Relevant bibliographies by topics / Steel-pipe corrosion

Academic literature on the topic 'Steel-pipe corrosion'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Steel-pipe corrosion"

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Wang, Kui, Zhanqiang Li, and Mingjie Zhao. "Mechanism of Localized Corrosion of Steel Pipe Pile Foundation for Offshore Wind Turbines and Corrosive Action." Open Civil Engineering Journal 10, no. 1 (October 31, 2016): 685–94. http://dx.doi.org/10.2174/1874149501610010685.

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The wind turbine foundation serves as a permanent construction in the harsh marine corrosive environment, its anti-corrosion design is essential to the safe use of the wind turbine structure. At present, there is a significant controversy over the local corrosion mechanism (such as pitting corrosion, and crevice corrosion) and its diffusion mechanism in the academic circle. In the paper, the Faraday electrochemistry formula was used to compute the local corrosion degree of the steel pipe pile for the wind turbine and obtain the general corrosion equivalent. The local corrosion effect of the offshore steel pipe pile for the wind turbine was converted into homogeneous corrosion thickness loss of certain length, and then the ultimate strength of the offshore steel pipe pile foundation for the wind turbine was analyzed under the conditions of local corrosion. The result indicates that the maximum ultimate strength reductionof the steel pipe pile for the wind turbine induced by the local corrosion in the splash zone is 80.8% of the non-corrosive ultimate strength. The maximum ultimate strength reduction of the steel pipe pile for the wind turbine induced by the local corrosion in the continuous immersion zone is 63% of the non-corrosive ultimate strength. Once the local corrosion rate in the splash zone exceeds 10%, the ultimate strength of the steel pipe pile for the wind turbine will exhibit a negative exponential decrease. The local corrosion in the continuous immersion zone has a huge effect on its ultimate strength. There are no significant signs of the structural strength loss. The areas prone to local corrosion should be prioritized in anti-corrosion design of the steel pipe pile for the wind turbine.
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Wang, Kui, and Ming-jie Zhao. "Mathematical Model of Homogeneous Corrosion of Steel Pipe Pile Foundation for Offshore Wind Turbines and Corrosive Action." Advances in Materials Science and Engineering 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/9014317.

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In this paper, the nonlinear corrosion model under the combined action of the anticorrosion system and corrosive environment is chosen as the mathematical model of homogeneous corrosion of steel pipe pile foundation for the offshore wind turbine. Based on the mathematical model, a three-dimensional finite element model was established for the steel pipe pile foundation of the offshore wind turbine. And the homogeneous corrosion action of the steel pipe piles was calculated, and the reduction rules of the strength and stability of the steel pipe piles for wind turbines under different corrosion patterns are analyzed. According to the calculation results, the mathematical model can be used in the analysis of corrosion for steel pipe pile in the wind turbine. Under the normal operation conditions, the reduction rules of the strength and stability of the steel pipe piles contain three stages: no influence stage, negative exponential decrease stage, and stable stage. But under the extreme load conditions, the effect of corrosion is enormous for the strength and stability of the steel pipe pile.
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Wan, Li Ping, Ying Feng Meng, Gao Li, and Hua Zhou. "Corrosion Behavior of Drilling Pipe Steels for High Sour Gas Field." Advanced Materials Research 415-417 (December 2011): 2292–97. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.2292.

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A polymer drilling fluid containing high content of hydrogen sulfide was used as the corrosive medium to investigate the effects of temperature, flow velocity, pH value and partial pressure ratio of CO2/ H2S on the corrosion behavior of high strength drill pipe steel S135 and G105. The morphology and composition of the corrosion products were analyzed as well. It was found that the average corrosion rate of the two types of steel increased with increasing temperature of the corrosive medium, with the corrosion rate to decrease slightly within 60°C-80°C and keep almost unchanged above 120°C. At the same time, the corrosion rate of the drill pipe steels had little to do with the flow rate but increased with decreasing pH value of the corrosive medium. Moreover, the partial pressure ratio of CO2/ H2S had a slight effect on the corrosion behavior of the drill pipe steel. However, the two types of drill pipe steel showed a larger corrosion rate in gas phase than in liquid phase corrosive medium, which was contrary to what were observed in gas and liquid phases corrosion tests of conventional acidic drilling fluids. In addition, it was confirmed by sulfide stress corrosion test that the drill pipe steel of a higher strength had smaller critical stress, and the resistance of the drill pipe to stress attack was ranked as G105(C)＞G105(D)＞S135(B)＞S135(A). It was anticipated that the present research results could be used to guide the selection of materials for drilling pipe steels used in natural gas field of high acidity.
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Zeng, De Zhi, Yuan Hua Lin, Da Jiang Zhu, Hong Jun Zhu, Tan Gu, Li Ming Huang, and Tai He Shi. "Study on H2S Corrosion Resistance of L245/825 Lined Steel Pipe Welding Gap." Advanced Materials Research 160-162 (November 2010): 1264–69. http://dx.doi.org/10.4028/www.scientific.net/amr.160-162.1264.

