500
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
9.0 to 72
Resilience: Unit (Modulus of Resilience), kJ/m3 670
25 to 810
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 29
6.8 to 14
Strength to Weight: Bending, points 24
9.1 to 15
Thermal Diffusivity, mm2/s 3.9
110
Thermal Shock Resistance, points 26
7.8 to 16

Alloy Composition

Cadmium (Cd), % 0
0.050 to 0.15
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
99.9 to 99.95
Iron (Fe), % 0 to 3.0
0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0 to 2.0
0
Tungsten (W), % 4.0 to 6.0
0