1.0622 | C80D unalloyed quality steel
| Numeric designation | 1.0622 |
|---|---|
| Chemical designation | C80D |
| State | normalized |
| Etching | 3 % Nital |
At 0.8% carbon content, a purely pearlitic microstructure is present at near-equilibrium cooling. Perlite consists alternately of a cementite and ferrite lamellae. The SEM image shows the fine spacing of the cementite lamellae.
