at what temp. and how long would it take to weaken good structural grade steel?

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at what temp. and how long would it take to weaken good structural grade steel?

2007-03-22 11:34:20 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Engineering

2 answers

Structural grade steel losses approximately 50% of its strength at 1100 degrees F.
This is why it is coated with an insulator during construction - to prevent any significant loss of integrity in case of a fire.

2007-03-22 14:31:57 · answer #1 · answered by LeAnne 7 · 0⤊ 0⤋

depends on the steel. An average of steels melt around 2500 degrees F

2007-03-22 12:16:02 · answer #2 · answered by crippldogg 3 · 0⤊ 0⤋