ʻO Ferrochrome (FeCr) kahi huila o ka chromium a me ka hao i loaʻa ma waena o 50% a me 70% chromium. Ma luna o 80% o ka ferrochrome o ka honua i hoʻohana ʻia i ka hana ʻana i ke kila kila.E like me ka maʻiʻo kalapona, hiki ke mahele ʻia i: High carbon ferrochrome/HCFeCr(C:4% -8%), Medium carbon ferrochrome/MCFeCr(C:1% -4%), Low carbon ferrochrome/LCFeCr(C:0.25 % -0.5%), Micro carbon ferrochrome/MCFeCr:(C:0.03-0.15%). Kina no ka hoʻonui ʻana i ka nui o ka hana ferrochrome honua.