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Analysis and Modification of Slag Sticking Behavior in AGMJ45 Steel
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Xingze TENG1, 2, Chunfeng LYU1, 2, Jixiang JIA1, 2, Dongsheng LIN3, Haiwei WANG1, 2, Zhe JIN1, 2
Angang Technology | 2026, (1) : 39 - 44
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Angang Technology | 2026, (1): 39-44
• Research and Development •
Analysis and Modification of Slag Sticking Behavior in AGMJ45 Steel
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Xingze TENG1, 2, Chunfeng LYU1, 2, Jixiang JIA1, 2, Dongsheng LIN3, Haiwei WANG1, 2, Zhe JIN1, 2
Affiliations
  • 1.State Key Laboratory of Metallic Materials for Marine Equipment and Applications, Anshan 114009, Liaoning, China
  • 2.Ansteel Iron & Steel Research Institutes, Anshan 114009, Liaoning, China
  • 3.Anshan Iron Steel Group Co., Ltd., Anshan 114021, Liaoning, China
doi: 10.3969/j.issn.1006-4613.2026.01.005
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Slag sticking in ladles during smelting AGMJ45 steel is a key technical problem, which restricts the production of the steel. Experimental and theoretical methods were combined to determine the melting point and compositions of refining slag. Thermodynamic simulation software was used to analyze the liquid phase range of the refining slag and the relationship between its melting point and fluidity. The results showed that when the MgO content of the refining slag was from 4% to 7% and the basicity was from 4.0 to 6.0, the activity of Al2O3 was minimized while the activity of CaO was maximized, which enhanced the fluidity of the refining slag, formed the compounds with low melting point, and effectively improved slag sticking in ladles. Furthermore, modifications were made to the refining slag, and an optimized scheme for industrial production was proposed. After modification, the average melting point of the refining slag decreased by 123 ℃, and the amorphous rate exceeded 90%. Upon application, the average ladle weight at mid-campaign decreased by approximately 9.2%, and the average slag thickness decreased by approximately 23.4%. These improvements significantly alleviated slag sticking phenomenon, enhanced the continuity of ladle usage, and thereby increased production efficiency.

refining slag  /  slag sticking in ladle  /  melting point  /  phase analysis  /  modification
滕行泽, 吕春风, 贾吉祥, 林东盛, 王海伟, 金喆. AGMJ45钢粘渣行为分析及改性. 鞍钢技术, 2026 , (1) : 39 -44 . DOI: 10.3969/j.issn.1006-4613.2026.01.005
Xingze TENG, Chunfeng LYU, Jixiang JIA, Dongsheng LIN, Haiwei WANG, Zhe JIN. Analysis and Modification of Slag Sticking Behavior in AGMJ45 Steel[J]. Angang Technology, 2026 , (1) : 39 -44 . DOI: 10.3969/j.issn.1006-4613.2026.01.005
Appendix
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Year 2026 volume Issue 1
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Article Info
doi: 10.3969/j.issn.1006-4613.2026.01.005
  • Online Date：2026-09-20
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History
  • Revised：2025-04-24
Affiliations
    1.State Key Laboratory of Metallic Materials for Marine Equipment and Applications, Anshan 114009, Liaoning, China
    2.Ansteel Iron & Steel Research Institutes, Anshan 114009, Liaoning, China
    3.Anshan Iron Steel Group Co., Ltd., Anshan 114021, Liaoning, China
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https://castjournals.cast.org.cn/joweb/agjs/EN/10.3969/j.issn.1006-4613.2026.01.005
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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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