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    Cooperate for a Long Time to Develop the Country into a Steel Tube-making Giant in the New Era
    YANG Xiuqin, WANG Wenbo
    2019, 48(5): 1-6.
    Abstract PDF
    Controversial Issues Concerning Development of Hi-Cr Ferrite Heat-resisting Steel Tube(Part I)
    HE Defu, WANG Jingying
    2019, 48(5): 7-14.
    Abstract PDF
    Research on Heat Treatment Process for X70QS Linepipe for Service under Low-temperature and Acidic Conditions
    XIA Wenbin, ZHAO Yinghui, HUANG Dianyuan, XIE Kaiyi
    2019, 48(5): 15-18.
    Abstract PDF
    Study on Improving Accuracy of Measurement of Seamless Steel Tube Yield Strength
    WANG Ya'nan, ZHOU Xiaofeng, ZHOU Guoshuai, BIAN Lingxi, BIAN Hongzhen, HAN Mingjun
    2019, 48(5): 19-22.
    Abstract PDF
    Research and Development of Φ1 524 mm×20.3 mm X90 SAWH Pipe
    LIU Chengkun, RAN Yijie, PENG Bin, LI Xiaolong, XIAO Yongcheng, LIU Ye, PU Mengya
    2019, 48(5): 23-30.
    Abstract PDF
    Development of Q690E Seamless Steel Pipe for Service as Main Rod of Marine Crane Ship
    BIAN Lingxi, ZHOU Xiaofeng, LIU Jiangcheng, ZHOU Guoshuai, WANG Ya'nan
    2019, 48(5): 31-35.
    Abstract PDF
    Design of Inner Diameter Limit Gauge for Steel Pipes with Different Sizes
    MU Congqi, XIE Jie
    2019, 48(5): 36-39.
    Abstract PDF
    Actions as Taken for Improving Quality of Cold-bend Rectangular Steel Tube
    ZHU Chengsong, ZHU Shaowen, RUAN Jian'gang, SHENG Zhenjian, YAN Binbin, DUAN Junke
    2019, 48(5): 40-44.
    Abstract PDF
    Causes for Inner Surface Spiral Mark of Hi-Cr Alloy Steel Pierced Shell and Relevant Countermeasures
    CHEN Jintong, LIU Guanghua, ZHANG Mingya
    2019, 48(5): 45-47.
    Abstract PDF
    Production Practice of 65Mn-1 Seamless Steel Pipe for Conveyance Piping of Concrete Pump Truck
    LIN Faju
    2019, 48(5): 48-51.
    Abstract PDF
    Analysis of Causes for Crack of UNS N08810 Seamless Steel Tube as Occurring during Cold-expansion(drawing)Process and Relevant Control Measures
    GUO Ling, ZHAO Ming, PANG Yusi, LIU Fuqiang, WANG Lianhua, LIU Jing
    2019, 48(5): 52-55.
    Abstract PDF
    Experimental Study on Applicability of API LC Connection to Horizontal Well Service
    GE Xiao, ZHANG Peiyi, ZHAO Yanyan, HAO Yuhua
    2019, 48(5): 56-59.
    Abstract PDF
    Discussion on Product Diversification of Seamless Steel Tube Manufacturer
    ZHU Yanchun, CHU Zhibing, QIN Jianping
    2019, 48(5): 60-63.
    Abstract PDF
    Development of Automatic Control System as Preventing Coilloosening during Uncoiling Operation of Spiral Welded Pipe Mill Line
    MIN Jiandong
    2019, 48(5): 64-67.
    Abstract PDF
    Application of On-line Measuring System for Circumference of HSAW Pipe
    WANG Zhenhua
    2019, 48(5): 68-70.
    Abstract PDF
    Feasibility Analysis for Ring Collapse Testing to Deep-water Submarine Linepipe
    XU Liang, LIANG Caimeng, WU Shaoquan, OU Guangchao
    2019, 48(5): 71-75.
    Abstract PDF
    Study on Accurate Charging Method for Manufacturing 690 U-tube
    TANG Guozhen, DING Zhida, JIA Fengming
    2019, 48(5): 76-80.
    Abstract PDF
    Pipe-rolling process technology (Part Ⅴ)—Practical Technology for Hot-rolled Seamless Steel Tube
    CHENG Haitao, LI Chibo, LI Xiao
    2019, 48(5): 81-83.
    Abstract PDF