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Development of Nb-Bearing High Strength Steel Plates for 150,000 M3 Oil Storage Tank

[+] Author Affiliations
Zhuzhong Gao, Qingfeng Ding, Hongwei Yang, Jingtao Li

Jiangyin Xingcheng Special Steel Works Co., Ltd., Jiangyin, China

Genmin Zhu

National Local Joint Engineering Laboratory of Oil and Gas Storage and Transportation Technology, Zhoushan, China

Zhongzhu Liu

CITIC Metal Co., Ltd., Beijing, China

Paper No. PVP2017-65751, pp. V06AT06A013; 6 pages
doi:10.1115/PVP2017-65751
From:
  • ASME 2017 Pressure Vessels and Piping Conference
  • Volume 6A: Materials and Fabrication
  • Waikoloa, Hawaii, USA, July 16–20, 2017
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5799-1
  • Copyright © 2017 by ASME

abstract

High strength steel plates for oil storage tanks are usually produced by Quenched and Tempered (Q&T) process which results in high energy cost. On the other hand, large-heat-input welding technologies, such as electro-gas welding, have been widely applied during large oil storage tanks construction. In the present paper, High strength steel plates for 150000 m3 oil storage tanks have been developed by Thermal Mechanical Control Process (TMCP) and Tempered process (TMCP-T). The effects of tempered temperature and Niobium content on mechanical performances of plates are investigated. High strength and high toughness as well as excellent large-heat-input weldability for Nb-bearing steel plates are observed and the reasons are discussed.

Copyright © 2017 by ASME

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