The word(s) "chain" appears 4 time(s) in 4 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) (Commanding), "Make thou coast of mail, balancing well the rings of chain armour, and work ye righteousness; for be sure I see (clearly) all that ye do."

(سورة سبإ, Saba, Chapter #34, Verse #11)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) When the yokes (shall be) round their necks, and the chains; they shall be dragged along-

(سورة غافر, Ghafir, Chapter #40, Verse #71)
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(3) "Further, make him march in a chain, whereof the length is seventy cubits!

(سورة الحاقة, Al-Haaqqa, Chapter #69, Verse #32)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(4) For the Rejecters we have prepared chains, yokes, and a blazing Fire.

(سورة الانسان, Al-Insaan, Chapter #76, Verse #4)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)