What would have caused the fire to burn at 1300F? The hottest house fires rarely even reach 1000F, most closer to the 300-800F range. House fires are usually fueled by wood, which is substantially less common in a building made of steel and concrete.
I can't find any statistics about high rise fires that strike me as being reliable (most are on 9/11 conspiracy pages), but I cannot believe that they burn hotter than house fires considering the fuel.
The melting point/loss of strength point is actually my fault, or at least the fault of conspiracy theorists. After 9/11, the melting point of steel was used as evidence pertaining to the collapses to WTC 1, 2, and 7. It represented one of the largest struggling points of the movement because it was a mistake repeated over and over, and one that was easily debunked. It wasn't until 2004 that the theories really began shifting away from the melting point and towards the point at which steel begins to lose it's tensile strength. That particular evidence is relevant, which is why I posted it above in post 13.
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