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The exploitation of high acid wells is facing severe corrosion challenges in the A and B gas fields in Sichuan, thus using lined steel pipe is a reliable and cost-effective anti-corrosion measure. However, lined steel pipe welding involves dissimilar steel welding, and anti-corrosion performances will be affected if the welding process is unreasonable. So it is necessary to make evaluation for corrosion of lined steel pipe. In this paper, taking welding gap of L245/825 lined steel pipe as example, the anti-SSC performances of L245/825 straight and ring welding gaps in NACE A solution were studied by CR method, and anti-cracking performances of them were evaluated by laboratory experiments. Then corrosion performances of L245/825 lined steel pipe welding gaps and L360NCS carbon steel were studied in the corrosive environment found in the Tian Dong 5-1 high sour gas well. Laboratory and field tests show that straight and ring welding gaps of L245/825 lined steel pipe have good anti-environment and anti-cracking performances of electrochemical corrosion in the high acid environment. The technology of welding process selected in the paper is reliable. Research results provide references for welding operation of L245/825 lined steel pipe in high sour gas fields.
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Syafei, Nendi Suhendi, S. S. Rizki, Suryaningsih Suryaningsih, and Darmawan Hidayat. "Comparison of Corrosion Rate in the Environment of 10% Acetic Acid solution with different Deflection." Eksakta : Berkala Ilmiah Bidang MIPA 20, no. 2 (August 31, 2019): 84–93. http://dx.doi.org/10.24036/eksakta/vol20-iss2/190.

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The oil and gas industry exploration that will generally be followed by corrosive substances including sweet gas (eg H2S and CO2), it will result in corrosion event. The corrosion stress cracking will cause the carbon steel pipe to break so that production oil and gas can be stopped. The research aims in this paper is to analyze the corrosion event of carbon steel pipe in laboratory scale on acid environment with the existence of sweet gas H2O and CO2 by using three points loading method. This research uses carbon steel pipe API 5L-X65 which stay in condensation environment of 1350 ml aquades, 150 ml acetic acid. Based on the figure (5.a) and figure (5.b) that the corrosion rate will increase with increasing exposure time, and the greater the stress that is given, the corrosion rate increases according to the image (6.a) and image (6.b). Whereas based on the results of microstructural tests using optical microscopes, pitting corrosion occurs, and corrosion events occur are the stress corrosion cracking transgranular and intergranular based on figure 8.
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Gou, Shu Yun, and Yu He Li. "Study on Corrosion Resistance of Carbon Steel/Stainless Steel Composite Pipe." Applied Mechanics and Materials 423-426 (September 2013): 212–18. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.212.

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The carbon steel/stainless steel composite pipe was prepared by centrifugal compound casting-hot extrusion-cold rolling. SEM was employed in detecting the microstructure and alloy element distribution maps in stainless steel of composite pipe. The mechanical properties were measured through tensile test. The corrosion resistance of the composite pipe was detected in acid, alkali and salt solutions. The results show that the outer and inner layers are integrated with good metallurgical behavior, and the mechanical properties of the composite pipe are satisfactory, the chemical compositions are well-distributed. The grain-boundary corrosion test is qualified. This composite pipe has better corrosion resistance in 10%H2SO4and 10%NaOH solution than in FeCl3solution at room temperature.
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Sultan, Jamal Nayief, Muna Khethier Abbas, Marwa Abd-al Kareem Ibrahim, Emad Toma Karash, Adel M. Ali, and Hssein A. Ibrhim. "Corrosion Behavior of Thermal Seamless Carbon Steel Boiler Pipes." Annales de Chimie - Science des Matériaux 45, no. 5 (October 31, 2021): 399–405. http://dx.doi.org/10.18280/acsm.450506.

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The current study was absorbed on corrosion of ASTM A106 grade B -02 seamless carbon steel boiler pipes. Beyond corrosion experiments in corrosive medium with varying pH values, the weight lost in addition to corrosion rate (m.p.y) values were computed. The weight loss of boiler tube specimens exposed to corrosive liquid was shown to rise as the exposure period of the specimens increased. The results of the microstructure imaging showed that a de-carburized film of 240 µm thickness was shaped on the fireside of the pipe boiler, with ferrite and a few phases of pearlite. On the water lateral side, it was revealed that boiler pipe failure begins with small rust particles that expand to greater sizes and form scales that are displaced from the boiler pipe's surface. On the surfaces of the boiler pipe water side, several pits with crevice corrosion were observed. The corrosion amounts were discovered to decrease when the specimens' exposure time to corrosive environments and hydrogen ion concentration contents increased (pH). The findings of mechanical characteristic values such as hardness, yield strength, and tensile strength revealed that the waterside had higher values than the fireside, while the middle of the pipe had reasonable values. The findings also demonstrated that at low pH values, a tiny size of rust was created on the boiler tube specimen surface. However, at high pH values of corrosive medium, big sizes of corrosion rust were observed on the specimen surfaces.
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Nascimento, Jean Victal do, Rafael Adão de Carvalho, Davi Pereira Garcia, Rômulo Maziero, Edelize Angelica Gomes, and Juan Carlos Campos Rubio. "Stainless steel corrosion in instrumentation pipe." Cadernos UniFOA 14, no. 40 (August 1, 2019): 31–40. http://dx.doi.org/10.47385/cadunifoa.v14i40.2940.

