Development of 6% nickel steel for LNG storage tanks

Hitoshi Furuya, Naoki Saitoh, Yasunori Takahashi, Katsumi Kurebayashi, Yoichi Kayamori, Takehiro Inoue, Ryuji Uemori, Motohiro Okushima

研究成果: 著書/レポートタイプへの貢献会議での発言

5 引用 (Scopus)

抄録

9% Ni steel has been used for LNG storage tanks for more than four decades although 5.5% Ni steel (N-TUF CR196) was developed in the 1970's using a special heat treatment method named L-treatment. The reason why the actual application of 5.5% Ni steel has not been attained to LNG storage tanks is mainly because the requirement of fracture properties is not confirmed for the tanks. Under the circumstances of expanding demand for natural gas and double-integrity in LNG storage tanks, we restarted developing low Ni steel for LNG storage tanks by using both conventional and advanced techniques. For the application of low Ni steel to the present LNG storage tanks, both fracture initiation and propagation properties of base metal plates and welded joints should be concerned. The fracture initiation and propagation properties of base metal were compensated with the intercritical reheating process (L-treatment), and the propagation property was additionally enhanced by combining TMCP with L-treatment. In addition, the chemical composition adjustment and the homogenization treatment of solute elements were conducted for improving the fracture initiation and propagation properties of welded joints. 6% Ni steel plates were manufactured by the process of continuous casting, reheating, hot rolling, direct quenching (TMCP), L-treatment, and tempering, and their chemical composition was 0.05C-0.06Si-1.0Mn-6.3Ni-Cr-Mo. As the results of fracture property evaluation including large-scale fracture tests such as the duplex ESSO test and the wide plate tensile test, it was demonstrated that 6% Ni steel has good characteristics regarding brittle fracture initiation and propagation in base metal plates and welded joints.

元の言語英語
ホスト出版物のタイトルASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011
ページ327-331
ページ数5
DOI
出版物ステータス出版済み - 12 1 2011
外部発表Yes
イベントASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011 - Rotterdam, オランダ
継続期間: 6 19 20116 24 2011

出版物シリーズ

名前Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
3

その他

その他ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011
オランダ
Rotterdam
期間6/19/116/24/11

Fingerprint

Liquefied natural gas
Nickel
Steel
Plate metal
Welds
Hot rolling
Brittle fracture
Continuous casting
Tempering
Chemical analysis
Quenching
Natural gas
Heat treatment
Metals

All Science Journal Classification (ASJC) codes

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

これを引用

Furuya, H., Saitoh, N., Takahashi, Y., Kurebayashi, K., Kayamori, Y., Inoue, T., ... Okushima, M. (2011). Development of 6% nickel steel for LNG storage tanks. : ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011 (pp. 327-331). (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; 巻数 3). https://doi.org/10.1115/OMAE2011-49594

Development of 6% nickel steel for LNG storage tanks. / Furuya, Hitoshi; Saitoh, Naoki; Takahashi, Yasunori; Kurebayashi, Katsumi; Kayamori, Yoichi; Inoue, Takehiro; Uemori, Ryuji; Okushima, Motohiro.

ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011. 2011. p. 327-331 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; 巻 3).

研究成果: 著書/レポートタイプへの貢献会議での発言

Furuya, H, Saitoh, N, Takahashi, Y, Kurebayashi, K, Kayamori, Y, Inoue, T, Uemori, R & Okushima, M 2011, Development of 6% nickel steel for LNG storage tanks. : ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE, 巻. 3, pp. 327-331, ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011, Rotterdam, オランダ, 6/19/11. https://doi.org/10.1115/OMAE2011-49594
Furuya H, Saitoh N, Takahashi Y, Kurebayashi K, Kayamori Y, Inoue T その他. Development of 6% nickel steel for LNG storage tanks. : ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011. 2011. p. 327-331. (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE). https://doi.org/10.1115/OMAE2011-49594
Furuya, Hitoshi ; Saitoh, Naoki ; Takahashi, Yasunori ; Kurebayashi, Katsumi ; Kayamori, Yoichi ; Inoue, Takehiro ; Uemori, Ryuji ; Okushima, Motohiro. / Development of 6% nickel steel for LNG storage tanks. ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering, OMAE2011. 2011. pp. 327-331 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE).
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