Efere igwe anaghị agba nchara nwere elu dị larịị, nnukwu plasticity, ike siri ike na ike arụ ọrụ, ma na-eguzogide corrosion site na acid, gas alkaline, ngwọta na mgbasa ozi ndị ọzọ.Ọ bụ ígwè alloy nke na-adịghị mfe nchara, ma ọ bụghị nchara kpamkpam.Igwe anaghị agba nchara na-ezo aka na efere ígwè nke na-eguzogide corrosion site na mgbasa ozi na-adịghị ike dị ka ikuku, uzuoku na mmiri, ebe efere ígwè na-eguzogide acid na-ezo aka na efere ígwè na-eguzogide corrosion site na chemically corrosive media dị ka acid, alkali. na nnu.