Fire-resistant structural steels |
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Authors: | Yu D Morozov O N Chevskaya G A Filippov A N Muratov |
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Affiliation: | (1) I. P. Bardin Central Research Institute of Ferrous Metallurgy (TsNIIchermet), Russia;(2) Northern European Pipeline Project, Germany |
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Abstract: | The resistance of buildings and other facilities to fire depends on the extent to which their steel structures soften when
heated to the temperatures created by the fire. A steel is generally considered fire-resistant if its strength when heated
to such temperatures for short periods of time remains equal to 0.6–0.7 of its strength at room temperature. The alloying
system Cr-Mo-V-Nb can be used for steels that are designed to be fire-resistant up to 700° C. The greatest resistance to fire
— up to 800°C — is obtained in steels that contain boron.
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Translated from Metallurg, No. 7, pp. 44–51, July, 2007. |
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