High strength UOE pipe with excellent CTOD properties and deformability

Yoshio Terada, Akihiko Kojima, Akihito Kiyose, Takashi Sawai, Ryuji Uemori, Kazuaki Tanaka, Takao Nakashima, Tetsuji Kadoya, Masahiko Murata, Takashi Kawaguchi

研究成果: Contribution to conferencePaper査読

11 被引用数 (Scopus)

抄録

New steel manufacturing technology has been developed to attain excellent HAZ toughness of high-strength steels. In this steel, the HAZ microstructure near a weld fusion line is refined markedly by utilizing the strong retardation of austenite grain growth as well as the formation of intragranular ferrite. A dual phase microstructure is very effective for obtaining both high uniform elongation and low Yield/Tensile ratio in the high strength UOE pipe body. High strength, low Y/T ratio and high uniform elongation of the steel pipe can be attained by optimizing the area fraction of ferrite and the grain size by applying accelerated cooling technology. New high strength UOE pipes called "Tough-Ace" possessing both excellent HAZ toughness and deformability have been developed, and the X60 UOE pipe has been mass-produced for the Sakhalin Project.

本文言語英語
ページ279-286
ページ数8
DOI
出版ステータス出版済み - 12 17 2003
外部発表はい
イベント22nd International Conference on Offshore Mechanics and Arctic Engineering; Materials Technology Ocean Engineering Polar and Arctic Sciences and Technology Workshops - Cancun, メキシコ
継続期間: 6 8 20016 13 2001

その他

その他22nd International Conference on Offshore Mechanics and Arctic Engineering; Materials Technology Ocean Engineering Polar and Arctic Sciences and Technology Workshops
Countryメキシコ
CityCancun
Period6/8/016/13/01

All Science Journal Classification (ASJC) codes

  • Ocean Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

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