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Abstract <p>Lean-alloyed pipe steels 10KhB, 10F, and 10B have been developed and obtained in laboratory conditions. The experimental steels after heat treatment including quenching and high-temperature tempering demonstrated a level of mechanical properties of pipes of strength classes K52–K56 due to the formation of a dispersed structure of tempered sorbite. High levels of impact toughness KCV at –60°C and corrosion resistance in hydrogen sulfide–containing media have been achieved: resistance to sulfide stress corrosion cracking and hydrogen cracking was shown; the total corrosion rate was less than 0.03 mm/year.</p>

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Effect of Multielement Alloying on the Properties of Lean-Alloyed Steels for Seamless Hot-Rolled Pipes in Hydrogen Sulfide-Resistant Design

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • V. V. Yushchuk,
  • A. A. Komissarov,
  • I. V. Smarygina,
  • D. V. Kudashov,
  • E. D. Dolgach,
  • A. V. Muntin,
  • A. V. Chervonnyi

摘要

Abstract

Lean-alloyed pipe steels 10KhB, 10F, and 10B have been developed and obtained in laboratory conditions. The experimental steels after heat treatment including quenching and high-temperature tempering demonstrated a level of mechanical properties of pipes of strength classes K52–K56 due to the formation of a dispersed structure of tempered sorbite. High levels of impact toughness KCV at –60°C and corrosion resistance in hydrogen sulfide–containing media have been achieved: resistance to sulfide stress corrosion cracking and hydrogen cracking was shown; the total corrosion rate was less than 0.03 mm/year.