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Development of 2 300 MPa Grade High Strength Steel Strand Wire Rod for Railway Bridge
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Xiao-min Zhao1, Yong-hua Su2, Long Shi2, Ya Tao1, Gang Lv1, Bo Hu3
Rare Earth Steel | 2021, 47(2) : 62 - 65
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Rare Earth Steel | 2021, 47(2): 62-65
• Quality of Variety and Experiment and Research •
Development of 2 300 MPa Grade High Strength Steel Strand Wire Rod for Railway Bridge
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Xiao-min Zhao1, Yong-hua Su2, Long Shi2, Ya Tao1, Gang Lv1, Bo Hu3
Affiliations
  • 1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.China Academy of Railway Sciences Corp., Ltd., Beijing 100081, China
  • 3.Long Products Plant 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.2021.02.016
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The BG87 high strength steel strand wire rod for railway bridge is independently designed by Baotou Steel as well as its mechanical properties, microstructure and drawing property are studied through such means as controlled cooling process of rolling, determination of static CCT curve, tensile test and metallographic examination. The results showed that the strength and structure property of developed high carbon steel wire rod were good so that it could meet request for utilization of 2 300 MPa grade pre-stressed steel strand. Moreover, the product is applied on experimental bridge of Nachang-Jingdezhen-Huangshan high-speed railway so that a breakthrough of domestic 2 300 MPa high strength steel strand products is achieved.

high strength steel strand  /  railway bridge  /  wire rod
赵晓敏, 苏永华, 石龙, 涛雅, 吕刚, 胡波. 2 300 MPa级铁路桥梁用高强钢绞线盘条的开发. 包钢科技, 2021 , 47 (2) : 62 -65 . DOI: 10.13647/j.cnki.btgkj.2021.02.016
Xiao-min Zhao, Yong-hua Su, Long Shi, Ya Tao, Gang Lv, Bo Hu. Development of 2 300 MPa Grade High Strength Steel Strand Wire Rod for Railway Bridge[J]. Science & Technology of Baotou Steel, 2021 , 47 (2) : 62 -65 . DOI: 10.13647/j.cnki.btgkj.2021.02.016
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Year 2021 volume 47 Issue 2
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Article Info
doi: 10.13647/j.cnki.btgkj.2021.02.016
  • Receive Date：2021-01-13
  • Online Date：2026-10-20
  • Published：2021-04-25
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History
  • Received：2021-01-13
Affiliations
    1.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.China Academy of Railway Sciences Corp., Ltd., Beijing 100081, China
    3.Long Products Plant 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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