| X80管线钢生产过程纯净度控制 |
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| 引用本文： | 吾塔,李立民,张建新,陈勇.X80管线钢生产过程纯净度控制[J].新疆钢铁,2012(1):11-14. |
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| 作者姓名： | 吾塔 李立民 张建新 陈勇 |
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| 作者单位： | 1. 宝钢集团八钢公司制造管理部
2. 新疆八一钢铁股份有限公司 |
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| 摘 要： | 介绍了采用铁水脱硫预处理、复吹转炉、LF精炼、RH精炼、板坯连铸工艺开发X80管线钢的过程。采用该工艺生产的X80管线钢钢水成品C]≤0.05%,P]≤0.012%,S]≤0.0022%,N]≤0.005%,TO]≤30×10-6,H]≤2.5×10-6,钢中的A、B类夹杂物控制在1.5级以下,C、D类夹杂物能控制在0.5级以下,管线钢洁净度完全满足用户要求。
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| 关 键 词： | X80管线钢 纯净度 气体 夹杂物 |
Production Process Control of Cleanliness in X80 Pipeline Steel |
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| WU Ta
,
LI Li-min
,
ZHANG Jian-xing
,
CHEN Yong.Production Process Control of Cleanliness in X80 Pipeline Steel[J].Xinjiang Iron and Steel,2012(1):11-14. |
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| Authors: | WU Ta LI Li-min ZHANG Jian-xing CHEN Yong |
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| Affiliation: | 1(1.Manufacturing Management Department,Bayi Iron&Steel Co.Baosteel Group;2.Xinjiang Bayi Iron & Steel Stock Co.Ltd) |
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| Abstract: | This paper introduced the development course of X80 pipeline steel steelworks with hot metal pretreatment and combined blowing converter and LF refining and RH refining and the slab continuous casting.C] are below 0.050%,P] are below 0.0120%,S] are below 0.0020%,N] are below 0.0050%,TO] are below 30 ×10-6,H] are below 2.5×10-6,respectively in X80 pipeline steel produced by this craft,besides,A type and B type kinds of inclusions are controlled below 1.5 grade.C type and D type kinds of inclusions are controlled below 0.5 grade.Pipeline steel cleanliness absolutely satisfy consumer request,each mechanical properties absolutely satisfy domestic and overseas standard. |
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| Keywords: | X80 pipeline steel cleanliness gas inclusion |
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