Abstract
The carburisation resistance of various cast steels used for tube applications in ethylene furnaces has been assessed in a laboratory test which closely simulates service conditions. Particular attention has been given to the effects of thermal cycling and of decoke cycles involving air or air/steam mixtures on carburisation behaviour. The results show that intermittent oxidation combined with thermal cycling gives increased carbon penetration and that decoking with air/steam mixtures has a more damaging effect on carburisation resistance than air alone. Tests on a new group of alloys developed primarily for high strength have shown attractive properties in terms of carburisation resistance. The higher nickel materials were particularly resistant and the results suggest that Zr has an important beneficial effect.
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© 1987 ECSC, EEC, EAEC, Brussels and Luxembourg
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Hall, D.J., Jones, J.J. (1987). The Carburisation Behaviour of Steels for Petrochemical Plant. In: Marriott, J.B., Merz, M., Nihoul, J., Ward, J. (eds) High Temperature Alloys. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1347-9_12
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DOI: https://doi.org/10.1007/978-94-009-1347-9_12
Publisher Name: Springer, Dordrecht
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