| 微合金化HRB400高强度热轧钢筋的试制 |
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| 引用本文： | 唐海燕,李京社,杨明生,张亚斌,郑全振.微合金化HRB400高强度热轧钢筋的试制[J].特殊钢,2011,32(6):31-33. |
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| 作者姓名： | 唐海燕 李京社 杨明生 张亚斌 郑全振 |
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| 作者单位： | 1. 北京科技大学冶金与生态工程学院,北京,100083
2. 新兴铸管股份有限公司,武安,056300 |
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| 摘 要： | HRB400高强度钢筋(％:0.19～0.25C、0.40～0.60Si、1.20～1.50Mn、≤0.040P、≤0.040S)由120 t转炉—钢包吹氩-120 mm×120 mm连铸工艺冶炼.为提高HRB400Φ12 ～22 mm热轧带肋钢筋的综合力学性能,冶炼时进行加5 kg/t钢MnSiN+0.4～0.9 k...
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| 关 键 词： | HRB400高强度钢筋 V Nb 微合金化 控制轧制 力学性能 |
Research and Production of Hot-Rolled Microalloying HRB400 High Strength Reinforcing Steel |
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| Tang Haiyan,Li Jingshe,Yang Minsheng,Zhang Yabin,Zheng Quanzhen.Research and Production of Hot-Rolled Microalloying HRB400 High Strength Reinforcing Steel[J].Special Steel,2011,32(6):31-33. |
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| Authors: | Tang Haiyan Li Jingshe Yang Minsheng Zhang Yabin Zheng Quanzhen |
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| Affiliation: | Tang Haiyan~1,Li Jingshe~1,Yang Minsheng~2,Zhang Yabin~2 and Zheng Quanzhen~2 (1 School of Metallurgical and Ecological Engineering,University of Science and Technology,Beijing 100083,2 Xinxing Ductile Iron Pipe Co Ltd,Wu'an 056300) |
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| Abstract: | HRB400 high strength reinforcing steel(%:0.19～0.25C,0.40～0.60Si,1.20～1.50Mn,≤0.040P,≤0.040S) is melted bv 120 t BOF-ladle argon blowing-120 mm×120 mm billet casting process.In order to improve the comprehensive mechanical properties ofΦ12～22 mm ribbed bar of hot-rolled HRB400 steel the three kinds of microalloying process tests i.e.adding 5 kg/t MnSiN + 0.4～0.9 kg/t FeV,10 kg/t MnSiN + 0.25～0.40 kg/t FeNb and only-adding 0.40～0.75 kg/t VN have been carried out during steelmaking.The pitting temperature of billet is 1 150～1250℃,the finishing rolling temperature for reinforcing steel bar is≥950℃,reduction of each pass in rough rolling≥30% and reduction of each pass in finishing rolling≥15%,fanning cooling after rolling.Results show that the available adding amount of FeV or VN is 0.5 kg/t and that of FeNb is 0.3 kg/t;with microalloying by V or Nb,the grain in steel is finer obviously and each property of reinforcing steel meets the requirement of standard. |
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| Keywords: | HRB400 High Strength Reinforcing Steel V Nb Microalloying Control Rolling Mechanical Properties |
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