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Corrosion, being a destructive process, causes damage in almost all industrial sectors. In this way, it is harmful both from an economic, social and, especially, safety point of view, as it can cause failures in critical equipment and components of an industrial process. At this point, stainless steels are considered the most corrosion resistant metals. The resistance depends on the chemical composition and microstructure, factors that directly influence the passivation of these materials. The resistance is proportionally related to the addition of chromium (Cr) to the mixture, as well as other alloying elements, among which is the molybdenum (Mo), whose main function is to maximize corrosion resistance in the marine atmosphere, as in case of austenitic stainless steel AISI 316 which presents in the chemical composition a percentage of the element Mo. Austenitic stainless steels are applied in instrumentation systems in tubing for reliability in severe atmospheres in accordance with ASTM A269 which establishes the materials applicable to this function. Thus, the present work presents, through a review and case study, Pitting Corrosion of tubings of austenitic stainless steel AISI 316 in the presence of chloride ions (Cl-) coming from the marine atmosphere. The results show that there is no change in the longitudinal and transverse structure for all analyzed tubes, showing a homogeneous austenitic structure, free of intergranular precipitations.
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Nascimento, Jean Victal do, Rafael Adão de Carvalho, Davi Pereira Garcia, Rômulo Maziero, Edelize Angelica Gomes, and Juan Carlos Campos Rubio. "Stainless steel corrosion in instrumentation pipe." Cadernos UniFOA 14, no. 40 (August 1, 2019): 31–40. http://dx.doi.org/10.47385/cadunifoa.v14.n40.2940.

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Corrosion, being a destructive process, causes damage in almost all industrial sectors. In this way, it is harmful both from an economic, social and, especially, safety point of view, as it can cause failures in critical equipment and components of an industrial process. At this point, stainless steels are considered the most corrosion resistant metals. The resistance depends on the chemical composition and microstructure, factors that directly influence the passivation of these materials. The resistance is proportionally related to the addition of chromium (Cr) to the mixture, as well as other alloying elements, among which is the molybdenum (Mo), whose main function is to maximize corrosion resistance in the marine atmosphere, as in case of austenitic stainless steel AISI 316 which presents in the chemical composition a percentage of the element Mo. Austenitic stainless steels are applied in instrumentation systems in tubing for reliability in severe atmospheres in accordance with ASTM A269 which establishes the materials applicable to this function. Thus, the present work presents, through a review and case study, Pitting Corrosion of tubings of austenitic stainless steel AISI 316 in the presence of chloride ions (Cl-) coming from the marine atmosphere. The results show that there is no change in the longitudinal and transverse structure for all analyzed tubes, showing a homogeneous austenitic structure, free of intergranular precipitations.
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10

Nascimento, Jean Victal do, Rafael Adão de Carvalho, Davi Pereira Garcia, Rômulo Maziero, Edelize Angelica Gomes, and Juan Carlos Campos Rubio. "Stainless steel corrosion in instrumentation pipe." Cadernos UniFOA 14, no. 40 (August 1, 2019): 31–40. http://dx.doi.org/10.47385/cadunifoa.v14.n40.2940.

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Abstract:
Corrosion, being a destructive process, causes damage in almost all industrial sectors. In this way, it is harmful both from an economic, social and, especially, safety point of view, as it can cause failures in critical equipment and components of an industrial process. At this point, stainless steels are considered the most corrosion resistant metals. The resistance depends on the chemical composition and microstructure, factors that directly influence the passivation of these materials. The resistance is proportionally related to the addition of chromium (Cr) to the mixture, as well as other alloying elements, among which is the molybdenum (Mo), whose main function is to maximize corrosion resistance in the marine atmosphere, as in case of austenitic stainless steel AISI 316 which presents in the chemical composition a percentage of the element Mo. Austenitic stainless steels are applied in instrumentation systems in tubing for reliability in severe atmospheres in accordance with ASTM A269 which establishes the materials applicable to this function. Thus, the present work presents, through a review and case study, Pitting Corrosion of tubings of austenitic stainless steel AISI 316 in the presence of chloride ions (Cl-) coming from the marine atmosphere. The results show that there is no change in the longitudinal and transverse structure for all analyzed tubes, showing a homogeneous austenitic structure, free of intergranular precipitations.
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Dissertations / Theses on the topic "Steel-pipe corrosion"

1

Vuppa, Anil Kumar. "Study of carbon dioxide corrosion of carbon steel pipes in multiphase systems." Ohio : Ohio University, 1994. http://www.ohiolink.edu/etd/view.cgi?ohiou1178738186.

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Itoh, Yoshito, Yasuo Kitane, and Xiao Chen. "Evaluation of repair design on corrosion-damaged steel pipe piles using welded patch plates under compression." 土木学会, 2011. http://hdl.handle.net/2237/18848.

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Ritchie, Porter. "The Susceptibility of Electric Resistance Welded Line Pipe to Selective Seam Weld Corrosion." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1586336007742949.

