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research on the corrosion behavior of x70 pipeline steel

Corrosion Behavior of X70 and X80 Pipeline Steels in research on the corrosion behavior of x70 pipeline steel

Li also conducted an experimental study on the corrosion behavior of X70 pipeline steel exposed to AC under the marine conditions and suggested that the corrosion rate of X70 pipeline increased with AC density increase. Corrosion behavior of X80 steel under AC How long does SRB last on X80 steel?How long does SRB last on X80 steel?Although the life cycle of SRB is only about 14days, the corrosion of X80 steel is greatly promoted by SRB, and even causes corrosion perforation, which will bring huge economic losses and serious safety hazards.Study on corrosion behavior of X80 steel under stripping research on the corrosion behavior of x70 pipeline steel What causes corrosion of steel in a pipeline?What causes corrosion of steel in a pipeline?The corrosion of pipeline steel due to the interference of stray current becomes more significant as time passes [1-5]. Leakage in the pipeline causes substantial economic losses and is a potential safety hazard. Stray current interference can be AC, DC, or ground stray current depending on the source.Study on corrosion and delamination behavior of X70 steel under the c

What is the chemical composition of X80 pipeline steel?What is the chemical composition of X80 pipeline steel?The chemical composition (mass fraction) of X80 pipeline steel is shown in Table 1 . The soil near the X80 pipeline being used in southwestern China was put into a drying box to air dry to remove debris, and then it was dried for 10h to remove moisture in an oven at 120°C.Study on corrosion behavior of X80 steel under stripping research on the corrosion behavior of x70 pipeline steelA Study on Stress Corrosion Cracking of X70 Pipeline Steel research on the corrosion behavior of x70 pipeline steel

Abstract. The water chemistry characteristics of supercritical CO 2 streams and the corrosion behavior of X70 steel in a supercritical CO 2 system containing O 2 and/or SO 2 impurities were investigated by thermodynamic simulation and corrosion testing. The results show that O 2 concentration in supercritical CO 2 streams contributes to the negligible influence on the water chemistry Alternating current corrosion of cathodically protected research on the corrosion behavior of x70 pipeline steelSep 14, 2012Xinhua Wang, Zuquan Wang, Yingchun Chen, Xuting g, Cheng Xu, Research on the Corrosion Behavior of X70 Pipeline Steel Under Coupling Effect of AC + DC and Stress, Journal of Materials Engineering and Performance, 10.1007/s11665-019-03959-7, (2019).

Author Li Xia Zhu, Jin Heng Luo, Gang Wu, Li Feng Li, Lei Li, Yi WuPublish Year 2020Some results are removed in response to a notice of local law requirement. For more information, please see here.Cited by 14Publish Year 2018Author Jianbo Sun, Chong Sun, Chong Sun, Yong WangEffect of particle size on the electrochemical corrosion research on the corrosion behavior of x70 pipeline steel

In this study, by using a standard quartz replace of sandy soil particles, the effect of soil particle size (0.10.25 mm, 0.61.0 mm) on the electrochemical corrosion behavior of X70 pipeline steel in sandy soil corrosive environment simulated by 3.5 wt% sodium chloride (NaCl) was investigated through polarization curve and electrochemical impedance spectroscopy (EIS) technology.Cited by 17Publish Year 2018Author Liwei Wang, Lianjun Cheng, Junru Li, Zhifu Zhu, Shuowei Bai, Zhongyu CuiEstimated Reading Time 8 minsCorrosion behavior of the weld joint of X80 pipeline steel research on the corrosion behavior of x70 pipeline steelMar 23, 2020In this paper, the corrosion behavior of X80 pipeline steel weld joints in an acidic red soil solution was studied. The results show that uniform corrosion occurs on the entire surface of the weld joint after 840 h immersion. The corrosion degree of heat affected zone (HAZ) is more serious than that of base metal (BM) and weld zone (WZ).

Cited by 1Publish Year 2015Author Zhongyu Cui, Zhiyong Liu, Liwei Wang, Cuiwei Du, Xiaogang LiMaterials Free Full-Text Combined Effect of research on the corrosion behavior of x70 pipeline steel

