Effect of Cooling History on Yield Ratio of Fine-grain Ferrite/Pearlite Steel

材料科学技术（英文）, 2005, 21(6): 791-794.

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1.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

2.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

3.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

4.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

5.State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110004, China

6.Panzhihua Steel Group Co. Ltd, Panzhihua 617067, China

基金项目: 新材料领域项目(2001AA332020-01)

Effect of Cooling History on Yield Ratio of Fine-grain Ferrite/Pearlite Steel

Keywords： HP295 steel sheet

Effect of different cooling history on yield ratio of HP295 steel for welded gas cylinder was studied and the result implied that both fine microstructure and good mechanical properties can be attained by using two-stage cooling and controlling the coiling temperature. The yield ratio of HP295 steel sheet was reduced to less than 0.8 by twostage cooling process. The pass percent of yield ratio was enhanced from less than 90% to 100%. The mechanical properties satisfied the criteria of GB6653-1994.

参考文献

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[2]	Haitao CHAI.[A].China,2004:159.
[3]	Fuxian ZHU;Guodong WANG .[J].Iron Steel,1992,27(02):28.
[4]	Fuxian ZHU;Guodong WANG .[J].Iron Steel,1992,27(09):38.
[5]	Hongjin ZHAO;Fuxian ZHU .[J].Iron Steel,1992,29(07):36.

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Effect of Cooling History on Yield Ratio of Fine-grain Ferrite/Pearlite Steel

参考文献