Vine's Expository Dictionary: View Entry
σιδήρεος sidḗreos, sid-ay'-reh-os; from G4604; made of iron:—(of) iron.
The KJV translates Strong's G4603 in the following manner: of iron (4x), iron (1x).
made of iron
Strong's Number G4603 matches the Greek σιδηροῦς (sidērous), which occurs 5 times in 5 verses in the TR Greek.
View OT results in the LXX Greek concordance
View NT results in the MGNT Greek concordance
Act 12:10
Rev 2:27
Rev 9:9
Rev 12:5
Rev 19:15