Back (Fe-Base)

1.0622 | C80D unalloyed quality steel

Numeric designation1.0622
Chemical designationC80D
Statenormalized
Etching3 % 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.