-I-Pellet ring die yenziwe nge-X46Cr13 yekhwalithi ephezulu (insimbi engagqwali), noma i-20CrMnTi (insimbi ye-alloy).
-I-pellet die inesivuno esikhulu futhi ikhiqiza ama-pellets akheke kahle, anokuqina okuphezulu.
-I-ring die inamandla amahle okuqina, ukugqwala okuhle kanye nokumelana nomthelela.