Mechanical properties and corrosion resistance of steam oxidized T-250 steel

doi:10.13251/j.issn.0254-6051.2024.01.038

Abstract

Abstract: T-250 steel after steam oxidation treatment and air oxidation treatment was tested by tensile, electrochemical polarization curve, damp heat, salt spray and other tests to explore the effect of steam oxidation on mechanical properties, such as tensile strength and elongation of the T-250 steel and its corrosion resistance in different environments. The results show that the T-250 steel treated by steam oxidation has good mechanical properties and better corrosion isolation effect than that treated by air oxidation, without obvious hydrogen induced delayed fracture caused by steam.

Key words: T-250 steel, steam oxidation, oxide film, mechanical properties, corrosion resistance

CLC Number:

TG178

Zhang Xiaojuan, Wang Junxi, Bai Lu, Zhou Zhongping, Ni Linyu, Zhao Yuwei, Min Yongan. Mechanical properties and corrosion resistance of steam oxidized T-250 steel[J]. Heat Treatment of Metals, 2024, 49(1): 234-241.

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