Microstructure transformation behaviour of 610MPa HSLA Steel Plate for 150,000 m3 Oil Storage Tank Construction |
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Authors: | SUN Wei-hua WANG Guo-dong ZHANG Ji-ming XIA Dian-xiu |
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Affiliation: | [1]State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, Liaoning, China [2]Jigang Group Co Ltd, Jinan 250101, Shandong, China |
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Abstract: | Static and dynamic continuous cooling transformation (CCT) on 610MPa HSLA Steel Plate for 150,000 m3 Oil Storage Tank Construction were carried out on a MMS200 thermo-mechanical simulation system. It has found that with cooling rate increases pre-eutectoid ferrite, pearlite, granular bainite and lathing bainite will appear in the transformed microstructure. In comparison with static CCT, the transforming points of acicular ferrite, granular bainite and lathing bainite in the dynamic CCT curve shift to the left proving an increased acicular ferrite and bainite transformation area. |
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Keywords: | steel plate for oil storage microstructure transformation CCT-curve non-quenching and tempering |
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