Heat Resistance of Certain Structural Steels

Abstract:

Heat-resistance (scale resistance) is the steel corrosion fastness in dry gas at high temperatures. At the temperatures over 570 °С, the ferrous alloys oxidize, as ferric oxide (wustite) with simple cubic lattice appears on the metal surface. Such oxide lacks oxygen atoms (omission solid solution) and does not interfere with the diffusion between metal and oxygen. As a result of this process the brittle oxide-scale develops and the loss of metal increases. In order to increase the heat-resistance of steel, different alloying elements are included into its composition, forming oxides with the tight structure of crystal lattice. In this paper we’ve investigated the heat-resistance of some structural steels and analyzed their corrosion resistance in the high temperature aggressive environments of chemical productions.

• Periodical: Solid State Phenomena (Volume 265)
• Pages: 868-872
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.265.868
• Online since: September 2017
• Authors: A.S. Tyusenkov*, A.V. Rubtsov, R.R. Tlyasheva
• Keywords: Alloying Element, Chrome-Nickel Steel, Corrosion Resistance, Gas Corrosion, Heat-Resistance, Pyrolysis Furnace, Steel

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