R31537 Cobalt vs. C17000 Copper
R31537 cobalt belongs to the cobalt alloys classification, while C17000 copper belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is R31537 cobalt and the bottom bar is C17000 copper.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 220 | |
120 |
Elongation at Break, % | 14 to 23 | |
1.1 to 31 |
Poisson's Ratio | 0.29 | |
0.33 |
Rockwell C Hardness | 25 to 35 | |
21 to 42 |
Shear Modulus, GPa | 87 | |
45 |
Tensile Strength: Ultimate (UTS), MPa | 1000 to 1340 | |
490 to 1310 |
Tensile Strength: Yield (Proof), MPa | 590 to 940 | |
160 to 1140 |
Thermal Properties
Latent Heat of Fusion, J/g | 320 | |
230 |
Melting Completion (Liquidus), °C | 1360 | |
980 |
Melting Onset (Solidus), °C | 1290 | |
870 |
Specific Heat Capacity, J/kg-K | 450 | |
390 |
Thermal Conductivity, W/m-K | 13 | |
110 |
Thermal Expansion, µm/m-K | 13 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
22 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
22 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.4 | |
8.8 |
Embodied Carbon, kg CO2/kg material | 8.1 | |
8.7 |
Embodied Energy, MJ/kg | 110 | |
140 |
Embodied Water, L/kg | 530 | |
310 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 200 | |
4.2 to 390 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 780 to 1990 | |
110 to 5420 |
Stiffness to Weight: Axial, points | 15 | |
7.6 |
Stiffness to Weight: Bending, points | 24 | |
19 |
Strength to Weight: Axial, points | 33 to 44 | |
15 to 41 |
Strength to Weight: Bending, points | 26 to 32 | |
16 to 30 |
Thermal Diffusivity, mm2/s | 3.4 | |
32 |
Thermal Shock Resistance, points | 24 to 32 | |
17 to 45 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.2 |
Beryllium (Be), % | 0 | |
1.6 to 1.8 |
Carbon (C), % | 0 to 0.14 | |
0 |
Chromium (Cr), % | 26 to 30 | |
0 |
Cobalt (Co), % | 58.9 to 69 | |
0 |
Copper (Cu), % | 0 | |
96.3 to 98.2 |
Iron (Fe), % | 0 to 0.75 | |
0 to 0.4 |
Manganese (Mn), % | 0 to 1.0 | |
0 |
Molybdenum (Mo), % | 5.0 to 7.0 | |
0 |
Nickel (Ni), % | 0 to 1.0 | |
0.2 to 0.6 |
Nitrogen (N), % | 0 to 0.25 | |
0 |
Silicon (Si), % | 0 to 1.0 | |
0 to 0.2 |
Residuals, % | 0 | |
0 to 0.5 |