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    UPPER LIMIT ANALYSIS OF WALL THICKNESS VARIATIONS IN PIPE SINKING DRAWING
    Jiang Zhengyi, Jie Chunrong, Wang Guodong
    1992, 21(5): 1-4.
    Abstract PDF
    SOME ASPECTS CONCERNING THE THEORY OF SEAMLESS STEEL PIPE CROSS-ROLLING PROCESS
    Luo Tao
    1992, 21(5): 5-12,24.
    Abstract PDF
    INVESTIGATION ON NEW HIGH-MOLECULAR LUBRICATION PROCESS FOR SEAMLESS STEEL PIPE COLD-ROLLING (DRAWING)
    Zhang Zhaoxi, Cao Jianrong
    1992, 21(5): 13-21.
    Abstract PDF
    INVESTIGATION ON IMPROVEMENT OF NON-UNIFORM SHELL WALL THICKNESS
    Zhang Caian, Li Tiangui
    1992, 21(5): 21-24.
    Abstract PDF
    PRODUCTION PROCESS OF 20~108mm DIAMETER THICK-WALLED STAINLESS STEEL PIPE
    Zhao Zhanghua, Ye Huamao, Liang Junheng
    1992, 21(5): 25-28.
    Abstract PDF
    EXPERIMENTAL INVESTIGATIONS ON WRINCKLES OCCURRED ON THE SURFACES OF 1Cr18Ni9Ti SEAMLESS TUBES
    Xing Ruizhen, Cai Lianbi
    1992, 21(5): 29-32.
    Abstract PDF
    MANUFACTURING TECHNOLOGY FOR WELDED BOILER STEEL PIPE IN JAPAN
    Zhang Hongren
    1992, 21(5): 32-36.
    Abstract PDF
    INFLUENCE OF DEFORMATION MAGNITUDE AND GEOMETRIC DIMENSIONS ON MECHANICAL PROPERTIES OF WELDED PIPE
    Yang Wenqian, Wen Yinglin
    1992, 21(5): 37-38.
    Abstract PDF
    APPLICATION OF FOUR-BAR MECHANISM TO ROLLER HEARTH FURNACE OUTLET UNIT
    Zhang Qiyu
    1992, 21(5): 39-40.
    Abstract PDF
    NEW MOVEABLE PEDESTAL-TYPE PNAUMATIC STOPPER FOR STEEL PIPE
    Xie Genquan
    1992, 21(5): 41-43.
    Abstract PDF
    INNOVATION OF STEEL PIPE PLAIN-END CHAMFERING MACHINE
    Li Jinsheng, Liu Xikun
    1992, 21(5): 44-46.
    Abstract PDF
    CCD ON-LINE DYNAMIC OD GAUGE FOR HOT-ROLLED STEEL PIPE
    Yi Zhan
    1992, 21(5): 47-50.
    Abstract PDF
    INVESTIGATION ON PRODUCTION PROCESS OF HOT-ROLLED SMALL-DIAMETER TUBE
    1992, 21(5): 50-52.
    Abstract PDF
    NEW TRENDS IN SEAMLESS PIPE PRODUCTION: MINI-MPM
    ,
    1992, 21(5): 53-55.
    Abstract PDF
    NEW HIGH-SPEED DIFFUSION WELDING SYSTEM
    ,
    1992, 21(5): 55-58.
    Abstract PDF
    HOT PUSHING OF ELBOW (Part Ⅴ)
    Hao Wenxiu, Zhao Dexiang
    1992, 21(5): 58-62.
    Abstract PDF