1.7131 | 16MnCr5+N case-hardening steel
| Numeric designation | 1.7131 | 16MnCr5+N Einsatzstahl | 
|---|---|
| Chemical designation | 1.7131 | 16MnCr5+N Einsatzstahl | 
| State | normalized (+N) | 
| Etching | 3 % Nital | 
These micrographs show the normalized initial condition with ferritic-pearlitic microstructure of the most used case-hardening steel.














