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Effects of Al2O3 Inclusions on DWTT Properties of Thick X80M Hot Rolled Strip
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Ren-jie Li1, Cheng-long Liu2, Xiao-dong Wei2, Zhao Li2
Rare Earth Steel | 2020, 46(1) : 33 - 38
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Rare Earth Steel | 2020, 46(1): 33-38
• Quality of Variety and Experiment and Research •
Effects of Al2O3 Inclusions on DWTT Properties of Thick X80M Hot Rolled Strip
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Ren-jie Li1, Cheng-long Liu2, Xiao-dong Wei2, Zhao Li2
Affiliations
  • 1.Office of Baotou Iron & Steel (Group) Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2020-02-25 doi: 10.13647/j.cnki.btgkj.2020.01.009
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In this paper, it is introduced the T [O]<0.001 5% is realized by such measures as optimizing the argon flow in calcium treatment process to improve the effects that deoxidation products float up into steel slag and improving the structure of tundish to improve flow field so that the flotation of inclusions is accelerated. As a result, the amount of Al2O3 inclusions in molten steel is effectively reduced, the DWTT properties of coiled sheet could meet the standard requirements as well as the aim of stable development and production of 22 mm thick hot-rolled strip with X80M pipeline steel was realized.

DWTT  /  X80M pipeline steel  /  Al2O3 inclusions
李人杰, 刘成龙, 魏晓东, 李钊. Al2O3夹杂对厚规格X80M热轧钢带DWTT性能影响. 包钢科技, 2020 , 46 (1) : 33 -38 . DOI: 10.13647/j.cnki.btgkj.2020.01.009
Ren-jie Li, Cheng-long Liu, Xiao-dong Wei, Zhao Li. Effects of Al2O3 Inclusions on DWTT Properties of Thick X80M Hot Rolled Strip[J]. Science & Technology of Baotou Steel, 2020 , 46 (1) : 33 -38 . DOI: 10.13647/j.cnki.btgkj.2020.01.009
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Year 2020 volume 46 Issue 1
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Article Info
doi: 10.13647/j.cnki.btgkj.2020.01.009
  • Receive Date：2019-08-01
  • Online Date：2026-10-20
  • Published：2020-02-25
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  • Received：2019-08-01
Affiliations
    1.Office of Baotou Iron & Steel (Group) Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
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Citations
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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