| 经济型X70管线钢热轧厚卷板的研制 |
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| 引用本文： | 黄国建,张英慧,黄明浩,马小军,关菊.经济型X70管线钢热轧厚卷板的研制[J].钢铁研究学报,2010,22(5):51-51. |
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| 作者姓名： | 黄国建 张英慧 黄明浩 马小军 关菊 |
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| 作者单位： | 1. 鞍钢股份有限公司技术中心,辽宁,鞍山,114009
2. 鞍钢股份有限公司第三炼钢连轧厂,辽宁,鞍山,114009 |
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| 摘 要： | 为降低管线钢生产成本,替代传统C-Mn-Mo-Nb合金系,采用无钼C-Mn-Cr-Nb系针状铁素体组织,同时结合纯净钢冶炼连铸工艺、热装轧制工艺和热机械轧制工艺等技术,鞍钢在2150ASP中薄板坯连铸坯连铸连轧生产线上研制开发出厚14.6 mm和15.9 mm的经济型X70管线钢热轧卷板。产品组织均匀,铁素体晶粒细小,具有高强度、良好的低温韧性和焊接性能,用其制成的螺旋埋弧焊管应用于西气东输二线和中亚输气等国家重点管道工程。
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| 关 键 词： | 管线钢 针状铁素体组织 X70 热轧卷板 |
| 收稿时间： | 2009-02-19; |
Development of Economic-Type X70 Linepipe Steel Hot Strip |
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| HUANG Guo-jian,ZHANG Ying-hui,HUANG Ming-hao,MA Xiao-jun,GUAN Ju.Development of Economic-Type X70 Linepipe Steel Hot Strip[J].Journal of Iron and Steel Research,2010,22(5):51-51. |
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| Authors: | HUANG Guo-jian ZHANG Ying-hui HUANG Ming-hao MA Xiao-jun GUAN Ju |
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| Affiliation: | 1.Technology Center;Angang Steel Company Limited;Anshan 114009;Liaoning;China;2.No.3 Steelmaking and Continues Rolling Plant;China |
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| Abstract: | In order to reduce the production cost,economic-type X70 pipeline steels with the thickness of 14.6 and 15.9mm were developed in 2150ASP medium-thin slab continuous casting and rolling production line in Angang Steel Company Limited.The latest alloy-system of pipeline steel designed by non-molybdenum C-Mn-Cr-Nb alloy-system,which replaces the high-molybdenum C-Mn-Mo-Nb alloy system,was adopted along with acicular ferrite microstructure.The microstructure of X70 strip is homogeneous and ferrite grains are fi... |
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| Keywords: | pipeline steel acicular ferrite microstructure X70 hot strip |
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