超级13Cr不锈钢在高CO2/H2S分压比环境中的腐蚀行为
Corrosion Behavior of Super 13Cr Stainless Steel in High CO2/H2S Partial Pressure Ratio Environment
摘 要
采用高温高压反应釜进行浸泡腐蚀试验,分析了超级13Cr不锈钢在低H2S分压、高CO2分压环境中的腐蚀行为;采用单轴拉伸及三点弯曲试验,分析了该钢的应力腐蚀开裂(SCC)敏感性。结果表明:在低H2S分压、高CO2分压环境中,温度对该钢腐蚀速率及腐蚀形貌的影响最显著;随着温度的上升,钢表面钝化膜逐渐转变为腐蚀产物膜,腐蚀速率呈先上升后缓慢下降的趋势;在高温下,CO2分压对该钢腐蚀速率的影响较为明显,呈先上升后下降的趋势;在高CO2/H2S分压比条件下,H2S分压对该钢腐蚀速率的影响不显著,该钢在24 ℃下的SSCC敏感性高,在60 ℃和220 ℃下SCC敏感性低。
CO2
H2S
腐蚀行为
应力腐蚀开裂(SCC)
super 13Cr stainless steel
CO2
H2S
corrosion behavior
stress corrosion cracking (SCC)
Abstract
The corrosion behavior of super 13Cr stainless steel in low H2S partial pressure and high CO2 partial pressure environment was analyzed by immersion corrosion test in high temperature and high pressure reactor. The sensitivity of the steel to stress corrosion cracking (SCC) was analyzed by uniaxial tensile test and three-point bending test. The results showed that the temperature had the most significant effect on the corrosion rate and corrosion morphology of the steel in the environment of low H2S partial pressure and high CO2 partial pressure. With the increase of temperature, the passivation film on the steel surface gradually changed into a corrosion product film, and the corrosion rate increased first and then decreased slowly. At high temperature, the effect of CO2 partial pressure on the corrosion rate of the steel was obvious, showing a trend of increasing first and then decreasing. Under the condition of high CO2/H2S partial pressure ratio, the effect of H2S partial pressure on the corrosion rate of the steel was not significant. The steel had high SSCC sensitivity at 24 ℃ and low SCC sensitivity at 60 ℃ and 220 ℃.
中图分类号 TG174 DOI 10.11973/fsyfh-202309007
所属栏目 油气工业腐蚀与防护
基金项目
收稿日期 2023/5/16
修改稿日期
网络出版日期
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引用该论文: ZHANG Junying,ZHU Xinyu,LI Ximing,CHEN Xi,CHEN Changfeng. Corrosion Behavior of Super 13Cr Stainless Steel in High CO2/H2S Partial Pressure Ratio Environment[J]. Corrosion & Protection, 2023, 44(9): 44
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参考文献
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【2】吕祥鸿,张晔,谢俊锋,等. 高pH值完井液中超级13Cr油管的腐蚀失效及SCC机制[J]. 中国石油大学学报(自然科学版),2020,44(1):141-148.
【3】SAKAMOTO S,KANEDA H,MARUYAMA K. Corrosion property of API and modified 13Cr steels in oil and gas field environment[C]//NACE CORROSION. [S.l.]:NACE,1996.
【4】ZHENG H Y,LI S H,HASKEW T A,et al. Impact of uneven shading and bypass diodes on energy extraction characteristics of solar photovoltaic modules and arrays[J]. International Journal of Sustainable Energy,2013,32(5):351-365.
【5】ENERHAUG J,KOPLIKU S L,KVAALE P E. Qualification of welded super 13% Cr martensitic stainless steels for sour service applications[C]//NACE CORROSION. [S.l.]:NACE,1997.
【6】ENERHAUG J,KVAALE P E,ROGNE T,et al. Qualification of Welded Super 13% Cr Martenistic Stainless Steels for the Asgard Field[C]//NACE CORROSION. [S.l.]:NACE,1999.
【7】MU L J,ZHAO W Z. Investigation on carbon dioxide corrosion behaviour of HP13Cr110 stainless steel in simulated stratum water[J]. Corrosion Science,2010,52(1):82-89.
【8】FELTON P, SCHOFIELD M J. Understanding the High Temperature Corrosion Behavior of Modified 13% Cr Martenistic OCTG[C]//NACE CORROSION.[S.l.]: NACE,1998.
【9】VITALE D D. Effect of hydrogen sulfide partial pressure, pH, and chloride content on the SSC resistance of martensitic stainless steels and martensitic precipitation hardening stainless steels[R]. NACE International,Houston,TX (United States),1999.
【10】LIU W Y,SHI T H,LU Q,et al. Failure analysis on fracture of S13Cr-110 tubing[J]. Engineering Failure Analysis,2018,90:215-230.
【11】TURNBULL A,MAY A T. The effect of temperature and H2S content on the cracking resistance of a 13% chromium martensitic stainless steel in acidified NaCl[J]. Corrosion Science,1990,30(6/7):657-665.
【12】SUNABA T,ITO T,MIYATA Y,et al. Influence of chloride ions on corrosion of modified martensitic stainless steels at high temperatures under a CO2 Environment[J]. CORROSION,2014,70(10):988-999.
【13】ZHAO J J,LIU X B,HU S,et al. Effect of Cl- concentration on the SCC behavior of 13Cr stainless steel in high-pressure CO2 environment[J]. Acta Metallurgica Sinica (English Letters),2019,32(12):1459-1469.
【14】YAO X F,XIE F Q,WU X Q,et al. Effects of pH value on the stress corrosion cracking of super 13Cr tubing steel[J]. Advanced Materials Research,2012,557/558/559:127-130.
【15】张春霞,齐亚猛,张忠铧. 超级13Cr在H2S和CO2共存环境下的腐蚀行为影响研究[J]. 宝钢技术,2020(1):7-12.
【16】MARCHEBOIS H,LEYER J,ORLANS-JOLIET B. SSC performance of a Super 13% Cr martensitic stainless steel for OCTG:three-dimensional fitness-for-purpose mapping according to PH2S,pH and chloride content[C]//CORROSION 2007. Nashville,Tennessee:NACE, 2007.
【17】MARCHEBOIS H,ALAMI H E L,LEYER J,et al. Sour service limits of 13% Cr and super 13% Cr stainless steels for OCTG:effect of environmental factors[C]//NACE CORROSION. Atlanta:NACE,2009.
【18】BARTERI M,DE CRISTOFARO N,SCOPPIO L,et al. Corrosion resistance of martensitic stainless steels in moderately sour oilfield environments[R]. NACE International,Houston,TX (United States),1995.
【19】SOLHEIM K G,SOLBERG J K,WALMSLEY J,et al. The role of retained austenite in hydrogen embrittlement of supermartensitic stainless steel[J]. Engineering Failure Analysis,2013,34:140-149.
【20】MARCUS P,PROTOPOPOFF E. Potential-pH diagrams for sulfur and oxygen adsorbed on chromium in water[J]. Journal of the Electrochemical Society,1997,144(5):1586-1590.
【21】TAKABE H,UEDA M,MARTIN J W,et al. Application limits for 110Ksi strength grade super 13Cr steel in CO2 environments containing small amounts of H2S[C]//NACE CORROSION. [S.l.]:NACE,2009.
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