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    Review of Domestic Steel Tube Industry in 2019 and Prospection for It in 2020
    GU Ligong
    2020, 49(3): 1-5.
    Abstract PDF
    Development of and Expectation to Intelligent Manufacture of SAWH Pipe
    SUN Zhigang, ZHOU Shuliang, LI Jianming, LI Rujiang
    2020, 49(3): 6-11.
    Abstract PDF
    Establishment of Theoretical System for Design and Adjustment of 2-roll Rotary Piercing Mill
    PAN Feng
    2020, 49(3): 12-16.
    Abstract PDF
    Analysis of Tempering-caused Re-crystallization Phenomenon of High Grade Pipeline-purposed Steel
    ZHAO Xingliang, LI Yan, LIU Jiangcheng, HOU Qiang, HU Li, ZHAO Chunhui, ZHANG Guozhu
    2020, 49(3): 17-20.
    Abstract PDF
    Effect by Welding Material on Microstructure Properties of X70 SAWL Pipe
    WANG Yan
    2020, 49(3): 21-24.
    Abstract PDF
    R&D ofΦ1 422 mm X80 Induction-heated Bend for Sino-Russia East-line Project
    GONG Zhongwang, ZHAO Zhiwei, CHEN Yuehua, DU Guoqiang, BAI Fuliang
    2020, 49(3): 25-29.
    Abstract PDF
    R&D of UNS N08031 Alloy Seamless Pipe for Chemical Heat Exchanger
    WANG Lianhua, GUO Ling, LIU Fuqiang, SHAO Haili
    2020, 49(3): 30-33.
    Abstract PDF
    Analysis of Quench-caused Crack of Large-sized P91 Steel Tube
    TIAN Yan, PENG Xianming, ZUO Guofeng, ZHOU Yong
    2020, 49(3): 34-37.
    Abstract PDF
    Effect by Rolling Process on Shape of X70 Pipeline-purposed Steel Plate
    YANG Xiaolong, YIN Baoliang, WANG Qiang, ZHENG Zhixiu, ZANG Miao, YIN Shaojiang
    2020, 49(3): 38-41.
    Abstract PDF
    Practice of Production Technology for ZT640 Economical Heavy/medium-walled Seamless Steel Tube for Geological Drilling Service
    WANG Shanbao, WU Hong, ZHAO Bo, YUAN Qin, XIE Degang, LI Zhe, WANG Shiwen, ZHANG Yao
    2020, 49(3): 42-46.
    Abstract PDF
    Analysis and Discussion of Reason for Cracking of Automobile Axle Pipe as Developed during Quenching& Tempering Process
    HUANG Youqi, ZHOU Yong, ZHAO Jianming
    2020, 49(3): 47-50.
    Abstract PDF
    Experimental Research on Anti-galling Performance of Oil Casing
    ZHAO Yong
    2020, 49(3): 51-53.
    Abstract PDF
    Selection of Inner Burr-cutting Tools for Friction-welded Oil Drill Pipe
    NIU Chengjie, ZHANG Meimei, WANG Xianlin
    2020, 49(3): 54-58.
    Abstract PDF
    Introduction of Modification of a Certain Domestic Φ89 mm Mandrel Mill Line
    OUYANG Jian, MU Dong, TANG Hongliang
    2020, 49(3): 59-64.
    Abstract PDF
    Diagnostic Analysis of Network Fault of Profibus
    GONG Tao
    2020, 49(3): 65-68.
    Abstract PDF
    Analysis of Performance of HSTITitanium Alloy Premium Connection
    HU Zhili, LI Xiaobing, LI Jianliang, FU Qiang, WU Dan, ZHANG Chuigui, LI Jian, HU Xintai
    2020, 49(3): 69-72.
    Abstract PDF
    R&D of a Wireless Transmission Technology-based Flux Leakage Detection System for Steel Plate
    WEN Qi'nan, LI Qinghua, FENG Xiaoyu, SUN Yibo, LIU Shiwei, SUN Yanhua
    2020, 49(3): 73-77.
    Abstract PDF