Iron in a dream is a symbol of strength. Dreaming of iron is a way for your dreaming mind to get you to acknowledge your own strengths.
You may dream of an object made of iron when you feel that you are too weak to surmount an obstacle or that you do not have the skills to solve a problem. The nature of the object can provide you with information regarding how you can go about achieving your goal.
Iron can represent rigidity. Therefore, a dream about iron is sometimes a sign that you are being too rigid and you need to be more flexible.
In a dream, iron can symbolize masculine energy.
Iron is associated with weaponry so a dream about iron can reflect a feeling that you need to defend yourself. Your dream may be saying that it is time for you to let your guard down.