On'yomi: テツ (tetsu)
Kun'yomi: くろがね (kurogane)
Radical components: ノ乞二大矢金
Full detail for 鉄 →
On'yomi: コウ (kou)
Kun'yomi: はがね (hagane)
Radical components: 冂山岡并金
Full detail for 鋼 →