Control of Surface Quality of if Steel Sheet

Guo Rong Wu

doi:10.4028/www.scientific.net/AMR.415-417.1651

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 415-417Control of Surface Quality of if Steel Sheet

Control of Surface Quality of if Steel Sheet

Abstract:

In order to solve the problem of mold powder entrapment which is one of the affecting factors on faint-sliver defect in IF cold-rolled steel sheet in casting process, continuous casting process is optimized. Based on the analysis of the defect, the composition of mold powder is optimized. Otherwise, surface tension and viscosity of mold powder are raised. With theses countermeasures, mold powder entrapment and casting subcutaneous slag is decreased obviously. In addition, the rate of faint-sliver defect in cold-rolled IF steel sheet has been reduced from 5.21% to below 1.0%.

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Periodical:

Advanced Materials Research (Volumes 415-417)

Pages:

1651-1655

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.415-417.1651

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Online since:

December 2011

Authors:

Guo Rong Wu

Keywords:

Faint-Sliver Defect, Mold Powder, Surface Quality

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References

[1] Meng Jinsong, Jiang Maofa, Zhu Yingxiong. Practice for Reducing Surface Inclusions of IF Steel for Cold Rolled Strip[J]. Iron and Steel. 2005, 40(12):28-30.

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