Influence of alternating current (AC) on pitting corrosion and stress corrosion cracking (SCC) behavior of X70 pipeline steel in the near-neutral pH environment under cathodic protection (CP) was investigated. Both corrosion and SCC are inhibited by 0.775 VSCE CP without AC interference. With the superimposition of AC current (110 mA/cm2), the direct current (DC) potential shifts research on the corrosion behavior of x70 pipeline steelCited by 1Publish Year 2019Author Xinhua WangCorrosion behavior of API X70 microalloyed pipeline steel research on the corrosion behavior of x70 pipeline steelMar 27, 2019In this study, the effect of Pseudomonasbacterial species on the corrosion behavior of API X70 microalloyed pipeline steel is evaluated in a simulated soil solution at different immersion times (varying from 24 h to 504 h) under both abiotic and biotic conditions. The electrochemical impedance spectroscopy (EIS) results show a considerable variation in charge transfer resistance of corrosion Cited by 1Publish Year 2020Author Xianming Cao, Tangqing Wu, Meng Liu, Binbin Wang, Minghua Zhang, Cong Li, Fucheng YinAnodic Dissolution of API X70 Pipeline Steel in Arabian research on the corrosion behavior of x70 pipeline steelAbstractIntroductionMaterials and MethodsResults and DiscussionConclusionAcknowledgmentThe corrosion of API X70 pipeline steel after 1h and 20h immersion in Arabian Gulf seawater (AGSW) has been reported using variety of electrochemical measurements. Potential-time experiments indicated that the potential of the steel shifts to the more negative values in the first few minutes of the immersion and then forms a layer of oxides and/or corrosion products that partially protect the steel surface and shift its potential towards the less negative values with time. Electrochemical impedance spSee more on hindawiCited by 5Publish Year 2014Author El-Sayed M. Sherif, Abdulhakim A. AlmajidField corrosion characterization of soil corrosion of X70 research on the corrosion behavior of x70 pipeline steelAbstract The corrosion behavior of X70 pipeline steel buried in red soil environment has been studied. The surface morphology and elemental distribution were determined by scanning electron microscopy (SEM),energy dispersive X-ray spectroscopy (EDS), and X-ray diffraction (XRD). The corrosion kinetics was evaluated by weight loss measurement. The results show that in red soil, the corrosion research on the corrosion behavior of x70 pipeline steel

Cited by 28Publish Year 2011Author Cheng Sun, Jin Xu, Fuhui WangExternal Stress Corrosion Cracking Risk Factors of High research on the corrosion behavior of x70 pipeline steel

The influence weights of various sensitive factors, such as steel grade, applied potential, temperature and soil environment, on stress corrosion cracking behavior of high-grade pipeline steel were studied by means of orthogonal test at mixed level and slow strain rate test. The stress corrosion behavior of X80 pipeline steel in near neutral and high pH simulated soil solution under research on the corrosion behavior of x70 pipeline steelCited by 2Publish Year 2018Author Xinhua WangElectrochemical Corrosion Behavior of X70 Pipeline Steel research on the corrosion behavior of x70 pipeline steelThe corrosion behavior of X70 pipeline steel in the turbulent zone was investigated in situ with a micro-electrode technique using loop jet impingement under high temperature and high pressure CO 2in situ with a micro-electrode technique using loop jet impingement under high temperature and Cited by 2Publish Year 2018Author Xinhua WangStress Corrosion Cracking Behavior of X80 Pipeline Steel research on the corrosion behavior of x70 pipeline steelMar 22, 2017Self-designed experimental device was adopted to ensure the normal growth of sulphate-reducing bacteria (SRB) in sterile simulated Yingtan soil solution. Stress corrosion cracking (SCC) behavior of X80 pipeline steel in simulated acid soil environment was investigated by electrochemical impedance spectroscopy, slow strain rate test, and scanning electron microscope.

Cited by 5Publish Year 2014Author El-Sayed M. Sherif, Abdulhakim A. AlmajidSTRESS CORROSION CRACK INITIATION BEHAVIOR FOR THE

Stress corrosion cracking (SCC) has become one of the main threats for pipelines safe. The crack initiation is the first step for pipeline SCC. The disbonded coating affects the SCC initiation behavior. In the present paper, the effect of cathodic protection potential on SCC initiation for X70 pipeline steel in the NS4 solution beneath a disbonded coating is studied by a cyclic loading test.Cited by 68Publish Year 2006Author A. Benmoussa, M. Hadjel, M. TraisnelResearch Progress of Stress Corrosion Cracking Behaviorof research on the corrosion behavior of x70 pipeline steelResearch Progress of Stress Corrosion Cracking Behaviorof Pipeline Steel Under the Action of Biofilm XIE Fei 1, WANG Xingfa 1, WANG Dan 1,SUN Dongxu 1,2, QI Jianjing 3 1 College of Petroleum Engineering, Liaoning Shihua University, Fushun 113001; 2 College of Pipeline and CivilEngineering, China University of Petroleum, Qingdao 266580; 3 Oil & Gas Technology Research Instituteof Cited by 9Publish Year 2017Author Dan Wang, Fei Xie, Ming Wu, Guangxin Liu, Guangxin Liu, Yue Zong, Xue LiEstimated Reading Time 2 minsCorrosion behavior of API 5L X60 pipeline steel exposed research on the corrosion behavior of x70 pipeline steelSep 29, 2006R Hendi, H Saifi, K Belmokre, M Ouadah, B Smili, B Talhi, Effect of black clay soil moisture on the electrochemical behavior of API X70 pipeline steel, Materials Research Express, 10.1088/2053-1591/aab40e, 5, 3, (036523), (2018).

