Im not done researching this yet, but I thought I would post some interesting links on melted/molten steel and reports from various OTHER fires.
OK so lets start looking at claims of "molten" or "melted steel".
http://www.muskogeephoenix.com/apps/pbcs.dll/article?AID=/20051130/NEWS01/511300303/1002
The house where Ingle said she grew up has burned into a rubble of broken bricks and
pools of melted aluminum, plastic and steel.
http://godetia.com/dirt/closet/005012.html
Fire temperatures exceeded 2000 degrees.
The flames melted steel and turned brick to ashes.
http://www.kthv.com/news/news.aspx?storyid=15436
He says the fire was so hot, the
melted steel beams look like pieces of bent licorice.
http://www.coverall.net/customers/rocky_mountain_log_homes_print.html
The steel walls contained the fire, it became like a 'blast furnace' inside.
The heat literally bent and melted one inch thick steel.
http://dailybulletin.com/entertainment/ci_3982478
Melted plastic, paint, steel and electrical components from the refrigerator, stove and microwave mixed together to create an unbearably rancid stench.
http://66.218.69.11/search/cache?p=...teel+house+fire&d=ED93WzmtNBh2&icp=1&.intl=us
A study of the 1991 Oakland fire that burned 3,000 homes
revealed the presence of melted copper in over 80% of the burned structures, and
what appeared to be melted steel in over 90% of the burned structures. With respect
to steel, looks can be deceiving. What appears to be melted may be merely oxidized.
http://www.wcpo.com/news/2005/local/10/11/fire.html
The fire reached temperatures of 2,000 degrees,
which melted steel beams, investigators said.
http://www.ajchomefinder.com/newsinclude/c.../4quarters.html
The slate roof had collapsed into the shell of the building, the north wing where the fire began wasdestroyed, and
steel beams were twisted and melted.
http://www.interfire.org/res_file/fseab_cb.asp
The most obvious reason for the presence of melted copper is that the fire temperature exceeded the copper's melting temperature.
There are many documented examples of such melting and brazing to solid steel walls.
http://abclocal.go.com/wpvi/story?section=local&id=4232623
Lightning struck the Starbound Gymnastics Center in Bridgeton and destroyed the center's electrical system.
The center literally glowed with
heat that melted steel beams and made trophies look more like abstract pieces of sculpture.
http://www.urbanplanet.org/forums/lofiversion/index.php/t3161.html
State police said a car apparently forced a tanker truck carrying 12,000 gallons of home heating oil into a concrete barrier on the southbound side of the highway, sparking a huge fire that burned for a couple of hours and damaged both sides of the interstate Thursday night.
Authorities said the fire damaged the steel support beams that carry both sides of the highway over Howard Avenue.
"It was such an intense heat that it melted the bridge," said Wallace Thomas, Bridgeport's deputy fire chief. "Once it sagged, it made a pool of it made a pool of burning fuel oil
http://www.cbsnews.com/stories/2006/03/24/earlyshow/main1435439_page2.shtml
Cruise Fire Left All Blackened, Melted
"It's hard to explain how things that appeared to be solid steel columns and railings and everything else were melted away. The fire was obviously very hot."
I'll add more later