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Santos, Julianne Ribeiro dos. "Influence of heat imput in multipass welding na corrosion resistence of UNS S32760 superduplex stainless steel welded pipe joints by GMAW process." Universidade Federal do CearÃ, 2013. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13611.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior
O objetivo do presente trabalho à estudar o efeito da energia de soldagem sobre as transformaÃÃes microestruturais e a resistÃncia à corrosÃo na soldagem multipasse do aÃo inoxidÃvel superduplex UNS S32760 pelo processo MIG/MAG. A fim de atingir este objetivo, foram produzidas juntas soldadas variando-se a energia de soldagem nos seguintes nÃveis: 0,5 kJ/mm, 1,0 kJ/mm e 2,0 kJ/mm. Os valores de energia foram baseados em registros de qualificaÃÃo de procedimento de soldagem (RQPS) elaborados e aplicados nas unidades da PETROBRAS, exceto para a condiÃÃo de 2,0 kJ/mm, a qual foi extrapolada. As soldagens foram realizadas em juntas de tubos com 18 mm de espessura, com geometria em âJâ em uma bancada robotizada. Foi realizada uma caracterizaÃÃo microestrutural das regiÃes da Zona Fundida (ZF) e Zona Afetada pelo Calor (ZAC) pelas de Microscopia Ãtica (MO) e Microscopia EletrÃnica de Varredura (MEV). Como caracterÃsticas de resposta, avaliou-se o teor mÃdio de ferrita por anÃlise de imagens. A resistÃncia à corrosÃo foi avaliada pelas tÃcnicas eletroquÃmicas de polarizaÃÃo potenciodinÃmica com soluÃÃes de cloreto de sÃdio em diferentes concentraÃÃes (60g/L, 120g/L e 240g/L), polarizaÃÃo eletroquÃmica com reativaÃÃo potenciocinÃtica cÃclica (EPR-DL), teste eletroquÃmico de temperatura critica de pite seguindo a norma ASTM G150, ensaio de imersÃo em soluÃÃo de cloreto de ferro seguindo a norma ASTM G48 e ensaio de imersÃo em emulsÃes de petrÃleo preparadas com soluÃÃes de cloreto de sÃdio em diferentes concentraÃÃes (60g/L, 120g/L e 240g/L) e diferentes razÃes Ãgua/Ãleo (10%-90%, 30%-70% e 50%-50%). Os resultados indicaram que a energia de soldagem foi o fator que exerceu maior influÃncia sobre o teor mÃdio de ferrita na regiÃo da zona fundida da raiz das juntas. Houve precipitaÃÃes de nitretos de cromo em todas as energias e de fase sigma na energia de 1,0 kJ/mm e 2,0 kJ/mm. Os resultados do ensaio de EPR, assim como os ensaios de CPT mostraram que a zona fundida da energia de 1,0 kJ/mm se mostrou mais susceptÃvel a corrosÃo. Os ensaios de imersÃo seguindo a norma ASTM G48 mostraram que a temperatura onde ocorreu a formaÃÃo de pites com perda de massa considerÃvel quando as amostras entraram em contato com a soluÃÃo de cloreto de ferro foi em 50ÂC para todas as energias. E finalmente os ensaios de imersÃo em emulsÃes de petrÃleo, mostraram novamente que a energia de 1kJ/mm foi a que apresentou uma maior quantidades de pites.
The aim of this study was to evaluate the effect of heat imput in multipass welding on microstructural transformations and corrosion resistance of UNS S32760 superduplex stainless steel welded pipe joints by GMAW process. For this purpose, three levels of heat imput (0.5, 1.0 and 2.0 kJ/mm) were used. The heat imput values were based on records of welding procedure qualification (RWPQ) drawn up and applied in PETROBRAS units, except for the condition of 2.0 kJ/mm, which was an extrapolation. Weldings had been carried out for pipes with 18 mm thick, with joint geometry of J-groove. All welds were performed using a robotic workbench. The microstructural characterization of the weld regions like Fusion Zone (FZ) and Heat-Affected Zone (HAZ) were the performed by Ligth microscopy (LM) and scanning electron microscopy (SEM). The average ferrite content was determined by image analysis and was considerated as a characteristic response. The corrosion resistance was evaluated by electrochemical potentiodynamic polarization in sodium chloride solutions with different concentrations (60 g/L, 120 g/L and 240 g/L) aiming to simulate the concentration of chlorides in water production of oil reservoir of the pre-salt region. The to evaluate the electrochemical potentiokinetic reactivation cyclic of double loop (EPR-DL) corrosion was done to evaluate of susceptibility to corrosion. Electrochemical tests critical temperature for pitting according to ASTM G150, immersion tests in a solution of ferric chloride following the ASTM G48. Immersion tests in oil emulsions prepared with sodium chloride solutions at different concentrations (60 g/L 120 g/L and 240g/L), heated at 60ÂC and different ratio oil/water (10%-90%, 30%-70% and 50%-50%) were conduced. The results indicated that the welding heat imput was the factor that exerted the greatest influence on the average ferrite content in the fusion zone. There were precipitation of chromium nitrides at all heat imputs and sigma phase for the 1.0 kJ/mm and 2.0 kJ/mm. The EPR tests results as well as TCP tests showed that the fusion zone energy of 1.0 kJ/mm was more susceptible to corrosion. The immersion tests according to ASTM G48 showed that the temperature where the formation of pits occurred with considerable mass loss when the samples came in contact with the solution of ferric chloride was 50ÂC for all heat imputs. And finally, the immersion test in oil emulsions, showed again that the 1.0 kJ/mm test sample showed the greater amounts of pitting.
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ITOH, Y., Y. KITANE, and X. CHEN. "Compression Behaviors of Thickness-Reduced Steel Pipes Repaired with Underwater Welds." Elsevier, 2011. http://hdl.handle.net/2237/18823.

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Vuppu, Anil Kumar. "Study of carbon dioxide corrosion of carbon steel pipes in multiphase systems." Ohio : Ohio University, 1994. http://www.ohiolink.edu/etd/view.cgi?ohiou1179862088.

