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Originally posted by jfj123
Jet fuel burns at 800° to 1500°F which is not hot enough to melt steel (2750°F). However, experts agree that for the towers to collapse, their steel frames didn't need to melt, they just had to lose some of their structural strength — and that required exposure to much less heat.
Oh and Ultima.......
How many airplane (of a compariable type to the 747) collisions with a building in mid-air have you had to deal with in your time as a whatever?
Considering as I pointed out before.
Hitting and sliding along the ground is vastly different then say running into a wall going really fast.
Originally posted by ULTIMA1
Originally posted by jfj123
Jet fuel burns at 800° to 1500°F which is not hot enough to melt steel (2750°F). However, experts agree that for the towers to collapse, their steel frames didn't need to melt, they just had to lose some of their structural strength — and that required exposure to much less heat.
So what casued the molten steel in the basements and debris?
Originally posted by jfj123
Are you referring to liquid steel or red hot steel? We know a heat source caused steel debris to glow red. We know that jet fuel can burn hot enough to do this. We know that and office fire with proper ventilation can create enough heat to make steel glow red.
Originally posted by WraothAscendant
And that question is one that has already been answered you MULTIPLE times.
Originally posted by ULTIMA1
Originally posted by jfj123
Are you referring to liquid steel or red hot steel? We know a heat source caused steel debris to glow red. We know that jet fuel can burn hot enough to do this. We know that and office fire with proper ventilation can create enough heat to make steel glow red.
Liqid.
Also according to reports there was no steel seen to be glowing red.
The jet fuel was burned off in a few minutes according to most reports.
Originally posted by jfj123You posted pictures showing steel glowing red hot so we know that isn't true unless those pictures were faked.
Originally posted by ULTIMA1
Originally posted by jfj123You posted pictures showing steel glowing red hot so we know that isn't true unless those pictures were faked.
I posted photos of red hot and molten steel AFTER the towers were down. There are no photos or red hot steel in the towers BEFORE the collapse.
[edit on 21-3-2008 by ULTIMA1]
Originally posted by jfj123
Yes but you didn't say that and I didn't imply that.
Also according to reports there was no steel seen to be glowing red.
Originally posted by ULTIMA1
Originally posted by jfj123
Yes but you didn't say that and I didn't imply that.
I posted this in response to your post "We know that and office fire with proper ventilation can create enough heat to make steel glow red"
Also according to reports there was no steel seen to be glowing red.
[edit on 21-3-2008 by ULTIMA1]
* loses 50% of its structural strength and sags at 550°
Originally posted by jfj123
The steel got red hot somehow. It also doesn't prove any conspiracy.
Originally posted by ULTIMA1
Yes, but how did the steel get red hot and molten AFTER the buildings collapsed?
I posted photos of red hot and molten steel AFTER the towers were down. There are no photos or red hot steel in the towers BEFORE the collapse.