Ga sassan bawul ɗin simintin gyare-gyare,bakin karfeda ductile (spheroidal graphite) simintin simintin gyare-gyare biyu ne daga cikin abubuwan da ake amfani da su da yawa sabodaductle jefa baƙin ƙarfesuna da mafi kyawun aikin anti-tsatsa kuma bakin karfe yana da kyakkyawan aiki a cikin juriya na zafi da juriya na lalata. Ana amfani da su don samarwa:
- Butterfly and Ball Valve Bodies (Ductile Cast Iron ko Cast Bakin Karfe),
- Fayafai Bawul na Butterfly (Bakin Karfe ko Ƙarfe Mai Ductile),
- Wuraren Bawul (Simintin ƙarfe ko Bakin Karfe na Cast)
- Jikuna da Rufe Centrifugal (SS ko Ductile Iron)
- Pump Impellers and Covers (Bakin Karfe, Bakin Karfe Duplex)
- Gidajen Ruwan Ruwa (Grey Cast Iron ko Alloy Karfe)