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Abstract

High-strength steels are susceptible to stress-corrosion cracking (SCC) even in moist air. This chapter identifies such steels and the applications where they are typically found. It provides information on crack growth kinetics and crack propagation models in which hydrogen embrittlement is the predominant mechanism. It explains how different application variables affect SCC, including loading mode, state of stress, type of steel, temperature, electrochemical potential, heat treatment, and deformation processes. It also compares SCC characteristics in different high-strength steels and discusses the influence of composition, steelmaking practice, and application environment.

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R.H. Jones, Stress-Corrosion Cracking of High-Strength Steels (Yield Strengths Greater Than 1240 MPa), Stress-Corrosion Cracking: Materials Performance and Evaluation, 2nd ed., Edited By Russell H. Jones, ASM International, 2017, p 67–94, https://doi.org/10.31399/asm.tb.sccmpe2.t55090067

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