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    Thinking about How to Prevent the Country's Turning from a Seamless Steel Tube-making Giant into a Dwarf in the Field
    Cheng Haitao
    2011, 40(4): 1-5.
    Abstract PDF
    Property Analysis of One Pass-formed Upset End of N80-1 Externally-upset Tubing
    Wang Guozheng, Zhang Pengju, Zhao Yangmin, Zhang Desong, Li Jianjun, Zhou Zhangying
    2011, 40(4): 6-9.
    Abstract PDF
    Study on Strength Parameters of Large-sized Piercing Mill
    He Xintian, Liu Ke, Guo Hai, Wang Ziyan
    2011, 40(4): 10-14.
    Abstract PDF
    Test Analysis of Shell Inner Fold Defect Occurring in Piercing Process for Manufacturing Ф107.95 mm×15 mm J55 Seamless Steel Tube
    Tan Feng, Chen Yong, Gao Shan, Huang Wangxiang
    2011, 40(4): 15-18.
    Abstract PDF
    Application of Wavelet Pocket Technique to Torsion Analysis of Rolling Mill Drive Spindle
    Chang Yu, Shi Rong, Gao Congmin, He Qian, Cao Xiaoqi, Zuo Yanbing, Li Xiaorong
    2011, 40(4): 19-22.
    Abstract PDF
    Development of Nickel Base Alloy Tubing/Casing for Service in Hi-acidic Corrosive Gas Field
    Zhang Zhonghua, Zhang Chunxia, Chen Zhangfeng, Shao Weidong, Wang Li
    2011, 40(4): 23-28.
    Abstract PDF
    Development and Application of Large-sized X80 UOE SAWL Pipe
    Xie Shiqiang, Gui Guangzheng, Zheng Lei, Zhang Bei
    2011, 40(4): 29-36.
    Abstract PDF
    R and D of Large-sized Corrugated Round Steel Ingot
    Ma Huanyu, Li Zhensheng
    2011, 40(4): 37-40.
    Abstract PDF
    Design Calculation of Linkage-structured Centering Roll Steadier
    Yang Dezhao, Cheng Bo, Li Yafan, Guo Cunhong
    2011, 40(4): 41-43.
    Abstract PDF
    Analysis of Causes for Thread Galling and Jump-out of N80-Q Tubings as Used in a Certain Oil Well
    Li Lei, Liu Wenhong, Song Shengyin
    2011, 40(4): 44-48.
    Abstract PDF
    A Study on MES of JCOE Pipe Mill Line based on Proficy Intelligent Platform
    Wang Dongming
    2011, 40(4): 49-53.
    Abstract PDF
    Modification of Electrical Control System for Steel Pipe Support of Chamfering Machine
    Wu Xin, Wang Yabin
    2011, 40(4): 54-55.
    Abstract PDF
    Hi-speed Flux Leakage Detection System Operating with Steel Pipe Rotating and Related Critical Techniques
    Zhang Li, Wu Jianbo, Sun Yanhua, Kang Yihua
    2011, 40(4): 56-59.
    Abstract PDF
    X-Ray Industrial TV Detection Process with 100% Coverage for Welded Steel Pipe Seam Inspection
    Li Shaoyun, Hu Qingyang, Han Baocheng, Ye Yongchun
    2011, 40(4): 60-62.
    Abstract PDF
    Research & Development of Complex Mandrel
    Li Xiaozhong, Zhou Xiaofeng, Gao Ruiquan, Yin Xiquan
    2011, 40(4): 63-66.
    Abstract PDF
    Determination of On-line Heat Treatment Process for Quenched Seam of 30Mn2 HFW Pipe
    Cao Lei
    2011, 40(4): 67-69.
    Abstract PDF
    Application of Enterprise Information Management Network System in Baosteel HFW Plant
    Shi Hongde, Liu Yuwen, Lai Xingtao, Gu Zhongying
    2011, 40(4): 70-73.
    Abstract PDF
    NINGBO ZHEHUA HEAVY STEEL PIPE MANUFACTURING CO.,LTD.
    2011, 40(4): 74-74.
    Abstract PDF