Study of the corrosion behaviour of S32101 duplex and 410 martensitic stainless steel for application in oil refinery distillation systems | Zendy

Roland Tolulope Loto | Zendy

Open Access

Study of the corrosion behaviour of S32101 duplex and 410 martensitic stainless steel for application in oil refinery distillation systems

Author(s) -

Roland Tolulope Loto

Publication year - 2017

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.832

H-Index - 44

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2016.11.001

Subject(s) - materials science , metallurgy , corrosion , martensitic stainless steel , martensite , chromium , duplex (building) , refinery , polarization (electrochemistry) , microstructure , waste management , dna , chemistry , biology , genetics , engineering

The corrosion behaviour of S32101 duplex and 410 martensitic stainless steel was studied through weight loss and potentiodynamic polarization in 1–6 M HCl solutions. Results show that S32101 steel has significantly lower corrosion rates than 410 steel from both tests at all concentrations with highest values of 0.04586 mm/y and 0.234 mm/y in comparison to martensitic steel with corrosion rates of 0.827 mm/y and 19.84 mm/y at 6 M HCl concentration. Micrographs from SEM and EDS analyses showed a less corroded morphology for S32101 steel with fewer pits and slight depletion in the percentage composition of chromium and other alloying elements

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