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Study on On-line Heat Treatment Technology of U76CrRE Rail
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Lin Chen1, Da mu ren zha-bu1, Yong-ming Wang2, Yong-chao Chen1, Zhi-li Li2
Rare Earth Steel | 2021, 47(2) : 1 - 5
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Rare Earth Steel | 2021, 47(2): 1-5
• Expert Forum •
Study on On-line Heat Treatment Technology of U76CrRE Rail
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Lin Chen1, Da mu ren zha-bu1, Yong-ming Wang2, Yong-chao Chen1, Zhi-li Li2
Affiliations
  • 1.Rail and Beam Steel Rolling Plant of Inner Mongolia Baotou Steel Union 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: 2021-04-25 doi: 10.13647/j.cnki.btgkj.2021.02.001
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The microstructure and properties of second generation on-line heat-treated U76CrRE rail with rare earth are stable through optimizing the smelting composition of billet and on-line heat treatment technology of rail during the process of its industrial trial production and research and development. The test results showed that its tensile strength could reach 1 280 MPa, elongation was greater than 10%, tread hardness (HBW) could reach 370~420 and there was no abnormal structure.

rail  /  heat treatment  /  microstructure  /  properties
陈琳, 达木仁扎布, 王永明, 陈永超, 李智丽. U76CrRE钢轨在线热处理工艺研究. 包钢科技, 2021 , 47 (2) : 1 -5 . DOI: 10.13647/j.cnki.btgkj.2021.02.001
Lin Chen, Da mu ren zha-bu, Yong-ming Wang, Yong-chao Chen, Zhi-li Li. Study on On-line Heat Treatment Technology of U76CrRE Rail[J]. Science & Technology of Baotou Steel, 2021 , 47 (2) : 1 -5 . DOI: 10.13647/j.cnki.btgkj.2021.02.001
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Year 2021 volume 47 Issue 2
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doi: 10.13647/j.cnki.btgkj.2021.02.001
  • Receive Date：2021-01-25
  • Online Date：2026-10-20
  • Published：2021-04-25
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History
  • Received：2021-01-25
Affiliations
    1.Rail and Beam Steel Rolling Plant of Inner Mongolia Baotou Steel Union 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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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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