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    Review of Development of Domestic Seamless Steel Tube Industry in 13th FYP Period and Thinking for Further Development thereof in 14th FYP
    ZHUANG Gang, CHEN Hongqi
    2021, 50(5): 1-8. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.01.08
    Abstract PDF
    Research on Cold-drawing Deformation Process for UNS N08825 Inconel Seamless Steel Tube
    LI Yi, TUO Leifeng, CHU Zhibing, KANG Xitang, LIU Zhengwei
    2021, 50(5): 9-12. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.09.12
    Abstract PDF
    Research on Charpy Impact Energy of LSAW Pipe
    WANG Linlin, YANG Pengfei, FAN Jie, HAN Tieli, WU Zhenyu, WANG Lizhu
    2021, 50(5): 13-16. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.13.16
    Abstract PDF
    Ring-roll Spinning Process for Light-wall Pipe Fitting and Its Characteristics
    XU Yiwei, ZHOU Zipeng, LI Weizhuang, LIANG Jianguo, ZHANG Guoqing, ZHAO Chunjiang
    2021, 50(5): 17-20. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.17.20
    Abstract PDF
    Development of High Strength and Toughness HSM960 Seamless Steel Tube for Heavy Crane Boom Service
    ZHOU Yong, SONG Guangxin, XIA Wenbin
    2021, 50(5): 21-25. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.21.25
    Abstract PDF
    R & D of BT135VRE Casing for Deep Well Shale Gas Production
    ZHANG Xinggang, MI Yongfeng, GUO Zhiwen, WEI Miao, PEI Fuli, JIA Dongmei, YU Zejin
    2021, 50(5): 26-29. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.26.29
    Abstract PDF
    Design and Construction of Manufacturing Execution System(MES)for Intelligent Coupling Processing Workshop
    ZHANG Ge, LIU Wei, ZHAO Yun
    2021, 50(5): 30-37. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.30.37
    Abstract PDF
    Design and Actual Use of Double Circular Arc Pass of Stretch-reducing Mill
    WANG Wenqiang, CHENG Haitao, XIAO Yongzhong, WANG Rui, LI Jingmin
    2021, 50(5): 38-42. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.38.42
    Abstract PDF
    Cause Analysis for Mandrel Annular Scratch and Relevant Corrective Actions
    FENG Shiyun
    2021, 50(5): 43-46. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.43.46
    Abstract PDF
    Eliminating Surface Imperfection of High Frequency Welded Pipe by Optimizing Parameter Design of Squeeze Roller
    JIE Shengqi, CHEN Haoming, YANG Xifeng
    2021, 50(5): 47-49. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.47.49
    Abstract PDF
    Research on High Strength Casing Suitable for Working Condition of Staged-fracture Exploitation of Shale Gas
    WU Liangliang, ZHOU Jiaxiang, ZHANG Xu, WU Yongchao, AN Shengyue
    2021, 50(5): 50-52. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.50.52
    Abstract PDF
    Investigation of Causes for Abnormal Microstructure of N80-1 Casing and Relevant Corrective Measures
    ZHU Lin, ZOU Xiyang, CHENG Xianglong, HU Xiang
    2021, 50(5): 53-56. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.53.56
    Abstract PDF
    Analysis of Reasons for Cracking of N80-1 Tubing during Hydrostatic Test
    MI Yongfeng, LI Guanghui, LIU Yurong, HAO Baojiang, LUO Zhonghui, LI Wei, SHI Jiaoqi
    2021, 50(5): 57-60. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.57.60
    Abstract PDF
    Process and Equipment for Ф530 mm Rotary Rolling-expanding Pipe Mill
    FENG Guoying, CHANG Xinggang
    2021, 50(5): 61-63. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.61.63
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    Design and Application of Automatic Steel Pipe Weighing & Length-measuring System
    GU Aiqun, HAN Dongbin, ZHAO Lihua, ZHU He, WU Qianya, WANG Naihong, GAO Guangxu
    2021, 50(5): 64-67. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.64.67
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    Evaluation of Applicability of Long-term Stored Seamless Steel Tube
    YANG Hongli, DNEG Li, JI Bingyin, XU Aiyan, SHI Jiaoqi
    2021, 50(5): 68-71. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.68.71
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    Experimental Study on Thread Strength Performance of Drilling Coring Tool
    ZHANG Wandong, WU Jiang, LI Yanjun, SI Yinghui, CHEN Zhongshuai
    2021, 50(5): 72-76. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.72.76
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    Stress Analysis and Structure Optimization of Cold-drawing Head for Producing Seamless Steel Pipe
    ZHANG Shangyi, SHEN Zhengjie, PANG Deyu, WANG Mingjia
    2021, 50(5): 77-79. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.77.79
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    Discussion on Inspection of Pipe Fitting for Oil and Gas Transportation Service
    WANG Donglin, SHEN Ping, WANG Zhipeng, LI Anqiang, YU Guomin, LI Fuqiang
    2021, 50(5): 80-83. DOI: 10.19938/j.steelpipe.1001-2311.2021.5.80.83
    Abstract PDF