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《IRON AND STEEL》 2000-04
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HE Jingchun JIANG Junpu (University of Science and Technology Beijing) GUO Zhaocheng LI Chunlong LIU Zhe (Baotou Iron and Steel(Group)Co )  
The factors which influence toughness and grain size of J55 grade oil casing produced by Baotou Iron and Steel(Group)Co have been studied in detail through field investigation and experiments in laboratory The problems that the CVN toughness and grain size did not meet the standards were overcomed successfully by increasing the [Mn] and [Al] total and decreasing [C] in the steel with secondary refining and rolling temperature control The mechanical properties and grain size of some 5000 tons trial castings fully met the requirements specified by API standard The optimum steel chemistry and processing technology have been recommended to Baotou Iron and Steel(Group)Co
【CateGory Index】: TF76
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2 ZHANG Wei1,2,QI Xian-ling2,JU Yan-mei2,ZHENG Gui-yun2,JIA Lu-feng2(1 University of Science and Technology Beijing,Beijing 100083,China; 2 Laiwu Iron and Steel Group Co.,Ltd.,Laiwu 271104,China);Development of High Quality 37Mn5 Tubular Billet for Oil Well Pipe[J];Shandong Metallurgy;2007-02
3 ZHANG Wei, WANG Mei, DU Xian-bin, GE Wen-ying (Laiwu Iron and Steel Group Corporation, Laiwu 271104, China);Development of N80 Non-quenched and tempered Tube Billet for Oil Well Pipe[J];Shandong Metallurgy;2008-06
4 LIU Yuyan1, BAO Xirong1, CHEN Lin1, LIU Ping2 (1.School of Material and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, China;2.Centre of Technology, Baogang Group, Baotou 014010, China);Research of High Temperature Thermoplastic of 37Mn5 Billet[J];Hot Working Technology;2008-01
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Chinese Journal Full-text Database 10 Hits
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5 WU Chang-you1,WANG Fu-lin1,DONG Zhi-gui2,SUO Rui-xia1 (1. College of Engineering,Northeast Agricultural University,Harbin 150030,Heilongjiang Province,China; 2. Shenyang Orient Titanium Industry Co.,Ltd.,Shenyang 110016,Liaoning Province,China);Application of Improved Particle Swarm Optimization in Power Load Combination Forecasting Model[J];Power System Technology;2009-02
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Chinese Journal Full-text Database 3 Hits
1 DONG Zhen (Iron & Steel Research Institute of Baotou Steel (Group) Corporation, Baotou 014010, China);Analysis of internal defect of CC round billet[J];Science & Technology of Baotou Steel(Group) Corporation;2002-04
2 Wang Haibing(Chengdu Iron and Steel Co Ltd, Pangang Group, Chengdu 610069);Practice for Refining Process of 92 t Ladle Furnace for Tube Bloom Steel J55[J];Special Steel;2005-05
3 Liu Liming (Tangshan International Head Office of Engineering,Tangshan 063000,China);The Quality Defects Commonly Existing in Continuouscasting Steel Billets[J];JOURNAL OF TANGSHAN POLYTECHNIC COLLEGE;2000-02
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