| 12Cr2AlMoV海水冷却器使用寿命分析 |
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| 引用本文： | 束润涛,陈学安.12Cr2AlMoV海水冷却器使用寿命分析[J].石油化工腐蚀与防护,2004,21(2):43-45. |
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| 作者姓名： | 束润涛 陈学安 |
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| 作者单位： | 1. 武汉市润之达石化设备有限公司,湖北,武汉,430064
2. 中国石油天然气股份有限公司大连分公司,辽宁,大连,116031 |
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| 摘 要： | 湖北长江石化设备有限公司加工制造的一台12Cr2AlMoV低合金钢海水冷却器在中国石油大连分公司使用两年半后进行观测分析,证明其化学成分无变化,仅在管内壁有少量脱碳层,致使机械性能略有下降.根据金相分析结果,其晶间未见裂纹扩展,无晶间腐蚀迹象,剩余使用寿命可在2年以上.
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| 关 键 词： | 冷却器 12Cr2AlMoV 脱碳层 Cl- 剩余寿命 预测 |
| 文章编号： | 1007-015X(2004)02-0043-03 |
| 修稿时间： | 2003年6月26日 |
Analysis of Service Life of 12Cr2AlMoV Sea Water Cooler |
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| Shu Runtao,Wuhan Runzhida Petrochemical Equipment Company.Analysis of Service Life of 12Cr2AlMoV Sea Water Cooler[J].Petrochemical Corrosion and Protection,2004,21(2):43-45. |
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| Authors: | Shu Runtao Wuhan Runzhida Petrochemical Equipment Company |
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| Abstract: | A 12Cr2AlMoV low-alloy sea water manufactured by Hubei Yangzi River Petrochemical Equipment Co., Ltd. has been operating in Dalian Petrochemical Company/Petrochina Co.,Ltd for two and a half years. The inspection and testing show that there are no substantial changes in the chemical composition of the cooler tubes. The mechanical performance of the tubes is slightly affected due to the some minus carbon spalling on the internal wall. The metallographic analysis finds no propagation of cracking in grain and grain corrosion. The residue life is over two years. |
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| Keywords: | cooler 12Cr2AlMoV carbon spalling Cl- residue life prediction |
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