| CSP产线供冷轧Nb、Ti高强钢屈强比降低实践 |
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| 引用本文： | 王强,赵小龙,罗晓阳,赵占彪,狄彦军.CSP产线供冷轧Nb、Ti高强钢屈强比降低实践[J].轧钢,2019,36(5):80. |
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| 作者姓名： | 王强 赵小龙 罗晓阳 赵占彪 狄彦军 |
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| 作者单位： | 酒钢宏兴股份有限公司碳钢薄板厂，甘肃 嘉峪关 735100 |
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| 摘 要： | 对CSP产线供冷轧Nb、Ti高强钢屈强比降低工艺方案进行了研究，结合CSP产线特点，分析了不同卷取温度和层冷模式对冷轧Nb、Ti高强钢性能、组织及析出物的影响。结果表明，通过对CSP产线卷取温度及层冷模式的控制，可以降低冷轧Nb、Ti高强钢屈强比，且产品性能稳定。
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| 关 键 词： | 冷轧Nb、Ti高强钢 卷取温度 层冷模式 屈强比 组织分析 |
Practice of reducing yield/tensile strength ratio of high strength steel strip content Nb and Ti by CSP line for cold rolling |
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| WANG Qiang,ZHAO Xiao long,LUO Xiao yang,ZHAO Zhan biao,DI Yan jun.Practice of reducing yield/tensile strength ratio of high strength steel strip content Nb and Ti by CSP line for cold rolling[J].Steel Rolling,2019,36(5):80. |
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| Authors: | WANG Qiang ZHAO Xiao long LUO Xiao yang ZHAO Zhan biao DI Yan jun |
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| Affiliation: | Research Institute，Hongxing Iron and Steel Co.，Ltd.，JISCO,Jiayuguan 735100，China |
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| Abstract: | The process schemes of reducing the yield/tensile strength ratio of high strength steel strip content Nb and Ti by CSP line for cold rolling were studied.Combined with the characteristics of CSP production line,the properties,microstructure and precipitates of cold rolled high strength steel content Nb and Ti were analyzed which were produced by different coiling temperature and layer cooling mode.The results show that the yield/tensile strength ratio of cold rolled high strength steel strip content Nb and Ti can be degraded,and the product performance is stable by controlling the coiling temperature and laminar cooling mode in CSP production line. |
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| Keywords: | cold rolled high strength steel content Nb and Ti coiling temperature laminar cooling mode yield/tensile strength ratio microstructure analysis
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