Igwe anaghị agba nchara bụ alloy nke iron na-eguzogide na-eguzogide. O nwere opekata mpe 11% 12% ma nwee ike ịnwe ihe dị ka carbon, ndị ọzọ na-abụghị na ọla kọpa nweta ihe ndị ọzọ achọrọ. Na-egbochi mgbochi na corrosion si na-esite na Chromium, nke na-eme ihe nkiri na-enweghị ike nke nwere ike ichebe ihe na ịgwọ onwe ya n'anya oxygen. N'ime nri na ụlọ ọrụ nri, eji igwe anaghị agba nchara emepụta ngwa kichin, kuki na cutlery. A na-eme ka arịa dị ka mma na-eji obere igwe anaghị agba nchara. A na-eji akara uzí ndị ọzọ na-eme ka ihe chara acha, na-esi nri, na ebe a na-egbu mmiri.