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R31233 Cobalt vs. CR022A Copper

R31233 cobalt belongs to the cobalt alloys classification, while CR022A 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 R31233 cobalt and the bottom bar is CR022A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 17
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 85
43
Tensile Strength: Ultimate (UTS), MPa 1020
230
Tensile Strength: Yield (Proof), MPa 420
140

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Melting Completion (Liquidus), °C 1350
1090
Melting Onset (Solidus), °C 1330
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 12
380
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
100

Otherwise Unclassified Properties

Density, g/cm3 8.6
9.0
Embodied Carbon, kg CO2/kg material 8.4
2.6
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 480
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
31
Resilience: Unit (Modulus of Resilience), kJ/m3 410
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 33
7.1
Strength to Weight: Bending, points 26
9.3
Thermal Diffusivity, mm2/s 3.2
110
Thermal Shock Resistance, points 25
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Boron (B), % 0 to 0.015
0
Cadmium (Cd), % 0
0 to 0.00010
Carbon (C), % 0.020 to 0.1
0
Chromium (Cr), % 23.5 to 27.5
0
Cobalt (Co), % 44.7 to 63.3
0
Copper (Cu), % 0
99.99 to 99.999
Iron (Fe), % 1.0 to 5.0
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0.1 to 1.5
0 to 0.00050
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 7.0 to 11
0 to 0.0010
Nitrogen (N), % 0.030 to 0.12
0
Phosphorus (P), % 0 to 0.030
0.0010 to 0.0060
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0.050 to 1.0
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.020
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0
0 to 0.00020
Tungsten (W), % 1.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.00010