EN-GJS-450 | 5.3107 modified nodular graphite cast iron
| Numeric designation | 5.3107 | 
|---|---|
| Chemical designation | EN-GJS-450 | 
| State | modified nodular graphite cast iron | 
| Etching | 3 % Nital | 
The micrographs show a GJS with a purely ferritic matrix. It was modified to 17 % elongation at fracture (instead of the usual A = 10%).
This is probably a solid solution variety.














