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    Strengthening confidence and braving difficulties in facing ever-change market environment and making efforts to achieve industry development goals and ensure a good start of twelve five-year plan
    Yan Zesheng
    2011, 40(6): 1-4.
    Abstract PDF
    Opportunities accompanied with challenges and development pregnant with risk
    Cheng Haitao
    2011, 40(6): 5-9.
    Abstract PDF
    Development History and Thought about Future Development of Seamless Steel Pipe Production and Equipment in Our Country
    Yin Guomao
    2011, 40(6): 10-19.
    Abstract PDF
    Production Technology and Development of OCTG Manufactured by Welding Mill
    Cao Yong, Mu Dong, Han Huiquan
    2011, 40(6): 20-25.
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    Discussion Second Time on Geometrical Conditions of Line Contact between Cross Rolling Roll and Rolled Piece——Geometrical Models of Cross Rolling Expanding Mill and Cross Rolling Reducing Mill
    Zhan Zunshun
    2011, 40(6): 26-29.
    Abstract PDF
    Study on Precision Straightening Method for Thin-walled Seamless Steel Pipes
    Li Lianjin
    2011, 40(6): 30-34.
    Abstract PDF
    Analysis of Mechanical Properties of Domestic Made X100 SAWH Pipe
    Sun Hong, Tian Peng, Li Yanfeng, Zong Qiuli
    2011, 40(6): 35-38.
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    Welding Equipment and Process of Spiral Seam Welded Pipe in Tack-welding
    Zhang Shanbao, Yang Zhanli, Yang Yongbo, Yin Zhiyuan, Zhou Yan
    2011, 40(6): 39-42.
    Abstract PDF
    Analysis of Microstructure and Segregation Phase of Corrosion Resistant Cr-Mo Steel Pipe
    Sun Yu, Zhang Zhiyuan, Han Lihua, Zhang Bing, Ning Mei, Li Zhiqun, Lu Hong
    2011, 40(6): 43-48.
    Abstract PDF
    Study on Manganese Phosphating Process for Couplings of Tubing & Casing
    Ma Liubao, Zhu Jing, Lai Xingtao
    2011, 40(6): 49-52.
    Abstract PDF
    Establishment of Mathematical Model of Φ720 mm Pilger Mill Rolling Data
    Liu Qizeng, Zhang Min
    2011, 40(6): 53-56.
    Abstract PDF
    Analysis of Reducing Billet Oxidation Burning Loss and Energy Consumption in Rotary Hearth Furnace
    Di Jun, Qin Guiwei, Hou Yongjie
    2011, 40(6): 57-59.
    Abstract PDF
    Analysis of Hydrostatic Pressure Bursting Test on Spiral Seam Welded Pipe
    Liu Hongfei
    2011, 40(6): 60-64.
    Abstract PDF
    Discussion on Restrained Mandrel Service Life in a MPM Mandrel Mill
    Li Qun, Gao Ruiquan, Zhang Yonglan, Wang Lianfa
    2011, 40(6): 65-70.
    Abstract PDF
    Application of Drive Monitor Software on Parameters Back-up of Frequency Converter in Steel Pipe Chamfering Machine for SAWL Tube Welding Units
    Liu Zengqiang, Wang Zhanli, Cai Shuyan, Meng Fanjia, Xie Yufeng
    2011, 40(6): 71-73.
    Abstract PDF
    CHENGDU METALLURGICAL ENGINEERING CO.,LTD.
    2011, 40(6): 74-74.
    Abstract PDF