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Castillo, Montes Jaime. "Impacts des stratégies d'exploitation de réseaux intérieurs sur la durabilité de canalisations d'eau chaude." Phd thesis, Université de La Rochelle, 2011. http://tel.archives-ouvertes.fr/tel-00730705.

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Afin de maitriser la qualité d'eau dans les réseaux d'eau chaude sanitaire, des traitements de désinfection thermiques et chimiques sont utilisés. Ces traitements de désinfection peuvent avoir un impact sur la dégradation des canalisations. L'influence de l'addition d'hypochlorite de sodium et de l'augmentation de la température sur la vitesse et le mode de dégradation des canalisations en cuivre, acier galvanisé, PERT/Al/PERT et PVCc a été étudiée. Pour ceci, des essais de vieillissement accéléré ont été réalisés en conditions statiques et dynamiques. Afin de réaliser les essais en conditions dynamiques, un banc d'essais à échelle 1 a été conçu et construit.La chimie des solutions d'hypochlorite de sodium à des températures élevées (>50°C) est complexe, ceci a motivé la réalisation d'une étude complémentaire sur les espèces présentes en fonction du pH et la cinétique de décomposition des solutions d'hypochlorite de sodium. Cette étude a révélé que l'augmentation de la température de 50°C à 70°C à une valeur de pH donnée produit une diminution significative de la concentration en acide hypochloreux. De plus, la décomposition de l'hypochlorite de sodium en chlorates est accélérée par la présence de cuivre et elle peut devenir significative à partir de 50°C.Les essais de vieillissement réalisés sur les canalisations ont révélé que l'addition d'hypochlorite de sodium est pénalisante par rapport à la vitesse de dégradation du cuivre, acier galvanisé et PERT/Al/PERT. Cependant, la dégradation du PVCc ne semble pas se voir affectée par l'addition d'hypochlorite de sodium. L'élévation de la température de 50°C à 70°C paraît accélérer légèrement la dégradation du PERT/Al/PERT et du PVCc. En revanche, avec une chloration de 25 ppm en hypochlorite de sodium, le mode de corrosion du cuivre est uniforme à 70°C tandis qu'il est localisé à 50°C.Les conclusions de ces résultats peuvent être d'utilité pour la conception et la maintenance des réseaux d'eau chaude sanitaire.
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Петрина, Д. Ю. "Вплив експлуатаційної деградації матеріалів і зварних з'єднань магістральних нафтогазопроводів на їх працездатність." Thesis, Івано-Франківський національний технічний університет нафти і газу, 2011. http://elar.nung.edu.ua/handle/123456789/1902.

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У дисертації на основі вивчення змін фізико-механічних і електрохімічних властивостей, механізмів руйнування тривало експлуатованих сталей нафтогазопроводів та їх зварних з’єднань вдосконалено існуючі та розроблено нові методи оцінки характеристик деградованого металу з позиції його подальшої працездатності. Виявлено аномалію у механічній поведінці тривало експлуатованих сталей, що проявляється в зменшенні твердості та міцності за одночасного зниження опору крихкому руйнуванню та відносного звуження і в різному характері зміни показників пластичності (зменшенні у і рості б). Найефективніше експлуатаційна деградація трубних сталей проявляється за більш жорстких умов навантаження, понижених температурах, наявності агресивних середовищ. Вона помітно погіршує електрохімічні характеристики, особливо поляризаційний опір. Розроблений новий метод статистичної оцінки залежності ударної в’язкості трубної сталі 17Г1С та її складових від температури випробувань. Висока чутливість ударної в’язкості до деградації сталей зумовлена зниженням складової роботи поширення тріщини. Встановлено, що періоди зародження та докритичного росту корозійно-механічної тріщини є меншими для експлуатованої сталі порівняно з новою. Тривала експлуатація спричиняє деградацію характеристик пластичності, ударної в’язкості, тріщиностійкості та корозійної тривкості зварних з’єднань .
In the thesis on the basic of study of physico-mechanical and electrochemical in properties and destruction mechanisms of the long-term operating steel of oil and gas pipelines the existing methods of assessment of degradation metal from the viewpoint of its durability were improved and developed were the new ones. The abnormality in the mechanical behavior of long-term operating steel has been revealed that results in hardness and toughness decrease at simultaneous reduction of resistance to brittleness destruction and relative contraction and in a different mode of changes of plasticity indices (lowering xp and increasing 8). The most efficient pipeline steel operating degradation is revealed at more sever loading conditions, decreased temperatures and the availability of corrosive medium. It significantly worsens electrochemical characteristics, particularly resistance to polarization. Developed was, the new method of statistical assessment of dependence of impact toughness of pipeline steel 17Г1C and its components upon the testing temperature. High sensitivity of impact toughness to steel degradation is due to such operational component as crack expansion. It has been determined that the periods of corrosive-mechanical crack nucleation and its subcritical growth are shorter for operating steel in comparison with the newly made. The long-term operation leads to degradation of characteristics of plasticity, impact toughness, crack growth resistance and corrosive resistance durability of welded joints.
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Matsuoka, Kazumi, Naohiko Watanabe, Yoshito Itoh, Yasuo Kitane, 和巳 松岡, 尚彦 渡邊, 義人 伊藤, and 安雄 北根. "水中溶接鋼板添接補修された断面欠損鋼管の耐荷力実験." 土木学会, 2009. http://hdl.handle.net/2237/18844.

