ISSN:1003-8620

CN:42-1243/TF

主管:中信泰富特钢集团股份有限公司

主办:大冶特殊钢有限公司

特殊钢 ›› 2020, Vol. 41 ›› Issue (1): 21-23.

• 工艺技术 • 上一篇    下一篇

套管TG22热轧钢带研究及产业化

武利平1,2,  智建国2, 刘青1, 王少炳2, 张江山1   

  1. 1北京科技大学钢铁冶金新技术国家重点实验室,北京100083 ;
    2包钢股份技术中心,包头014010
  • 出版日期:2020-02-01 发布日期:2022-04-19
  • 作者简介:武利平(1991-),男,博士生,2015年内蒙古科技大学(本 科)毕业,新产品开发。

Research and Industrialization of Hot Rolled Casing TG22

Wu Liping1,2 ,Zhi Jianguo2 , Liu Qing1, Wang Shaobing2,Zhang Jiangshan1   

  1. 1 Key Laboratory of Advanced Metallurg, University of Science and Technologytate Beijing,Beijing 100083;
    2 Centre of Technology,Baotou Iron and Steel Co Baotou 014010)
  • Published:2020-02-01 Online:2022-04-19

摘要: 为了适应深井及超深井应用需求,通过设计化学成分及优化轧制工艺,开发一种兼备强度和低温冲击韧性的油气井用TG22热轧钢带。结果表明:采用化学成分设计为Fe-0.24%C-0.20%Si-1.30%Mn-0.020%Nb时,加热炉目标出钢温度1170℃、中间坯厚度46mm、终轧温度830℃和卷取温度570℃时,热轧钢带力学性能为Rel 506~554 MPa、Rm 654~685 MPa、A5029%~35%、Rel/Rm 0.75~0.82及KV2(-10℃)45.5~63.6 J。

关键词: 成分设计, 热轧工艺, TG22热轧钢带, 力学性能

Abstract:  In order to adapt the application requirement for deep well and extradeep well, a combined strength and low temperature impact toughness of TG22 hot rolling steel pipes casing is developed by design of chemical composition and optimization of rolling process. The results indicated that the designed chemical composition is Fe-0. 24% C-0.20% Si-1.30% Mn-0.020% Nb, the target temperature in the heating furnace is 1170 °C and the intermediate slab thickness is 46 mm, the finishing rolling temperature is 830 with coiling at 570℃ , the mechanical properties of strip are Rel 506 ~ 554 MPa、 Rm 654 ~685 MPa.A5029% 〜35%、Rel/Rm 0.75 ~0. 82 and KV2( - 10℃ ) 45.5 -63.6 J.

Key words: Chemical Design, Hot Rolling Process, TG22 Hot Rolled Steel Strip, Mechanical Properties ,