[bert]

Well, of course it melts...... but the temperature must be very hot to reach the steel melting temperature required for melting or cutting or welding

[snowtigger]

Steel does not have to melt to fail in a fire. Ask any structural engineer why steel beams have to be fireproofed and wood beams do not.

At about 950Deg F, a steel beam will fail under it's own weight. A wood beam will hold until it burns through.

I am not an engineer, but I spent much of my life working with them. If I have questions about structural strength, I will ask one of them, Not some Hollywood b*^ch.

[raybbr]

Steel, depending on the type, can melt at 2400 deg F. It becomes pretty soft around 1400F. It’s not beyond the realm of possibility that PVC, with the chimney effect, the get it that hot.

[the OlLine Rebel]

The point actually isn’t that steel melts - which it will - but that it weakens in the transition to that melting point. Weakening is all that’s needed to collapse.

Despite what Rosie o’Donut thinks.

[IncPen]

And God reaches out a finger and dispels another leftist trope: “Jet fuel can’t melt steel beams”

It’s been a bad week for the left.

[Fantasywriter]

‘the temperature must be very hot to reach the steel melting temperature’

Thank you, Captain Obvious.

;)

[Shady]

One of the key things in Firefighting is new “truss” construction..You have 10 minutes in a truss building (wood trusses held together by those steel honeycomb clamps) because those steel clamps will only last 10 minutes in a 1000* F fire.