Fascinating Journey of Forging Heavy-Duty Iron Chains. Posted: February 7, 2025 | Last updated: February 7, 2025. Step into the world of iron chain manufacturing, where raw metal is transformed ...

The replacement of a rusted iron chain barrier at Fort Point has many observers bewailing the loss of a historic San Francisco feature. In fact, it had only been there since the 1990s.

It will take a lot of iron chains and money to keep your heavy concrete dome from collapsing. Besides, there's an easier -- and less risky -- way to build a dome this tall today.