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    Development of Domestic Tube Cold-rolling Equipment Technology
    Bai Lianhai, Zhu Xu
    2012, 41(4): 1-6.
    Abstract PDF
    Analysis of Production and Management Situations of Tenaris and Vallourec in 2011
    Chang Jianshe, Wu Lei, Yang Wenchen, Shi Yufei
    2012, 41(4): 7-11.
    Abstract PDF
    Discussion on Characteristics and Development Trend of CPE Process
    Peng Longzhou, Duan Wei, Yu Bangjian
    2012, 41(4): 12-17.
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    FEA of Oval Pass of 21-stand Stretch Reducing Mill
    Shi Jianhui, Zhao Chunjiang, Jiang Lianyun, Yu Hongjie, Bian Liping
    2012, 41(4): 18-22.
    Abstract PDF
    Research on Mini-flow Manufacturing Process of X60/2205 Bimetal Clad Pipe
    Liu Jianbin
    2012, 41(4): 23-27.
    Abstract PDF
    Roll Profile Design for and Structural Modification of 4-roll Planetary Pipe Mill
    Liu Zhiguang, Shuang Yuanhua, Liang Peixiao, Wu Jun
    2012, 41(4): 28-32.
    Abstract PDF
    Study and Design of Adaptive Steel Pipe Outer Surface Derusting System
    Zhu Jiabing
    2012, 41(4): 33-36.
    Abstract PDF
    Investigation of Factors Influencing Seam Quality of ERW Induction Welded Pipe
    Song Zhiqiang, Meng Qiang, Qu Deqiang
    2012, 41(4): 37-41.
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    Common Quality Problems of Spiral Welded Pipes and Relevant Corrective Actions
    Wu Peilong, Yang Yong
    2012, 41(4): 42-43.
    Abstract PDF
    Investigation of Cause for Inner Folds of Medium/Heavy-wall Pierced Shells and Countermeasures as Taken
    Li Min
    2012, 41(4): 44-48.
    Abstract PDF
    Failure Mechanism of Drilling Tools as Used in Surige Region and Relevant Preventative Actions as Proposed
    Hua Jianjun, Gu Zhenqian, Sun Jiguang, Zheng Wei, Zhao Yinghui
    2012, 41(4): 49-53.
    Abstract PDF
    Analysis of Common Causes for Build-up as Formed in Internally-burring Process of HFW Pipe
    Feng Baozhong, Hu Haibo, Wang Fang, Wang Tianfa, Wang Mingyan
    2012, 41(4): 54-57.
    Abstract PDF
    Control System of German SMS Meer-made Mechanical Tube Expander and its Operation Principle
    Liu Zengqiang, Wu Yajun, Wang Zhanli, Li Shan, Meng Fanjia, Li Ping
    2012, 41(4): 58-62.
    Abstract PDF
    A Newly-developed Pneumatic Process for Leak Testing of Stainless Steel Tube and Titanium Alloy Tube
    He Defu, Cao Zhiliang, Zhou Zhijiang, Cai Xingqiang, Xu Amin
    2012, 41(4): 63-67.
    Abstract PDF
    Automatic MFL-based Pipe-end NDT Method and System
    Sun Qifeng, Kang Yihua, Sun Yanhua
    2012, 41(4): 68-71.
    Abstract PDF
    Commonly-used NDT Methods and Techniques for Weld Pipes
    Cao Lei
    2012, 41(4): 72-74.
    Abstract PDF
    R&D of Flame Cutting Machine for Elbow Cropping
    Zhao Bo, Sun Qi, Yan Zhu, Yang Weiwei, Zhang Weidong, Zhao Tao, Qian Yong
    2012, 41(4): 75-78.
    Abstract PDF
    Cold-rolling Process and Tools for Pointing of Steel Tube
    Liu Huaren, Fan Shuping, Hao Jianwei
    2012, 41(4): 79-81.
    Abstract PDF
    WUHAN ZHONGKE INNOVATION TECHNOLOGY CO., LTD.
    2012, 41(4): 82-82.
    Abstract PDF