Sura al-Hadid (Arabic: سورة الحديد) is fifty seventh sura of the Qur'an. It is a Madani sura located in juz' twenty seven. This sura is called al-Hadid because the word "al-hadid" (iron) is mentioned in verse twenty five of this sura. In this sura, topics including the unity of God, God's attributes, greatness of the Qur'an and the condition of believers and hypocrites on the Day of Judgement are mentioned.
In this sura, God urges Muslims to give in the way of God. Qard al-Hasana Verse (good loan) is among famous verses in this sura. In hadiths, releasing from the punishment in the hell, benefitting from blessings in the heaven and visiting Imam al-Mahdi (a) when he comes, are mentioned among the merits and benefits of reciting this sura.