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Control of Carbon Segregation in Continuous Casting Billet with Large Section
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Zhi-qiang Xue1, Bo-chao Xu2, Jia-xu Liu2, Long Shi2, Zhi-dong Zhao2
Rare Earth Steel | 2021, 47(3) : 9 - 12
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Rare Earth Steel | 2021, 47(3): 9-12
• Production Practice and Management •
Control of Carbon Segregation in Continuous Casting Billet with Large Section
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Zhi-qiang Xue1, Bo-chao Xu2, Jia-xu Liu2, Long Shi2, Zhi-dong Zhao2
Affiliations
  • 1.Chengdu Sales Branch Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2021-06-25 doi: 10.13647/j.cnki.btgkj.2021.03.003
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The characteristics of continuous casting process for round billet and distribution of carbon element in round billet are analyzed as well as the causes of carbon segregation are analyzed and discussed. The optimum measures are put forward from such two aspects as degree of superheat of molten steel and cooling regime of continuous casting combining with the technological characteristics and equipment condition of continuous casting for round billet. Moreover, the industrial test results showed that the carbon segregation in round billet with large section could be effectively improved when the current of mold electromagnetic stirring was controlled at around 300 A, degree of superheat of molten steel was controlled at around 25 ℃ and specific water flow was controlled at 0.20~0.22 L/kg.

large section  /  carbon segregation  /  cooling regime  /  degree of superheat of molten steel
薛志强, 许博超, 刘佳旭, 石龙, 赵志东. 大断面连铸坯碳元素偏析控制. 包钢科技, 2021 , 47 (3) : 9 -12 . DOI: 10.13647/j.cnki.btgkj.2021.03.003
Zhi-qiang Xue, Bo-chao Xu, Jia-xu Liu, Long Shi, Zhi-dong Zhao. Control of Carbon Segregation in Continuous Casting Billet with Large Section[J]. Science & Technology of Baotou Steel, 2021 , 47 (3) : 9 -12 . DOI: 10.13647/j.cnki.btgkj.2021.03.003
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Year 2021 volume 47 Issue 3
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Article Info
doi: 10.13647/j.cnki.btgkj.2021.03.003
  • Receive Date：2021-05-06
  • Online Date：2026-10-20
  • Published：2021-06-25
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  • Received：2021-05-06
Affiliations
    1.Chengdu Sales Branch Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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