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Effect of Na2CO3 Addition on Inclusions in High-Carbon Steel for Saw Wire

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Abstract

Inclusions cannot be sufficiently stretched to adapt extremely strict requirement of saw wire with only conventional inclusion softening art. In order to explore a potential new method to further enhance the deformability of inclusions, Na2CO3 addition should be comprehensively investigated due to the extremely low melting temperature of inclusions containing Na2O. In the present study, an effective method of Na2CO3 addition was put forward and a presumable reaction mechanism between Na2CO3/steel/inclusion/slag was deduced by studying the effect of Fe/Na2CO3 (weight ratio), Na2CO3 addition amount and reaction time on inclusions using a graphite tube resistance furnace. The relations between Na2O content, melting temperature, deformability and crystallization of inclusions were also briefly discussed. Through these studies, the deformability of inclusions was significantly improved on the whole.

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Authors and Affiliations

  1. State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing, 100083, China

    Liangjun Chen, Weiqing Chen, Yang Hu & Wei Yan

  2. Research Institute, Baoshan Iron & Steel Co., Ltd., Shanghai, 201900, China

    Zhaoping Chen & Yingtie Xu

Authors
  1. Liangjun Chen
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  2. Weiqing Chen
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  3. Yang Hu
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  4. Zhaoping Chen
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  5. Yingtie Xu
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  6. Wei Yan
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Correspondence to Liangjun Chen.

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Chen, L., Chen, W., Hu, Y. et al. Effect of Na2CO3 Addition on Inclusions in High-Carbon Steel for Saw Wire. Trans Indian Inst Met 71, 383–391 (2018). https://doi.org/10.1007/s12666-017-1168-9

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  • DOI: https://doi.org/10.1007/s12666-017-1168-9

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