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《Physical Testing and Chemical Analysis(Part A:Physical Testing)》 2011-01
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Unqualified Reason Analysis on Non-destructure Testing of Q345E Hot Rolling Medium Plate

LI Zhi-li (Metallographic Laboratory,Technical Center of Baotou Iron and Steel Group,Baotou 014010,China)  
The unqualified reason of Q345E hot rolling medium plate by ultrasonic inspection had been analyzed by means of macroscopic examination,metallographic examination,fracture analysis and so on.The results showed that the reason was the segregation zone and the inclusions including manganese sulfide and niobium carbonitride which congregated in the central part of the medium plate.And the problem was solved by adjusting the process.
【CateGory Index】: TG335.11
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 HAN Jiong,GAO Liang(Anshan Iron and Steel Group Co,Anshan 114001,Liaoning,China);Analysis of Reasons for Defects in Flow Detection of Q345qE Plate[J];Physics Examination and Testing;2006-03
【Co-citations】
Chinese Journal Full-text Database 5 Hits
1 XU Shao-pu1,CUI Guan-jun1,LIU Qing-bo1,WU Yan2,YUAN Shao-wei1,ZHANG Zhi-hui1(1.Iron and Steel Research Institute of Nanyang Hanye Special Iron and Steel Co.,Ltd.,Nanyang 474500,Henan,China;2.Patent Office of Nanyang City,Nanyang 474500,Henan,China);Practice of Improving the Qualified Ratio for Ultrasonic Flaw Detection of Plate[J];Iron & Steel;2011-03
2 CHEN Fang-yu1,ZOU De-hui2,Chen Ji-qin1(1.Research and Development Center of WISCO,Wuhan 430080,China;2.College of Dynamics and Machinery,Wuhan University,Wuhan 430072,China);Mechanism of delamination in tensile fracture of Q345B plate[J];Research on Iron and Steel;2010-05
3 Yu Shuang(Jinan Iron and Steel Group Corporation);Causes Analysis of Non-Conformity in Ultrasonic Flaw Detection of Steel Plate for Boil and Pressure Vessel[J];Wide and Heavy Plate;2008-02
4 TAN Qingyuan1,WU Wei1,JIA Zhili1,ZHOU Yuanhua2(1.Department of Metallurgical Technology,Central Iron & Steel Research Institute,Beijing 100081,China;2.Chongqing Iron and Steel Co.,Ltd.,Chongqing 400081,China);Reason Analysis on Micro-cracks in Medium and Heavy Plate of Q345A Steel[J];Hot Working Technology;2011-02
5 CUI Guan-jun,XU Shao-pu,LIU Qing-bo,ZHAO Di,PANG Bai-ming,GAO Zhao-hai(Iron and Steel Research Institute of Nanyang Hanye Special Iron and Steel Co.,Ltd.,Nanyang 474500,Henan,China);Practice on Increasing Qualified Ratio of Ultrasonic Flaw Detection on Q345B Steel Plate of 20~60 mm[J];China Metallurgy;2010-07
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