Carbon simbi, iyo inogona zvakare kunzi plain-carbon steel, isimbi inoumbwa nekubatanidza huwandu hwakasiyana hwekabhoni nesimbi.Mamwe maelementi anogona kunge aripowo asi muhuwandu hudiki zvakanyanya kukanganisa maitiro ayo emuviri.Carbon steel waya ine low carbon content ine zvinhu zvakafanana nesimbi iyo yakapfava uye kuumbwa zviri nyore.