It is known that structural steel begins to soften around 425°C and loses about half of its strength at 650°C. This is why steel is stress relieved in this temperature range. But even a 50% loss of strength is still insufficient, by itself, to explain the WTC collapse.
Moreover, what is molten steel?
A ladle of molten iron is poured into an open hearth furnace for conversion into steel at Allegheny Ludlum Steel Corp., 1941. A gear driven ladle.
What is molten metal called?
A foundry is a factory that produces metal castings. Metals are cast into shapes by melting them into a liquid, pouring the metal in a mold, and removing the mold material or casting after the metal has solidified as it cools. The most common metals processed are aluminium and cast iron.
What is the meaning of molten metal?
You're probably familiar with lava, the molten rock that explodes out of a volcano. Molten originated from the Old English verb meltian, meaning "become liquid." It takes incredibly high temperatures to get an object that was once rock solid to be transformed into a liquid state.