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R30605 Cobalt vs. CR016A Copper

R30605 cobalt belongs to the cobalt alloys classification, while CR016A copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is CR016A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 34
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
43
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
230
Tensile Strength: Yield (Proof), MPa 470 to 1600
140

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1410
1090
Melting Onset (Solidus), °C 1330
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 9.6
390
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
98
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
99

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.0
Embodied Carbon, kg CO2/kg material 9.8
2.7
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 450
390

Common Calculations

Stiffness to Weight: Axial, points 12
7.2
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 33 to 55
7.1
Strength to Weight: Bending, points 25 to 36
9.3
Thermal Diffusivity, mm2/s 2.5
110
Thermal Shock Resistance, points 31 to 52
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
99.843 to 99.919
Iron (Fe), % 0 to 3.0
0
Manganese (Mn), % 1.0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0.0010 to 0.0070
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0.080 to 0.12
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 14 to 16
0