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      Articles in press have been peer-reviewed and accepted, which are not yet assigned to volumes /issues, but are citable by Digital Object Identifier (DOI).
      Development and Application of a New Metallurgically-bonded Seamless Bimetallic Composite Pipe
      YIN Chengxian, ZHANG Haibing, SU Hang, LI Wensheng, LIU Yonggang, ZHU Guochuan, MA Xiaofeng, FENG Yaorong
      2026, 55(2): 1-7. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.01.07
      Abstract PDF
      Present Development Status and Future Development Demand Judgment of Sizing(Reducing)Technology for Seamless Steel Tube
      OUYANG Jian, LIU Jie, MU Dong, ZHONG Jianxiong, ZHOU Jihong, WANG Jianhui
      2026, 55(2): 8-14. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.08.14
      Abstract PDF
      Prediction of Key Parameters for Seamless Steel Tube Piercing with Particle Swarm Optimization-based Random Forest Model
      WANG Jundong, WANG Xiaochen, ZHOU Jinbo, YANG Quan, LI Jingdong
      2026, 55(2): 15-22. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.15.22
      Abstract PDF
      Numerical Simulation and Performance Study of Four-wire Submerged Arc Welding Process for X80 Heavy-wall Steel Linepipe
      TANG Jinkang, WANG Zhensheng, DAI Zhijian, LIU Chun, CHEN Yixiang, GONG Wenjie, HUANG Yuequan
      2026, 55(2): 23-29. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.23.29
      Abstract PDF
      Microstructure and Properties of X80M Large-deformation Resistant Heavy-wall SAWL Steel Pipe
      HE Xiaodong, ZHANG Hongjie, ZHANG Yongqing, CHEN Yuefeng, HAN David
      2026, 55(2): 30-36. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.30.36
      Abstract PDF
      Digital Construction of Seamless Steel Tube Production Line
      YAN Wenxiu, WANG Dong, QIN Jie, ZHAO Zhicheng, GAO Zhen, LI Yongfei
      2026, 55(2): 37-42. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.37.42
      Abstract PDF
      Intelligentization of Process Equipment Technology for JCOE Production Line
      CHANG Faxiang, LI Ru, LI Kai
      2026, 55(2): 43-48. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.43.48
      Abstract PDF
      Finite Element Analysis of Near-net Forming for High-quality Precision Tube
      MA Hui, XIE Fan, MA Haikuan, KOU Yongle, SU Zhenhua
      2026, 55(2): 49-54. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.49.54
      Abstract PDF
      Analysis of White Spot Defect on Inner Surface of 25Mn Cold-drawn Oil Cylinder Tube
      JIN Xin, WANG Shiming
      2026, 55(2): 55-58. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.55.58
      Abstract PDF
      Improvement of Piercing Process for Non-magnetic 50Mn18Cr4V Seamless Steel Tube
      ZENG Yonggang, SUN Lidong, DENG Yuegang, WANG Wei, ZHANG Yan, SONG Lingxi
      2026, 55(2): 59-62. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.59.62
      Abstract PDF
      Mandrel Mill Rolling Process for TC4 Titanium Alloy Seamless Tube and its Application
      LIN Zhen, GAO Heping, GUO Dongqing, BAI Zhifeng, KAO Ran, DING Lahui, REN Wutao
      2026, 55(2): 63-67. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.63.67
      Abstract PDF
      Effect of JCOE Forming Process on Mechanical Properties of X65 Heavy-walled Steel Pipe
      ZHAO Yuyue, CHEN Xiaowei, WANG Xueshi, LI Yipeng
      2026, 55(2): 68-71. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.68.71
      Abstract PDF
      Analysis of Friction Coefficient and Torque Curve of Tubing and Casing Threaded Connection
      LIU Shaofeng, ZHAN Xianjue, PU Junyu
      2026, 55(2): 72-76. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.72.76
      Abstract PDF
      Analysis of the Current Status and Key Standards of Hydrogen Energy Industry Standard Systems at Home and Abroad
      SUN Hong, ZONG Qiuli, MIN Xiangling, ZHOU Jing, LI Cuiyan, WANG Yu
      2026, 55(2): 77-86. DOI: 10.19938/j.steelpipe.1001-2311.2026.2.77.86
      Abstract PDF

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