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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).
      Analysis of Production and Operation Situations of Tenaris and Vallourec in 2024 and First Half of 2025
      WU Lei
      2025, 54(4): 1-5. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.01.05
      Abstract PDF
      Progress of Research on Technology of Piercing Plug for Seamless Steel Tube
      LIU Mingrui, ZHENG Chuncai, WANG Wanli, YE Zheng, HUANG Jihua
      2025, 54(4): 6-18. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.06.18
      Abstract PDF
      Development of PyQt5-based Wall Thickness Control System for FQM Pipe Mill
      ZHANG Zhenqi, HU Jianhua, HE Zonglin, QIN Jie, HUANG Xian'an, HAO Zhihong, CHEN Jianxun
      2025, 54(4): 19-24. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.19.24
      Abstract PDF
      Influence by Inner Wall Shot Blast Process on Steam Oxidation Resistance of High-Cr Austenitic Heat-resistant Steel Tube
      HE Sifan, YANG Shouen, LIU Guangming, ZENG Fanwei, XIE Xiaoyuan
      2025, 54(4): 25-30. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.25.30
      Abstract PDF
      Influences of Different Process Technologies on Intergranular Corrosion Behavior of 304 Stainless Steel Tubular Product
      YAN Guobiao, LIN Honghui, GUO Qi, LI Chuanqiang, ZHANG Zhengrong
      2025, 54(4): 31-36. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.31.36
      Abstract PDF
      Development and Application of Hot-rolled, Air-cooled Bainite Seamless Steel Pipe for Slurry Transportation Service
      ZHOU Xiaofeng, HUANG Yongzhi, WANG Lingyun
      2025, 54(4): 37-40. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.37.40
      Abstract PDF
      Research on Control of Tubing and Casing Appearance Quality during Quenching and Tempering Process
      JIAO Tangqian, DU Le, WANG Xu, ZHENG Yanping, QIANG Kang, YANG Yinzhen, ZHANG Li
      2025, 54(4): 41-45. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.41.45
      Abstract PDF
      Process Development and Quality Control of Large-sized 12Cr5MoNT Alloy Steel CC Round
      YANG Zhaoyu, LI Xiao, DOU Zihao
      2025, 54(4): 46-49. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.46.49
      Abstract PDF
      Research and Application of Ultra-low Flue Gas Emission of Circular Heating Furnace——SNCR-SDS-based Integrated Process
      XU Zhanhai, WANG Zenghai, LIN Zhen, ZHANG Ruilin, FANG Xu, ZHANG Baojun
      2025, 54(4): 50-53. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.50.53
      Abstract PDF
      Research on Mechanism of Influence by Rotary Piercing Process Parameters on Rolling Torque and Relevant Optimization
      XU Fuchang, BAI Guangjie
      2025, 54(4): 54-59. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.54.59
      Abstract PDF
      Research on Manufacturing Technology of S32750 Super Duplex Stainless Steel Ultra Light-wall Welded Pipe
      LI Qiang, LI Junzhao, PENG Shengjun, YIN Xin, YU Hang, ZENG Xianshan
      2025, 54(4): 60-65. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.60.65
      Abstract PDF
      Analysis of Reasons for Corrosion-caused Leakage of Buried Oil Pipeline at a Certain Station
      LI Dong, GUO Lei, GUO Lei, HAO Bochao, XU Yan, WU Jinhui
      2025, 54(4): 66-70. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.66.70
      Abstract PDF
      Research on Optimization of Heat Treatment Process for and Control of Microstructure Property of A1Q 125 Casing
      LIU Jilin, ZHAO Jianming, YAN Pian, TAN Yawen
      2025, 54(4): 71-76. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.71.76
      Abstract PDF
      Research on Radiographic Inspection Method for Transverse Defect Detection of Iron-nickel-based Alloy Seamless Pipe
      WANG Bowen, TUO Leifeng, HE Xiaohui, LI Yan, NIU Bo, GUO Lei
      2025, 54(4): 77-81. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.77.81
      Abstract PDF
      An Error Calibration Method for Intelligent Ultrasonic Phased Array Testing System
      CAO Huayong, WANG Chao, CAI Yixuan, ZHOU Can
      2025, 54(4): 82-86. DOI: 10.19938/j.steelpipe.1001-2311.2025.4.82.86
      Abstract PDF

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