Non-Metallic Inclusions Control for High Strength Anti-HIC X65 Tube Steel

Jian Wang; Yong Chen; Sheng Quan Huang; Jian Hua Zeng; Liang Gang Yi; Yong Jun Zhang; Lian Chen; Hai Bin Yu

doi:10.4028/www.scientific.net/AMR.581-582.1062

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 581-582Non-Metallic Inclusions Control for High Strength...

Non-Metallic Inclusions Control for High Strength Anti-HIC X65 Tube Steel

Abstract:

The hot metal fed converter in Panzhihua Steel Company is characterized by high sulfur content of 0.085% and high phosphorus content of 0.133%. Under this condition, some technologies like control of sulfur and T[O] content, ladle slag optimization, calcium treatment and protective casting were used in practice, and the desired result of T[O] as low as 0.0014% and sulfur content of 0.0023%was achieved, which met the cleanness requirements by anti-HIC X65 tube steel. With the help of inclusion control technology, grade of inclusions in as-cast steel was less than 0.5. In addition, total amount of inclusions was only 0.0044% which dispersed in slab in form of small spherical particle.

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Periodical:

Advanced Materials Research (Volumes 581-582)

Pages:

1062-1067

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.581-582.1062

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Online since:

October 2012

Authors:

Jian Wang, Yong Chen, Sheng Quan Huang, Jian Hua Zeng, Liang Gang Yi, Yong Jun Zhang, Lian Chen, Hai Bin Yu

Keywords:

Converter Steelmaking, Inclusion Control, X65 Tube Steel

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