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| Effect of Coiling Temperature on Aging Resistance of Hot-Dip Galvanized Low Carbon Aluminum Killed Steel Sheet |
| HU Yan-hui1,KONG Fan-qing2,TENG Hua-xiang1,LI Jie1,WEI Dong1,SHANG Ting1 |
1. Strip Technology Department of Shougang Research Institute of Technology, Beijing 100043, China
2. Beijing Shougang Cold Rolling Co., Ltd., Beijing 101304, China |
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Abstract To improve aging resistance of hot-dip galvanized low carbon aluminum killed steel sheet, the effect of coiling temperature on aging resistance was investigated by measuring aging index and internal friction of galvanized sheets. The results show that in the range of 620-710℃ higher coiling temperature leads to less solid solution carbon and better aging resistance of galvanized sheet. Aging index decreases 19 percent by increasing coiling temperature from 620 to 710℃. Properly increasing coiling temperature is one of the effective ways to improve aging resistance of hot-dip galvanized low carbon aluminum killed steel sheet.
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Received: 17 January 2013
Published: 25 November 2013
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2013, Vol. 48 
