Corrosive wear resistance of low alloy martensitic steel containing antimony

doi:10.13251/j.issn.0254-6051.2022.01.007

Abstract

Abstract: Two martensitic steels containing 0％Sb and 0.2% Sb were analyzed to research the influence of the addition of Sb on the wear resistance under corrosive environment. The microstructure and corrosion products were characterized by OM and SEM. Then the hardness, mechanical properties and corrosive wear properties were tested. The results show that the tested steels have high tensile strength, high hardness and good impact performance at low temperature (-20 ℃), which can be over 1400 MPa, 40 HRC and 45 J respectively, while the steel containing 0.2%Sb has better corrosive wear resistance. The Sb addition improves the corrosion resistance of the steel in acidic high chloride ion and high sulfate ion environment, improving abrasion resistance as mechanical properties and hardness ensured.

Key words: Sb-containing steel, corrosion resistance, corrosion mass loss, corrosive wear

CLC Number:

Wang Xin, Liang Xiaokai, Sun Xinjun. Corrosive wear resistance of low alloy martensitic steel containing antimony[J]. Heat Treatment of Metals, 2022, 47(1): 38-43.

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