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    Current Condition and Improvement of Seamless Steel Tube Rotary Piercing Process and Equipment
    LUO Tao, LIU Jingjiang, ZHU Zenglong
    2019, 48(3): 1-8.
    Abstract PDF
    Analysis of Intermediate Frequency Induction Heating and Plug Pushing Hot Expanding Process
    MI Yongfeng, CHEN Shengming, CHENG Haitao
    2019, 48(3): 9-13.
    Abstract PDF
    Influence of Al and Mg on High-temperature Oxidation Resistance of Zinc Alloy Electroplating Solution
    YANG Weifang, LI Yuanpeng, LIU Canlou, XIONG Junbo, HAO Maode, JIANG Sheming
    2019, 48(3): 14-19.
    Abstract PDF
    Development of X70QS Seamless Steel Pipe for Linepipe for Sour Service
    LI Yan, ZHAO Xingliang, LIU Jiangcheng, ZHANG Guozhu
    2019, 48(3): 20-23.
    Abstract PDF
    Development and Production of Seamless Steel Pipe for TP550RD Rotary Digging Machine Drill Pipe
    BIAN Lingxi, ZHOU Xiaofeng, ZHOU Guoshuai, WANG Ya'nan, BIAN Hongzhen
    2019, 48(3): 24-27.
    Abstract PDF
    Development of Pass Design Software for 3-roll Mandrel Pipe Mill
    LU Lifeng, WANG Jiugang
    2019, 48(3): 28-32.
    Abstract PDF
    Design Calculation of Drive System of Walking Beam Cooling Bed for Seamless Steel Pipe
    WEI Hao, WANG Cheng, ZHANG Bentong, MA Ranran
    2019, 48(3): 33-35.
    Abstract PDF
    Application and Improvement of Edge Milling Machine for Spiral Weld Pipe
    YU Xiangning, LU Qilu
    2019, 48(3): 36-39.
    Abstract PDF
    Optimization of 238 mm Series Passes of Piercing Mill for Ф180 mm Mini-MPM Plant
    ZHANG Wenliang, WANG Dong
    2019, 48(3): 40-44.
    Abstract PDF
    Process Study of CPE Mill for Hot-rolling T91 Seamless Steel Tube
    WANG Chunkai, LIU Yang
    2019, 48(3): 45-47.
    Abstract PDF
    Discussion on Hot Expanding Process for Quenched and Tempered Seamless Steel Pipe
    WANG Jianwen, XIAO Changming
    2019, 48(3): 48-50.
    Abstract PDF
    Measures to Increase Heat Efficency of Φ50 m Rotary Heating Furnace
    LIN Lizhi, MA Xinyu, FANG Xu
    2019, 48(3): 51-55.
    Abstract PDF
    Influence of Heat Treatment Temperature on Super Duplex Steel UNS S32760 Tubular Products
    SHAO Haili, ZHAO Zengqiang, PANG Yusi, LIU Fuqiang, WANG Lianhua, HAN Hengli
    2019, 48(3): 56-59.
    Abstract PDF
    Analysis and Processing of Communication Fault of Section Forming Machine
    SHEN Binjie
    2019, 48(3): 60-62.
    Abstract PDF
    Research on Non-pollution Zero-emission Surface Treatment for OCTG Threads
    WANG Qiong, ZHAO Shilong, MENG Zhao
    2019, 48(3): 63-67.
    Abstract PDF
    Study on Coating Process for Natual Gas Pipeline
    CHEN Xiaowei, ZHANG Xiaohui, CHEN Hongchang, GUO Li
    2019, 48(3): 68-70.
    Abstract PDF
    Discussion on Roll Profile Curve Design of 6-roll Straightener
    CHEN Yong
    2019, 48(3): 71-73.
    Abstract PDF
    Analysis and Suggestion on Application of Demestic Automatic NDT Equipment for Seamless Steel Tube
    KUANG Xuejun
    2019, 48(3): 74-77.
    Abstract PDF
    Pipe-rolling process technology (Part Ⅲ)—Practical Technology for Hot-rolled Seamless Steel Tube
    CHENG Haitao, LI Chibo, LI Xiao
    2019, 48(3): 78-83.
    Abstract PDF