PA 4/6 vs. R31539 Cobalt
PA 4/6 and R31539 cobalt belong to fundamentally different material chemistries. PA 4/6 is a polymeric material, while R31539 cobalt is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 4 material properties with values for both materials. Properties with values for just one material (31, in this case) are not shown.
For each property being compared, the top bar is PA 4/6 and the bottom bar is R31539 cobalt.
Metric UnitsUS Customary Units
Material Properties
| Elastic (Young's, Tensile) Modulus, GPa | 1.0 to 16 | |
| 220 |
| Elongation at Break, % | 2.5 to 50 | |
| 13 to 22 |
| Melting Onset (Solidus), °C | 300 | |
| 1290 |
| Tensile Strength: Ultimate (UTS), MPa | 120 to 250 | |
| 1000 to 1340 |