| 太钢X80级管线钢热轧卷板技术开发与应用 |
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| 引用本文： | 崔天燮,张彦睿. 太钢X80级管线钢热轧卷板技术开发与应用[J]. 焊管, 2009, 32(12): 32-35,39 |
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| 作者姓名： | 崔天燮 张彦睿 |
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| 作者单位： | 太原钢铁(集团)有限公司技术中心,太原,030003;太原钢铁(集团)有限公司技术中心,太原,030003 |
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| 摘 要： | 介绍了西气东输二线用X80级管线钢的开发及应用情况。太原钢铁有限公司X80级管线钢采用低C高Mn、Nb-Cr-Mo合金体系设计,纯净钢冶炼,优化的TMCP技术轧制,所开发的X80级热轧卷板微观组织均为针状铁素体,具有高屈服强度、低韧脆转变温度及良好的抗动态撕裂能力。
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| 关 键 词： | 西气东输二线 管线钢 X80级 |
The Technology Development and Application of TISCO's X80 Grade Pipeline Steel Hot Rolled Coil |
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| CUI Tian-xie,ZHANG Yan-rui. The Technology Development and Application of TISCO's X80 Grade Pipeline Steel Hot Rolled Coil[J]. Welded Pipe and Tube, 2009, 32(12): 32-35,39 |
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| Authors: | CUI Tian-xie ZHANG Yan-rui |
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| Affiliation: | ( Technology Center of Taiyuan Iron ＆ Steel ( Group ) Co. , Ltd. , Taiyuan 030003, China ) |
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| Abstract: | The development and application of the TISCO s X80 grade pipeline steel used for the Second West to East Gas Pipeline Project were introduced in this paper.Adopting low C,high Mn,Nb-Cr-Mo alloy system design,purity steel melting,optimized TMCP,so the microstructure of developed X80 grade hot rolled coil was acicular ferrite.TISCO s X80 grade pipeline steel owns characteristics such as high yield strength,low ductile-brittle transition temperature and good performance of resistance dynamic break. |
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| Keywords: | the Second West to East Gas Pipeline Project pipeline steel X80 grade |
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