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    THE APPLICATIONS AND DEVELOPMENTS OF RESTRAINED MANDREL MILLS WORLDWIDE
    Yan Shengxiang, Zhong Qianxia
    1991, 20(3): 1-6.
    Abstract PDF
    A NEW CONIC PIERCING MILL
    Tang Yuanyi
    1991, 20(3): 7-12.
    Abstract PDF
    TRIAL-ROLLING OF SHAFT PIPE FOR UNDER-OIL PUMP MOTOR
    Xiong Fengxiao, Liu Fuji
    1991, 20(3): 12-14,20.
    Abstract PDF
    PRODUCTION PROCESS FOR BOILER PIPE OF 10MoWVNb STEEL
    Lu Jinghe
    1991, 20(3): 15-17.
    Abstract PDF
    MECHANISM AND PREVENTION OF THE CRACK OCCURRENCE OF SHAPED COLD-DRAWN STEEL PIPES
    Hao Guoqiang, Zhang Dequan
    1991, 20(3): 17-20.
    Abstract PDF
    IMPROVEMENT OF THE PRODUCTION PROCESS OF 40Cr STEEL PIPE FOR DRILL ROD CASING
    Wu Zhicheng
    1991, 20(3): 21-23.
    Abstract PDF
    TRIAL HOT-ROLLING OF LARGE-DIAMETER BEARING TUBE
    Zhang Shiming
    1991, 20(3): 23-25.
    Abstract PDF
    APFLICATION OF NEWLY-DEVELOPED CZ-4 VITREOUS LUBRICANT FOR PIERCING STAINLESS STEEL PIPE ON CROSS-ROLLING PIERCING MILL
    Wan Xiudi
    1991, 20(3): 26-28.
    Abstract PDF
    DEVELOPMENT OF ROLLS FOR A STRETCH-REDUCING MILL
    Zhong Xidi
    1991, 20(3): 29-34.
    Abstract PDF
    INVESTIGATION ON SERVICE LIFE OF LD STEEL MANDREL
    Yang Changshou, Sun Jitao, Wang Zongbao
    1991, 20(3): 34-37.
    Abstract PDF
    Cr12MoV STEEL——A KIND OF EXCELLENT MATERIAL OF ROLLS FOR TUBE-WELDING
    Yuan Zuxun
    1991, 20(3): 38-39.
    Abstract PDF
    MAKING OF REPAIR SCHEDULE FOF WELDED-TUBE MILL ROLLERS BY SERIATION METHOD
    Wei Zhushan
    1991, 20(3): 40-40,25.
    Abstract PDF
    REAL-TIME MICROPROCESSOR MONITORING SYSTEM FOR PRESSURE IN HF PIPE LONGITUDINAL-WELDING
    Yanshan University, Hebei Electromechanics Institute, Hengshui Steel Pipe Factory
    1991, 20(3): 41-47.
    Abstract PDF
    STUDY ON THE ACCURACY OF HOT-ROLLED TUBES ON A PILGER MILL
    В.И. Девятисильный, etc.
    1991, 20(3): 47-48.
    Abstract PDF
    A NEW PROCESS FOR TUBE STRAIGHTENING OVER ITS FULL-LENGTH
    Н.И. Старумкин, etc.
    1991, 20(3): 49-51.
    Abstract PDF
    DEVELOPMENTS OF LOW TONNAGE SEAMLESS TUBE PLANTS
    W. J. Ammerling, etc.
    1991, 20(3): 52-55.
    Abstract PDF
    TANKS FOR CHEMICAL SURFACE TREATMENT OF STEEL PIPES
    Selmo Clermann
    1991, 20(3): 56-57.
    Abstract PDF
    KNOWLEDGE OF SHAPED STEEL PIPE PRODUCTION （PART Ⅲ）
    Liu Zuohuan
    1991, 20(3): 58-62.
    Abstract PDF