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Itoh, Y., N. Watanabe, and Y. Kitane. "EVALUATION OF STRENGTH RECOVERY OF REPAIRED STEEL PIPE PILES." 2008. http://hdl.handle.net/2237/18859.

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Books on the topic "Steel-pipe corrosion"

1

Chekunov, I. P. Vysokotemperaturnai͡a︡ paĭka truboprovodov iz korrozionno-stoĭkoĭ stali. Moskva: "Mashinostroenie", 1988.

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Foley, W. J. Closeout of NRC bulletin 87-01: Thinning of pipe walls in nuclear power plants. Washington, DC: Division of Operational Events Assessment, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission, 1989.

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F, Dewsnap R., and Great Britain. Dept. of Energy., eds. A Review of information on hydrogen induced cracking and sulphide stress corrosion cracking in linepipe steels: Report. London: H.M.S.O., 1987.

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P, Fox Katherine, and Water Engineering Research Laboratory, eds. Copper-induced corrosion of galvanized steel pipe. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Copper-induced corrosion of galvanized steel pipe. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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P, Fox Katherine, and Water Engineering Research Laboratory, eds. Copper-induced corrosion of galvanized steel pipe. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Copper-induced corrosion of galvanized steel pipe. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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P, Fox Katherine, and Water Engineering Research Laboratory, eds. Copper-induced corrosion of galvanized steel pipe. Cincinnati, OH: U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Kyōkai, Nihon Tekkō, and Nickel Development Institute (Canada), eds. A Report on the performance of stainless steel pipe for water supply in underground soil environments. Tokyo, Japan: Japan Stainless Steel Association, 1988.

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B, Bushman James, Blonska Frank, National Corrugated Steel Pipe Association (U.S.), and Corrpro Companies, eds. Condition and corrosion survey on corrugated steel storm sewer and culvert pipe: Second interim report, September, 1988. Washington, D.C. (2011 Eye St. N.W., Washington 20006): The Association, 1988.

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Book chapters on the topic "Steel-pipe corrosion"

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Makita, M., and R. Tanaka. "Exposure Tests of Corrosion-Protected Steel Pipe Piles in Marine Environment." In Ocean Space Utilization ’85, 539–46. Tokyo: Springer Japan, 1985. http://dx.doi.org/10.1007/978-4-431-68284-4_59.

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de Aquino Lima, Felipe, Ana Paula Neiva de Moura Santos, and Dalila Moreira da Silveira. "Corrosion of AISI 316L Stainless Steel Pipe in a Complex Ammoniacal Medium." In Proceedings of the 6th Brazilian Technology Symposium (BTSym’20), 617–26. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75680-2_68.

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Kakehi, T., Y. Imakita, and Y. Hoshino. "New Corrosion Control System for Steel Pipe Piles of the Oversea Bridge Footings." In Ocean Space Utilization ’85, 547–52. Tokyo: Springer Japan, 1985. http://dx.doi.org/10.1007/978-4-431-68284-4_60.

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Zeng, Dezhi, Yuanhua Lin, Liming Huang, Daijiang Zhu, Tan Gu, Taihe Shi, and Yongxing Sun. "Study on Corrosion Resistance of L245/825 Lined Steel Pipe Welding Gap in H2S+CO2Environment." In Carbon Dioxide Sequestration and Related Technologies, 463–77. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118175552.ch26.

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Mori, Y., and T. Tomura. "Experiments on Repair of Corrosion Protective Coverings Applied to the Splash and Tidal Zones of Steel Pipe Piles." In Ocean Space Utilization ’85, 569–76. Tokyo: Springer Japan, 1985. http://dx.doi.org/10.1007/978-4-431-68284-4_63.

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Gavanluei, Arshad Bajvani, Brajendra Mishra, and David L. Olson. "Effect of Temperature on the Loss of Ductility of S-135 Grade Drill Pipe Steel and Characterization of Corrosion Products in CO2Containing Environment." In Supplemental Proceedings, 699–706. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062142.ch85.

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"Corrosion of Steel Pipe in a Heating and Cooling System." In ASM Failure Analysis Case Histories: Failure Modes and Mechanisms. ASM International, 2019. http://dx.doi.org/10.31399/asm.fach.modes.c9001699.

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"Galvanic Corrosion Failure of Austenitic Stainless Steel Pipe Flange Assemblies." In Handbook of Case Histories in Failure Analysis, 197–200. ASM International, 1993. http://dx.doi.org/10.31399/asm.fach.v02.c9001336.

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"Stress-Corrosion Cracking of a Teflon-Lined Steel Pipe in Sulfuric Acid Service." In Handbook of Case Histories in Failure Analysis, 188–90. ASM International, 1992. http://dx.doi.org/10.31399/asm.fach.v01.c9001066.

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"Stress-Corrosion Cracking in a Stainless Steel Emergency Injection Pipe in a Nuclear Reactor." In Handbook of Case Histories in Failure Analysis, 225–26. ASM International, 1993. http://dx.doi.org/10.31399/asm.fach.v02.c9001343.

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Conference papers on the topic "Steel-pipe corrosion"

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Silva, Jorge, Hossein Ghaednia, and Sreekanta Das. "Fatigue Life Assessment for NPS30 Steel Pipe." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90081.

