Abstract
The corrosion resistance of austenitic steel and nickel alloys is studied in the most aggressive media within the chemical shops of coke plants: in the stock solutions of the sulfate department and in sulfuric-acid solutions used for the purification of crude benzene. In the study, the most dangerous ions, activating corrosion in 10X17H13M2T steel, are CNS− ions, which are capable of destroying the passive layers on chromium-nickel-molybdenum steel in the stock solutions of the sulfate department. Research shows that sulfuric-acid solutions used for the purification of crude benzene are very aggressive in relation to high-alloy steel, titanium, zirconium, and copper. Possible structural materials for use in contact with such solutions include the nickel alloys ХН63МБ, ХН65МВНУ, and Hastelloy C-276.
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Original Russian Text © V.V. Zelenskiy, S.V. Nesterenko, L.P. Bannikov, 2014, published in Koks i Khimiya, 2014, No. 4, pp. 43–52.
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Zelenskiy, V.V., Nesterenko, S.V. & Bannikov, L.P. Corrosion resistance of nickel steel and nickel alloys in aggressive media. Coke Chem. 57, 167–176 (2014). https://doi.org/10.3103/S1068364X14040097
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DOI: https://doi.org/10.3103/S1068364X14040097