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Metallurgist

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Features of Technology for Pipe Steel Modification with Calcium and Cerium with Specification for Resistance to H2S-MEDIA

  • E. S. MursenkovEmail author
  • D. V. Kudashov
  • V. V. Kislitsa
  • E. L. Vorozheva
  • V. V. Naumenko
Article
  • 7 Downloads

Among many factors influencing steel resistance to hydrogen induced cracking, the sulfur content in the metal and steel modification technology with calcium are of particular importance. In assessing the impact of process parameters on HIC resistance many authors do not consider their effect on production process efficiency and other quality indicators. The combined effect of calcium and rare earth metals on hot-rolled steel quality is described (with respect to steel HIC resistance, and contamination of metal by nonmetallic inclusions) in this paper. Formation of nonmetallic inclusions containing calcium and rare earth metals is described, and nonmetallic inclusions in the metal with different versions of modification are analyzed. The optimum amount of calcium and cerium required for obtaining stable results for HIC resistance in low-carbon micro-alloyed steels while retaining good rolled steel surface quality is determined.

Keywords

low carbon steels with specification for stability in H2S media (according to NACE TM 0177-2016 and NACE TM0284-2011) steel modification with calcium and cerium inclusions based on manganese sulfide casting and rolling complex (CRC) 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • E. S. Mursenkov
    • 1
    Email author
  • D. V. Kudashov
    • 1
  • V. V. Kislitsa
    • 1
  • E. L. Vorozheva
    • 1
  • V. V. Naumenko
    • 1
  1. 1.AO Vyksa Metallurgical PlantVyksaRussia

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