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Pipeline is the common mode for transporting oil, gas, and various petroleum products. Aging and corrosive environment may lead to formation of various defects such as crack, dent, gouge, and corrosion. The performance evaluation of field pipelines with crack defect is important. Accurate assessment of crack depth and remaining fatigue life of pipelines with crack defect is vital for pipeline’s structural integrity, inspection interval, management, and maintenance. An experimental based research work was completed at the University of Windsor for developing a semi-empirical model for estimating the remaining fatigue life of oil and gas pipes when a longitudinal crack defect has formed. A statistical approach in conjunction with fracture mechanics was used to develop this model. Statistical analysis was undertaken on CT specimen data to develop this fatigue life assessment model. Finite element method was used for determining the stress intensity factor. The fatigue life assessment model was then validated using full-scale fatigue test data obtained from 762 mm (30 inch) diameter X65 pipe. This paper discusses the test specimens and test data obtained from this study. Development and validation of the fatigue life assessment model is also presented in this paper.
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Tachibana, Shunichi, Yota Kuronuma, Tomoyuki Yokota, Shinji Mitao, Hitoshi Sueyoshi, Yutaka Wada, Keizou Yabumoto, Yutaka Moriya, and Moriyasu Nagae. "Development of TMCP Type Alloy625/X65 Clad Steel Plate for Pipe." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33150.

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Demand for CRAs (Corrosion Resistant Alloys) clad steel is getting increased for pipeline application of oil and gas industry because of economic advantage over solid CRAs. CRAs clad steel consists of a CRAs layer for corrosion resistance and a carbon steel for mechanical properties. Nickel based Alloy625 is known to be suitable for harsh environmental condition such as high temperature and high pressure H2S (hydrogen sulfide) condition. In this paper, the corrosion resistance of Alloy625/X65 clad steel plate for pipe produced by TMCP (Thermo-Mechanical Control Process) was investigated. TTP (Time - Temperature - Precipitation) and TTS (Time - Temperature - Sensitization) diagram of Alloy625 indicated precipitation nose, e.g. M6C and M23C6 which would cause deterioration of corrosion resistance. TMCP enable Alloy625 to avoid long time exposure to the precipitation nose. In Huey test, the corrosion rate in TMCP was almost the same as that of solution treated Alloy625 and smaller than that in Q-T (Quench and Temper). In ferric chloride pitting test, no pitting was observed in Alloy625 layer of TMCP type clad steel. In addition, the corrosion test simulating service environment using autoclave apparatus was conducted under the condition of 0.39MPa H2S - 0.53MPa CO2 - Cl− solution at 200°C. Alloy625 clad steel produced by TMCP showed neither SSC (Sulfide stress corrosion cracking) nor crevice corrosion. All the mechanical properties of base carbon steel satisfied API 5L grade X65 specification by optimizing TMCP conditions. It is notable that 85% SATT of DWTT was below −10 °C. Thus, Alloy625/X65 clad steel plate for pipe produced by TMCP with both superior corrosion resistance and low temperature toughness has been developed.
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Woollin, P., and A. Kostrivas. "Use of Supermartensitic Stainless Steel Pipe for Offshore Flowline Applications." In 25th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/omae2006-92351.

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Supermartensitic stainless steels (SMSS) have high strength and good resistance to corrosion in produced fluids containing CO2 and are cheaper than other competing corrosion resistant alloys. Hence, they are attractive flowline materials and they have been successfully used in a number of offshore applications. Nevertheless, service failures have occurred and two failure mechanisms in particular have caused difficulties at welds: (i) hydrogen embrittlement/ hydrogen induced stress cracking resulting from hydrogen picked-up under cathodic protection and (ii) intergranular stress corrosion cracking (IGSCC). This paper presents experimental data on each of these two failure phenomena and gives details of the currently available ways of avoiding these problems, highlighting where further information is required.
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Wu, Wei, Qiao Qiao, Guangxu Cheng, Tinggang Pei, Yun Li, Hailong Yin, and Dongpeng Liu. "Erosion-Corrosion of a Carbon Steel Elbow in a Natural Gas Gathering Pipeline." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84262.

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A failed carbon steel elbow from a natural gas gathering pipeline in a gas field in Northeast China was investigated by macroscopic and microscopic examinations, chemical composition analysis, metallographic examination, and numerical simulation methods. The investigation results show that the intrados of the elbow was subject to slight general corrosion, while the extrados suffered from severe localized corrosion. The damage of the elbow resulted from an erosion-corrosion in the natural gas containing a few amount of corrosive impurities, liquid water, and solid particles. The impurities in the natural gas, specifically CO2 and chlorides, would be dissolved into water droplets in the natural gas. These corrosive droplets reacted with the pipe metal, resulting in typical CO2 corrosion of carbon steel pipe. Furthermore, the droplets and solid particles in the gas would destroy the protectiveness of the corrosion product film on the intrados by mechanical erosion, finally leading to the deterioration of the local environment and then the acceleration of corrosion failure. For controlling corrosion, some measures should be given. However, considering the difficulty of the increase in the curvature radius or the internal diameter of the pipeline, increasing wall thickness of the elbow pipe was a relatively feasible measure to mitigate the erosion-corrosion of the pipe.
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Panda, D., T. Lolla, R. Mokirala, and D. Metelsky. "Development of Sour Service Corrosion Resistant High Strength Steel Pipe Grades at TMK." In Offshore Technology Conference. Offshore Technology Conference, 2017. http://dx.doi.org/10.4043/27606-ms.

