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    HISTORY AND PROSPECT OF OIL-FIELD DRILL PIPE PRODUCTION
    Zhang Zhiqi, Chen Su
    1994, 23(4): 1-9.
    Abstract PDF
    ACTION AND PROSPECT FOR 100% HORIXONTAL CONTINUOUS STEEL CASTING RATE
    Zhan Yifeng, Ye Cangqing
    1994, 23(4): 10-12,17.
    Abstract PDF
    TRIAL PRODUCTION OF ROLLED PIPES WITH Φ270mm CC ROUNDS OF 20Mn3 St.
    Chen Wijin, Zhu Jingqing, Jiag Jingli
    1994, 23(4): 13-17.
    Abstract PDF
    DEVELOPMENT OF Φ219mm MEDIUM-SIZED WELDED PIPE FORMING MILL
    Ni Xuncheng
    1994, 23(4): 18-20.
    Abstract PDF
    MANUFACTURE PROCESS IMPROVMENT OF COLD-ROLLED St35 STEEL PRECISION TUBES WITH HIGH FINISH
    Liu Cheng, Liu Zhihuai
    1994, 23(4): 21-22.
    Abstract PDF
    CROP-CONTROL IN STEEL PIPE STRETCH-REDUCING PROCESS
    Ding Dayu
    1994, 23(4): 23-26.
    Abstract PDF
    EXPERIMEMT ON LUBRICANT FOR HOT-ROLLED STEEL PIPES
    Zhou Xudong, Wang Shijun, Wang Pingping
    1994, 23(4): 27-29.
    Abstract PDF
    MOLTEN SOLUTION FOR HOT-DIPPING GALVANIZATION TO INCREASE WORK-PIECE PRE-DIPPING TEMPEATURE
    Wu Qingfu
    1994, 23(4): 30-31.
    Abstract PDF
    CAM-FEEDING TYPE DUAL-PIPE FACING/CHAMFERING MACHINE
    Cao Jian
    1994, 23(4): 32-35,38.
    Abstract PDF
    IMPROVEMENT ON FLYING-SAWING MACIHINE WITH MECHINCAL LENGTH-MEASURING FUNCTION
    Feng Shaowi, Wang Li
    1994, 23(4): 36-38.
    Abstract PDF
    APPLICATION OF WAVED GROOVE TO PLUG PIPE MILL
    Zhao Dexiang, Piao Zhimin, Hao Wenxiu
    1994, 23(4): 39-42.
    Abstract PDF
    PORTABLE PYNEUMATIC STEEL PIPE BINDER
    Wang Bing, Gao Fusheng
    1994, 23(4): 43-44.
    Abstract PDF
    SURFACE COATING PROCESS FOR OIL TUBES & PIPES
    Mao Wengang, Huang Junbin
    1994, 23(4): 45-48.
    Abstract PDF
    555 TIME-BASE ELECTRICAL CIRCUIT EMPLOYED BY FLYING SAWING MACHINE WITH MECHANICAL LENGTH-MEASURING FUNCTION
    Chen Hongxing
    1994, 23(4): 48-49.
    Abstract PDF
    APPLICATION OF BAG TYPE DUSTING SYSTEM TO HOT-DIPPING GALVANIZATION
    Wang Haomin, Hui Yong
    1994, 23(4): 50-51.
    Abstract PDF
    APPLICATION OF BUILD-UP WELDED ROLL TO PIERCER OF Φ140mm PLUG MILL
    1994, 23(4): 52-52.
    Abstract PDF
    SEAMLESS STEEL TUBE FOR HYDRAULIC MINING PILLAR
    Hao Yulin
    1994, 23(4): 53-58.
    Abstract PDF
    DEVELOPMENT OF WEAR-RESISTANT STEEL PIPE FOR BULK MATERIAL TRANSPORT
    Hang Kai, Wang Zhixing
    1994, 23(4): 59-60.
    Abstract PDF
    DEVELOPMENT OF COOLANT PIPE FOR COAL-MINE FREEZING DIGGING
    Chen Ming
    1994, 23(4): 61-62.
    Abstract PDF