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Reddituser45005 t1_irrzy3l wrote on October 10, 2022 at 4:22 PM

Reply to comment by 2Mike2022 in Has metal ever been used in ancient/medieval fortifications or any equivalent by HDH2506

The Bessemer steel making process was developed in the mid 1800’s. Prior to that metal working was a specialized task suitable for individual weapons and armor but didn’t scale up to the volume needed to fortify a castle or other structure.