管线钢抗氢致开裂腐蚀性能
Hydrogen Induced Cracking Corrosion Resistance of Pipeline Steels
摘 要
采用NACE TM0284-2003中A和B两种溶液对低碳和超低碳管线钢进行了腐蚀试验, 并对试验结果和影响氢致开裂(HIC)敏感性的因素进行了分析。结果表明, 试验钢均具有良好的抗HIC性能, 合理控制成分中的C、Mn、P、S等元素含量是保证抗腐蚀性能的关键; 同时, 钢中的夹杂物、偏析和带状组织均会使材料的HIC敏感性增大, 而以铁素体为主的细晶组织和组织中的大量位错对提高抗HIC性能起到了重要作用。
管线钢
偏析
组织
位错
hydrogen induced cracking (HIC)
pipeline steel
segregation
microstructure
dislocation
Abstract
The corrosion resistance of pipeline steels becomes more and more important with development of oil and gas industry. Test low carbon and ultra-low carbon pipeline steels were corroded by the solutions of NACE TM0284-2003 A and B, the experimental results and the influence factors on HIC sensibility were analyzed. It is shown that all of the test steels have fine corrosion resistance. The contents of C, Mn, P and S etc. are the key to assure corrosion resistance. The inclusion, segregation and banded structure in the steels increase HIC sensibility, while the fine-grain structure composed mainly of ferrite and dislocations advances corrosion resistance obviously.
中图分类号 TG174.2
所属栏目 试验研究
基金项目
收稿日期 2012/1/4
修改稿日期
网络出版日期
作者单位点击查看
备注张帅, 工程师, 硕士,
引用该论文: ZHANG Shuai,REN Yi,WANG Shuang,LIU Wen-yue. Hydrogen Induced Cracking Corrosion Resistance of Pipeline Steels[J]. Corrosion & Protection, 2012, 33(12): 1098
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参考文献
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【2】Graef M K, Hillenbrand H G, Heckmann C J, et al. High-strength large-diameter pipe for long-distance high-pressure gas pipelines[J]. International Journal of Offshore and Polar Engineering, 2004, 14(1):69-74.
【3】潘家华. 全球能源变换及管线钢的发展趋势[J]. 焊管, 2008, 31(1):9-11.
【4】殷光虹, 施青, 孙元宁. 管线用钢氢致裂纹HIC影响因素分析[J]. 钢管, 2004, 33(6):20-26.
【5】谢广宇, 唐荻, 张雁, 等. X70级管线钢硫化物应力腐蚀开裂行为研究[J]. 中国腐蚀与防护学报, 2008, 28(2):86-89.
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