We study the corrosion, electrochemical, and corrosion–mechanical properties of deposited KKh30N6VSR cobalt-based, NKh15SR3 nickel-based, and Kh16N8S5 iron-based alloys in a standard NACE hydrogen-sulfide solution. It is shown that the deposited Kh16N8S5 iron-based alloy is unsuitable for these conditions due to its low corrosion resistance and susceptibility to hydrogen-induced cracking. The cobalt- and nickel-based alloys are suitable for the surfacing of the components of shutoff fittings of the oil-and-gas extraction equipment. However, as far as the “operating characteristics–cost” ratio is concerned, the nickel-based alloy outweighs the cobalt- based alloy.
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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 45, No. 5, pp. 119–123, September–October, 2009.
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Chuchman, M.R., Ryabtsev, I.O., Krutsan, H.M. et al. Corrosion and stress-corrosion resistance of deposited metals in hydrogen-sulfide solutions. Mater Sci 45, 746–750 (2009). https://doi.org/10.1007/s11003-010-9239-7
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DOI: https://doi.org/10.1007/s11003-010-9239-7