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    Product Mix Analysis of Vallourec and Related Inspiration for Steel Tube Enterprises of China(PartⅡ)
    TIAN Yan
    2020, 49(6): 6-11.
    Abstract PDF
    Study on Corrosion Resistance of Steel Tube for Evaporator Pipe Bundle
    ZHANG Qinglian, DARWIN D A, Wang Xiaobing
    2020, 49(6): 12-17.
    Abstract PDF
    Experimental Study on Resistance against External Collapse of Shale Gas Casing
    ZHANG Xu, CHEN Yupeng, ZHOU Jiaxiang, WU Yongchao, WU Liangliang
    2020, 49(6): 18-21.
    Abstract PDF
    Research & Development of Process for 301L Stainless Steel Seamless Tube for High-speed locomotive Service
    WANG Lianhua, GUO Ling, LIU Fuqiang, LIU Jing
    2020, 49(6): 22-24.
    Abstract PDF
    Design,Development and Manufacture of Straightener for Large-sized Welded Pipe
    XU Gentao, HUANG Jie, XU Wei
    2020, 49(6): 25-31.
    Abstract PDF
    Conception of Real-time Steel Tube Tracking System
    GONG Qiang, OUYANG Jian
    2020, 49(6): 32-36.
    Abstract PDF
    Design and Application of Centralized-circulation Treatment System for Rolling-oil for Steel Tube Cold-rolling Process
    ZHU Jiabing, WANG Jiaqiang
    2020, 49(6): 37-40.
    Abstract PDF
    Analysis of Causes for Transversal Crack of 4130X Steel Pipe for Making Large-volume Gas Cylinder
    WANG Yong, SONG Guangxin, PENG Xianming
    2020, 49(6): 41-44.
    Abstract PDF
    Causes for“Hexagonal Bore”Defect of Steel Pipe and Relevant Optimization Measures
    MENG Qingfei
    2020, 49(6): 45-48.
    Abstract PDF
    Effect on Quality of LSAW Pipe by Consistent Wire-feeding Operation
    WANG Lizhu, LU Rongzhao, LIU Tao, WANG Linlin, CHEN Long, WU Hongxing, WANG Jun
    2020, 49(6): 49-51.
    Abstract PDF
    Study on Physiochemical Properties of Φ1 422 mm×38.5 mm X80 Steel Pipe
    ZHAO Yuyue, PANG Guiliang, WANG Qiang, ZHANG Tingting, BAI Xuewei, ZHAO Bo, YANG Weiwei
    2020, 49(6): 52-56.
    Abstract PDF
    Design and Development of Pass of Large-sized 5-stand,3-roll Sizing Mill
    WEI Guang
    2020, 49(6): 57-60.
    Abstract PDF
    Analysis on Fracture of Sulfide Stress Corrosion Crack of X65QS Anti-corrosion Seamless Steel Linepipe
    ZHAO Xingliang, LI Yan, LIU Jiangcheng, HOU Qiang, ZHAO Chunhui
    2020, 49(6): 61-64.
    Abstract PDF
    Failure Analysis on Bursting of Φ530 mm×55 mm 45 Steel Hydraulic Cylinder during Hydrostatic Test
    JIN Boying, YANG Baoqi, ZHAO Jianming
    2020, 49(6): 65-68.
    Abstract PDF
    Application of Dual-hanger Clamp Feeding Mode to Full-auto Pipe Cutting Machine
    FU Zhongwei
    2020, 49(6): 69-72.
    Abstract PDF
    Application of AC/DC 12-pulse Rectification Speed Control System for Ф219 mm DME Pipe Mill
    YAN Wenxiu
    2020, 49(6): 73-76.
    Abstract PDF
    Determination of Roll Nominal Diameter of Steel Pipe Rolling-mill
    GAO Ruiquan, YU Luqiang
    2020, 49(6): 77-79.
    Abstract PDF
    Steel tube heat treatment process technology （Part Ⅱ） —Practical Technology for Hot-rolled Seamless Steel Tube
    CHENG Haitao, LI Chibo, LI Xiao
    2020, 49(6): 80-83.
    Abstract PDF