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Relationship Between Microstructure and Mechanical Properties of X90 Pipeline Steel

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Abstract

The relationship between microstructure and mechanical properties of X90 pipeline steel was investigated. The results showed that X90 pipeline steel consists of granular bainite and M/A island. The mechanical properties including tensile and impact properties are influenced by the polygonal ferrite. Furthermore, the S content should be strictly controlled as little as possible in order to maintain the toughness of steel at low temperature.

Keywords

  • X90 pipeline steel
  • Granular bainite
  • M/A island
  • Mechanical properties

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Zhang, X., Yang, F. (2019). Relationship Between Microstructure and Mechanical Properties of X90 Pipeline Steel. In: Shemwell, S., Lin, J. (eds) Proceedings of the International Petroleum and Petrochemical Technology Conference 2018. IPPTC 2018. Springer, Singapore. https://doi.org/10.1007/978-981-13-2173-3_19

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  • DOI: https://doi.org/10.1007/978-981-13-2173-3_19

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-2172-6

  • Online ISBN: 978-981-13-2173-3

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