[Cvengr]

While wooden structures might be ductile and have less mass, this steel moment frame is one of very few surviving the San Francisco Earthquake of 1906 as well as the fire afterwards.

[cripplecreek]

The flash steel hardening process developed by a self taught metallurgist in Detroit a few years ago (Flash Bainite) Should be showing up in construction soon if it hasn’t already.

Lighter stronger steel hardened faster and cheaper

http://bainitesteel.com/

[editor-surveyor]

It is unusual for a steel frame to survive a fire.

They usually are annealed by the heat of the fire, and curl up like a fresh boiled noodle.

That was the reason for the thick asbestos gunite that used to be applied to steel frames.

.