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| Effect of casting speed on dendrite arm spacing of Mn13 steel continuous casting slab |
| Jian‑min Li1,2,3, Mao‑fa Jiang1,3, Jun‑xiang Ning1,3, Jun Zhai2 |
1 Key Laboratory for Ecological Metallurgy of Multimetallic Ores (Ministry of Education), Northeastern University, Shenyang 110819, Liaoning, China
2 Shanxi Taigang Stainless Steel Co., Ltd., Taiyuan 030003, Shanxi, China
3 School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China |
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Abstract The dendrite arm spacing in the continuous casting slab of Mn13 steel under different casting speeds was measured using the metallographic microscope. Meanwhile, a heat transfer model was established by the Pro-cast software. The relationship between the dendrite arm spacing and casting speed in continuous casting slab of Mn13 steel was studied and described by a function expression. The results provide an important theoretical basis for the development and optimization of continuous casting production process of high-manganese steel and help to improve the quality of continuous casting slab of high-manganese steel. Under the experimental conditions, the suitable casting speed is about 0.9 m/min. The secondary dendrite spacing maintains a relatively stable low-amplitude increase trend, and it is beneficial to obtain a higher proportion of equiaxed crystals.
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Received: 29 April 2019
Published: 25 June 2020
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Jian‑min Li,Mao‑fa Jiang,Jun‑xiang Ning, et al. Effect of casting speed on dendrite arm spacing of Mn13 steel continuous casting slab[J]. Journal of Iron and Steel Research International, 2020, 27(6): 665-672.
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2020, Vol. 27 