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Hussein, Husam H., Shad M. Sargand, Issam Khoury, and Fouad T. Al Rikabi. "Finite Element Investigation of Corrugated Steel Pipe with Extreme Corrosion under Shallow Cover." In Pipelines 2021. Reston, VA: American Society of Civil Engineers, 2021. http://dx.doi.org/10.1061/9780784483619.021.

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Hasmi, A. N., N. Nuraini, D. Wahyuningrum, N. Sumarti, and B. Bunjali. "Modelling on corrosion inhibitor kinetics in carbon steel pipe used in oil industry." In SYMPOSIUM ON BIOMATHEMATICS (SYMOMATH 2013). AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4866531.

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Besel, Michael, Steffen Zimmermann, Christoph Kalwa, Theo Ko¨ppe, and Andreas Liessem. "Corrosion Assessment Method Validation for High-Grade Line Pipe." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31664.

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The present paper deals with the pressure containment and deformation capacity of corroded high-grade steel line pipe. Firstly, some well established models are investigated concerning their predictive accuracy if applied to high-grade line pipe steel. In particular, it will be shown that all models under consideration tend to overestimate the remaining strength in the case of high-grade steel pipes. Afterwards, FE-analyses are performed in order to study the local evolution of plastic flow in the area of the corrosion defect; at the same time, the burst pressure is predicted applying von Mises plasticity and a simple failure criterion. Although different defect geometries are associated with well pronounced differences in the evolution of the plastic flow around the corrosion defect no significant effect on the burst pressure is found. Finally, the main results of a hydrostatic burst test performed on a pristine X100 line pipe joint are presented. It appears that the material under consideration seems to have anisotropic plastic material properties which may have effect on burst pressure.
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Rajan, Vaidyanath, Badri Narayanan, Michael Barrett, and Kevin Beardsley. "Stainless Steel Pipe Welding With No Backing Gas." In ASME 2020 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/pvp2020-21799.

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Abstract For pipe fabrication shops, stainless steel pipe welding typically represents 15%–20% of their business. The pipe materials fabricated in these shops are primarily austenitic stainless 304L and 316L pipe. The quality requirements in stainless pipe fabrication shops are determined by performance requirements for service applications in low temperature, high temperature or corrosive environments. To enable the performance required in these applications, codes, standards and recommended practices for welding are frequently written from a conventional GTAW or SMAW welding paradigm. In addition, for the root pass and the first fill pass made with GTAW, an inert backing gas is always recommended to minimize or eliminate the discoloration or oxidation on the ID surface of the pipe near the root pass. The use of GTAW with inert backing gas adds significant time, complexity and cost to the welding of stainless pipe. In stainless pipe shop fabrication, very few welding practices recognize or encourage the use of GMAW welding solutions for these applications, even though it is known to be a more productive and economical welding process. Moreover, the absence of a consistent and proven GMAW welding solution in terms of either no backing gas GMAW, alternative options for expensive shielding gases, implementing unique welding waveforms etc., proves to be a hindrance in the adoption of GMAW solutions for the welding of stainless pipe. In this paper, we discuss advances that have been made in producing acceptable stainless pipe welds with a 1G GMAW welding solution using an STT® waveform for the root pass and a unique “Rapid X™” waveform for fill passes with no use of backing gas. One goal of this project was to also find a shielding gas mixture to provide acceptable welds from root to cap that takes into account both welding process performance as well as fabrication of defect free welds. Six different shielding gas mixtures with varying amounts of Ar, He, CO2 and N2 were evaluated. Results indicate that STT/RAPID X™ welds made with 97%Ar/2%CO2/1%H2 provide very promising results in terms of weld appearance and other conventional metrics such as radiography, bends and tensile properties. However, assessment of the corrosion performance in comparison to welds made with conventional GTAW requires development of a better test protocol than the ASTM G48 Method A test for it to be relevant and meaningful.
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Sutherby, Robert, and Weixing Chen. "Deflected Stress Corrosion Cracks in the Pipeline Steel." In 2004 International Pipeline Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ipc2004-0600.

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This research reports a special case of stress corrosion cracks (SCC) in the pipeline steels that had propagated in the direction deviated from the pipe radial direction. It was characterized that the cracks were intergranular in nature with relatively wide crack crevice. Most of crack being characterized consisted of two segments: a crack segment near pipe surface that is normal to the axis of hoop stress, and the subsequent segment that is inclined to the axis of the hoop stress. The segment near the surface was usually less than 1.5 mm long, and the inclined one was up to 10 mm in length. The angle of the inclined segment was dominantly in the range of 30° to 60°. To understand the mechanisms related to the deflected crack growth, the microstructure of the pipeline steels was studied. It was found that The pipeline steel is characterized with a sandwich-like microstructure, for which it is harder at the surface (∼ 1.5 mm thick) and progressively softer towards the center of the wall. This particular structure might have caused a complex loading condition to the pipe wall material such that yielding of the soft material become possible, particularly when crack has propagated into the soft region of the pipe wall. As a result, corrosion attack may take place in a direction consistent with the maximum shear stress, and cracking preceded by the concurrent interaction between corrosion attack and mechanical damage.
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