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    THE PROCESS AND EQUIPMENT CONFIGURATION OF 177mm ACCU-ROLL PLANT
    Yin Guomao, Yan Shuqin
    1991, 20(6): 1-7.
    Abstract PDF
    THE APPLICATONS AND DEVELOPMENTS OF RESTRAINED MANDREL MILLS WORLDWIDE （PART Ⅳ）
    Yan Shengxiang, Zhong Qianxia
    1991, 20(6): 8-12.
    Abstract PDF
    NON-UNIFORM WALL THICKNESS OF STEEL PIPE ROLLED ON PLUG MILL
    Zhang Xiaoshu
    1991, 20(6): 13-15.
    Abstract PDF
    ANALYSIS AND CONTROL OF VIBRATION OF PILGER MILL
    Fang Zhanxiao
    1991, 20(6): 16-20.
    Abstract PDF
    ANALYSIS OF ROLLING PRESSURE IN WALL-THICKNESS REDUCTION ZONE OF SIZING-ROLL AND OF MANDREL AXIAL FORCE WITH RESPECT TO DOUBLE-COIL-WELDED TUBES（Ⅱ）
    Yu Enlin, Wu Jian, Lai Mingdao
    1991, 20(6): 21-26.
    Abstract PDF
    EXPERIMENTAL INVESTIGATION ON DUAL-PHASE STEEL PIPE
    Hu Weiben, Yang Ruibao
    1991, 20(6): 27-32.
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    APPROACH TO THE ONE-PASS-PIERCING PROCESS ON 50mm SEAMLESS TUBE MILL
    Feng Zheng
    1991, 20(6): 33-36.
    Abstract PDF
    ANALYSIS OF RIB REDUCTION IN SPIRAL-INTERNAL-RIBBED TUBE COLD-DRAWING
    Jiang Zhengyi, Jie Chunrong, Wang Guodong, Zhang Qiang
    1991, 20(6): 37-40.
    Abstract PDF
    THE APPLICATIONS OF THE SIMPLE GAS-GENERATOR IN AN INDUSTRIAL FURNACE OR KILN
    Ni Zongyuan
    1991, 20(6): 41-42.
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    EFFECT OF PIERCING PLUG ACCURACY ON QUALITY AND OUTPUT OF STEEL PIPES AND TOOLING CONSUMPTION
    Ying Chengji
    1991, 20(6): 42-44.
    Abstract PDF
    HEAT-TREATMENT PROCESS OF 3Cr2W8V STEEL PIERCING PLUG
    Liu Zhipeng
    1991, 20(6): 44-46.
    Abstract PDF
    DEVELOPMENT OF 30m-LONG MANDREL BLANK IN CHINA
    Liu Qijun
    1991, 20(6): 47-49,53.
    Abstract PDF
    BRIEF INTRODUCTION TO "SEAMLESS STEEL PIPE HISTORY"
    Jin Rusong
    1991, 20(6): 50-53.
    Abstract PDF
    INFLUENCES OF Nb, Ti AND C CONTENTS ON CREEP RUPTURE STRENGTH OF HIGH STRENGTH AUSTENITIC STEEL USED UNDER SUPER HIGH CRITICAL PRESSURE
    Masao Kikuike, etc.
    1991, 20(6): 54-59,40.
    Abstract PDF
    THE PRODUCTION PROCESS FOR HIGH-QUALITY BIMETALLIC SEAMLESS STEEL PIPE
    Luis. M. Villar
    1991, 20(6): 60-62.
    Abstract PDF