BenBurch
Gatekeeper of The Left
Incorrect.
Cardington Fire Test data:
http://www.mace.manchester.ac.uk/pr...trucfire/DataBase/TestData/BRETest/page47.htm
See, for example, Primary beam , grid line E , location B14. It reaches 600 C in just 17 minutes and 1000 C in 40 minutes.
Do you know the strength of steel at 600 C? How about 1000 C?
See also the graph I posted on the previous page.