Corrosion Behavior of X-70 Pipe Steel in Crude Oil research on the corrosion behavior of x70 pipeline steel

Apr 13, 2014The electrochemical behavior of X70 pipeline steel as a function of surface characteristics was investigated by potentiodynamic Tafel scan, R p/E c, potentiostatic and electrochemical impedance spectroscopy (EIS) in tap water, crude oil extract, and oil-in-water emulsion. The results demonstrated that polished surface was more corrosion resistant than rough surface in Effect of Alternating Stray Current and Stress on the research on the corrosion behavior of x70 pipeline steeland applied stress can accelerate the corrosion behavior of near neutral NS 4 simulation solution of X65 pipeline steel, promote the formation of corrosion pits and accelerate the corrosion rate. Xu and Cheng [20] considered that the static elastic stress exerted on the pipeline steel has a Effect of pH Value on the Crack Growth Behavior of X70 research on the corrosion behavior of x70 pipeline steelIn this work, the crack growth behavior of X70 pipeline steel in the near-neutral pH and acidic solutions was investigated using in-situ crack length measurement, microscopic observation and polarization curves. The results showed that the decrease of the solution pH promoted the anodic and cathodic reactions simultaneously and accelerate the corrosion rate of X70 steel.

Effects of O2 and SO2 on Water Chemistry Characteristics research on the corrosion behavior of x70 pipeline steel

@article{Sun2018EffectsOO, title={Effects of O2 and SO2 on Water Chemistry Characteristics and Corrosion Behavior of X70 Pipeline Steel in Supercritical CO2 Transport System}, author={J. Sun and C. Sun and Yong Wang}, journal={Industrial & Engineering Chemistry Research}, year={2018}, volume={57}, pages={2365-2375} }Effects of microstructure alteration on corrosion behavior research on the corrosion behavior of x70 pipeline steelAbstract In the present work, a heat treatment process was used to modify corrosion behavior of heat affected zone (HAZ) and weld metal (WM) in welded pipe steel of grade API X70. A one-step austenitizing with two-step quenching and subsequent tempering treatment was performed to alter the microstructure of HAZ and WM. The hardness and strength values were controlled to be in the Interaction of Sulfate-Reducing Bacteria and Carbon Steel research on the corrosion behavior of x70 pipeline steelOct 05, 2011Corrosion behavior of API X70 microalloyed pipeline steel in a simulated soil solution in the absence and presence of aerobic Pseudomonas species. Materials Research Express 2019, 6 (6) , 065409. DOI 10.1088/2053-1591/ab0f67.

People also askHow is corrosion behavior of X80 Steel studied?How is corrosion behavior of X80 Steel studied?The corrosion behavior of X80 pipeline steel with or without SRB was researched by electrochemical methods such as open circuit potential, dynamic potential polarization curve, and electrochemical impedance spectroscopy.Study on corrosion behavior of X80 steel under stripping research on the corrosion behavior of x70 pipeline steelResearch Article Anodic Dissolution of API X70 Pipeline research on the corrosion behavior of x70 pipeline steel

Research Article Anodic Dissolution of API X70 Pipeline Steel in Arabian Gulf Seawater after Different Exposure Intervals El-SayedM.Sherif 1,2 andAbdulhakimA.Almajid 1 Department of Mechanical Engineering, College of Engineering, King Saud University, P.O. Box , Riyadh , Saudi ArabiaResearch on the Corrosion Behavior of X70 Pipeline Steel research on the corrosion behavior of x70 pipeline steelCited by 3Publish Year 2019Author Xinhua Wang, Zuquan Wang, Yingchun Chen, Xuting g, Cheng XuEstimated Reading Time 4 minsAbstract. The coupling effect of stray AC (alternating current)+DC (direct current) and tensile Introduction. In recent years, due to the rapid development of electrified railways and high-voltage Study on corrosion and delamination behavior of X70 steel pipe. Study and exploration of the corrosion problem of high strength steel under stress has become a new topic of research [30]. Under AC and DC interferences, the corrosion of high strength pipeline steel and the delamination behavior of the coating are complex, and the corrosion

X70 Steel Scientific.Net

Abstract Electrochemical impedance spectrum (EIS) technology and microscope analysis were used to investigate the corrosion behaviors of X70 pipeline steel in 0.5 M NaHCO 3 + 0.5 M NaCl mix solution. The effects of applied stress on the open circuit potential (OCP), polarization resistance and surface microscope were summarized.

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