Quote Originally Posted by Galloglaich View Post
Steel bows are a thing, see
They were a thing up to the 1950s when they got replaced by modern materials like fibreglass: Apollo Merlin tubular steel bow.

Public service announcement - if you do ever find a steel bow dating back to this period, please don't shoot or even string it without getting it checked out. These bows are prone to metal fatigue and can cause severe injury if they snap or break when under tension.