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    Domestic Processing Technology and Equipment for Extra Large-sized Seamless Steel Tube
    YU Wei, WEI Na, CHENG Zhisong, ZHOU Yong
    2025, 54(2): 1-10. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.01.10
    Abstract PDF
    Development and Application of Medium Frequency Hot-expanded Steel Tube Process
    WANG Honghai, CHEN Dong, CHEN Junde, ZHU Guangya
    2025, 54(2): 11-17. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.11.17
    Abstract PDF
    Research on FBE Coating Process and Coating Inspection Standard for Ultra Sized Steel Water Pipe
    ZHONG Xuequan, YANG Qi, SHI Wenhua, LEI Tao, LUO Qiujie, PENG Huanghu, YANG Weifang
    2025, 54(2): 18-22. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.18.22
    Abstract PDF
    Development of Strain-based Designed X80M HD2 Pipeline Steel and UOE Pipe
    ZHANG Chuanguo, LI Yuan, XIE Shiqiang, ZHONG Guixiang, SUN Leilei
    2025, 54(2): 23-27. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.23.27
    Abstract PDF
    Finite Element Simulation Analysis of Pit Defect-bearing Mandrel Force
    CHAI Haowen, GONG Dianyao, NIU Wenhao, LIANG Jianshan, YUAN Guo
    2025, 54(2): 28-33. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.28.33
    Abstract PDF
    Effect of Solution Treatment on Microstructure and Mechanical Properties of S30432 Stainless Steel Tube
    DING Xianxian, TAN Shuping, YAN Wei, WAN Shuaishuai, ZHANG Guoxing
    2025, 54(2): 34-38. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.34.38
    Abstract PDF
    Development of X65 Pipeline Steel for Supercritical CO2 Transport Environment
    WU Zhongwen, DAI Zhijian, WANG Lanlan, ZHANG Pengcheng, WU Huibin
    2025, 54(2): 39-44. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.39.44
    Abstract PDF
    Development of High-precision Algorithm for Opening Value of Rotary Piercing Groove
    WANG Jiugang, ZHENG Jiancong, YUE Shibin, SUN Haiming
    2025, 54(2): 45-48. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.45.48
    Abstract PDF
    Practice of Improving Quality of Steel Pipe End Equal WT Butt Joint Beveling
    ZHAO Zhiwei, PANG Haolin, GAO Lei, GAO Zhenyu, GUO Zhenqi
    2025, 54(2): 49-52. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.49.52
    Abstract PDF
    Analysis of Inner Surface Defect of Hydraulic Cylinder Case
    CHENG Kai, ZHANG Lingtong, WANG Shuling, ZHANG Mengmeng
    2025, 54(2): 53-57. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.53.57
    Abstract PDF
    Practice of Application of Full Oxygen Combustion Technology to Circular Heating Furnace
    LIANG Haiquan, CHI Jianzhou, DING Hongjun, LIU Zhimin
    2025, 54(2): 58-62. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.58.62
    Abstract PDF
    Discussion on Process for High Strength ERW Pipe for Lifting Equipment Boom Service
    ZHOU Jinmiao, HAN Bo
    2025, 54(2): 63-67. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.63.67
    Abstract PDF
    Study on Method for Process Control of Pre-welding for Seam-jointing of LSAW Pipe
    LI Bangcai
    2025, 54(2): 68-72. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.68.72
    Abstract PDF
    Analysis on Causes for Deformation Failure of Double-layer Casing in a Certain High-pressure Gas Well
    LU Xiaoqing, XU Xinghai
    2025, 54(2): 73-78. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.73.78
    Abstract PDF
    Residual Magnetism Characteristics of HSAW Pipe and Relevant Reduction Measures
    MAO Jianjun, LI Xiaolong, MAO Haoyu, LIU Xin
    2025, 54(2): 79-82. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.79.82
    Abstract PDF
    Research on UT Method for Oblique Defect of Boiler Pipe as Hot-rolled with CPE Plug Mill
    ZHU Xiaodong
    2025, 54(2): 83-86. DOI: 10.19938/j.steelpipe.1001-2311.2025.2.83.86
    Abstract PDF