How It's Made: 30 Million Tons of Pig Iron Per Year! | Top 10 Videos

Each year, US blast furnaces produce 30 million tons of pig iron – enough to build *250 aircraft carriers*! 🚢 This is the story of how brittle stones are turned into a blinding river of metal.

Here’s a completely new look at the manufacturing secrets: 👇
The journey begins with iron ore, coke, and limestone being layered into a 100-foot-tall blast furnace.
Air heated to 2,000°F is blasted into the furnace, raising the core temperature to 3,000°F 🔥.
The "tapping" process, where a machine drills into the furnace to release a river of *molten slag and white-hot metal*.
The liquid iron is transported in a giant mobile ladle called a "torpedo" to the next stage of production.
Over 90% of all pig iron isn't a final product but the raw material used to create the steel that builds our world.

Discover the fiery alchemy that becomes the foundation for skyscrapers, bridges, and ships!
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