Vine's Expository Dictionary: View Entry
σίδηρος sídēros, sid'-ay-ros; of uncertain derivation; iron:—iron.
The KJV translates Strong's G4604 in the following manner: iron (1x).
iron
Strong's Number G4604 matches the Greek σίδηρος (sidēros), which occurs 1 times in 1 verses in the TR Greek.
View OT results in the LXX Greek concordance
View NT results in the MGNT Greek concordance
Rev 18:12