| TP321不锈钢无缝钢管晶间腐蚀问题研究 |
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| 引用本文： | 康喜唐 王伯文 聂 飞 梁祥祥 常旭飞 方旭东 张晓文. TP321不锈钢无缝钢管晶间腐蚀问题研究[J]. 钢管, 2014, 0(1): 18-24 |
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| 作者姓名： | 康喜唐 王伯文 聂 飞 梁祥祥 常旭飞 方旭东 张晓文 |
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| 作者单位： | [1]山西太钢不锈钢钢管有限公司,山西太原030008 [2]山西太钢不锈钢股份有限公司,山西太原030003 |
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| 摘 要： | 对影响TP321不锈钢无缝钢管耐晶间腐蚀性能的因素进行分析,从化学成分、金相组织、工艺流程、热处理制度等方面研究可能导致耐蚀性降低的原因,并采取措施消除不利影响。通过控制化学成分、调整热处理制度以及优化脱脂工艺等一系列改进措施,使TP321不锈钢无缝钢管晶间腐蚀试验一次合格率稳定在95%以上水平。
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| 关 键 词： | 无缝钢管 TP不锈钢 晶间腐蚀 化学成分 热处理 脱脂 |
Research on Intergranular Corrosion of TP321 Seamless Stainless Steel Pipe |
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| KANG Xitangj,WANG BowenI,NIE Fei,LIANG Xiangxiang,CHANG XufeP,FANG Xudong,ZHANG Xiaowen. Research on Intergranular Corrosion of TP321 Seamless Stainless Steel Pipe[J]. Steel Pipe, 2014, 0(1): 18-24 |
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| Authors: | KANG Xitangj WANG BowenI NIE Fei LIANG Xiangxiang CHANG XufeP FANG Xudong ZHANG Xiaowen |
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| Affiliation: | 2 ( 1. Shanxi Taigang Stainless Steel Tubes ＆ Pipes Co., Ltd., Taiyuan 030008, China; 2. Shanxi Taigang Stainless Steel Co., Ltd., Taiyuan 030003, China ) |
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| Abstract: | Analyzed here in the article are the factors affecting intergranular corrosion resistance of the TP321 seamless stainless steel pipe, involving such aspects as chemical composition, metallographic structure, process flow, heat treatment schedule, etc. Accordingly, relevant actions are taken to eliminate the negative effects. Thanks to implementation of improvement actions like chemical composition control, adjusting heat treatment schedule, and optimizing the degreasing process, etc., the primary qualification rate of intergranular corrosion test to the TP321 seamless steel pipes has been kept at the level above 95%. |
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| Keywords: | seamless steel pipe TP321 stainless steel intergranular corrosion chemical composition heattreatment degreasing |
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