Inama-carbon amaningi kanye ne-manganese, ngakho-ke kuyi-ductile futhi umkhiqizo wenziwe kahle. Ukubulawa kwensimbi ye-carbonbed adeleleka, okusho ukuthi abhujiswe ngokuphelele ngesikhathi senqubo yokuncibilika. I-Dexidation kungenxa yokungezwa kwe-silicon, i-manganese ne-aluminium ngesikhathi sokwenza insimbi.