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Research on Controlled Cooling Technology of High-strength Section Steel after Rolling
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Li-juan Tang1, Feng-ming Zhang2, Yi-bin Wei2
Rare Earth Steel | 2021, 47(5) : 62 - 67
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Rare Earth Steel | 2021, 47(5): 62-67
• Quality of Variety and Experiment and Research •
Research on Controlled Cooling Technology of High-strength Section Steel after Rolling
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Li-juan Tang1, Feng-ming Zhang2, Yi-bin Wei2
Affiliations
  • 1.BERIS Engineering and Research Corp. of Shanghai Baoye Group Corp., Ltd., Qingdao 266555, Shandong, China
  • 2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2021-10-25 doi: 10.13647/j.cnki.btgkj.2021.05.016
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It will be one of effective means to improve the performances of hot-rolled section steel to replace the microalloy addition with green, energy-saving, low-cost and resource-friendly controlled cooling technology after rolling. The metallographic structure of product with controlled cooling after hot rolling is ferrite + pearlite, the morphology is fine, performance is uniform, yield strength is increased by about 70~100 MPa and tensile strength is increased by about 80~150 MPa. In the paper, the research ideas, methods, experimental simulation and application examples of controlled cooling after rolling for high-strength section steel are introduced by taking angle steel as an example. The results show that the experimental data and simulated results are consistent with the production practices, which proves that the research method proposed in this paper is accurate and effective so that it can provide the reference for researching controlled cooling of angle steel and other hot-rolled section steels.

section steel  /  controlled cooling  /  strength.
唐丽娟, 张凤明, 魏轶斌. 高强度型钢轧后控制冷却的研究. 包钢科技, 2021 , 47 (5) : 62 -67 . DOI: 10.13647/j.cnki.btgkj.2021.05.016
Li-juan Tang, Feng-ming Zhang, Yi-bin Wei. Research on Controlled Cooling Technology of High-strength Section Steel after Rolling[J]. Science & Technology of Baotou Steel, 2021 , 47 (5) : 62 -67 . DOI: 10.13647/j.cnki.btgkj.2021.05.016
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Year 2021 volume 47 Issue 5
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Article Info
doi: 10.13647/j.cnki.btgkj.2021.05.016
  • Receive Date：2021-08-26
  • Online Date：2026-10-20
  • Published：2021-10-25
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  • Received：2021-08-26
Affiliations
    1.BERIS Engineering and Research Corp. of Shanghai Baoye Group Corp., Ltd., Qingdao 266555, Shandong, China
    2.Technical Center 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
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Genus		 种数
Number of
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Percentage of total
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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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