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R30003 Cobalt vs. CR014A Copper

R30003 cobalt belongs to the cobalt alloys classification, while CR014A copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R30003 cobalt and the bottom bar is CR014A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 10 to 73
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 83
43
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
230
Tensile Strength: Yield (Proof), MPa 510 to 1090
140

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1440
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
380
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
98
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
99

Otherwise Unclassified Properties

Base Metal Price, % relative 95
32
Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 110
42
Embodied Water, L/kg 400
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 32 to 57
7.1
Strength to Weight: Bending, points 26 to 38
9.3
Thermal Diffusivity, mm2/s 3.3
110
Thermal Shock Resistance, points 26 to 45
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
99.913 to 99.969
Iron (Fe), % 10 to 20.5
0
Manganese (Mn), % 1.5 to 2.5
0
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
0
Phosphorus (P), % 0 to 0.015
0.0010 to 0.0070
Silicon (Si), % 0 to 1.2
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.015
0