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X80 Steel ScientificNet

X80 Steel Scientific.Net

Abstract The corrosion behavior of X80 pipeline steel with quinoline inhibitor in NACE solution (CO 2 environment) at different temperature/different pH/different inhibitor volume fraction was researched using electrochemical test methods.The results show that as the temperature increases from 30 X80 Steel ScientificNet#176;C to 50 X80 Steel ScientificNet#176;C,CO 2 corrosion of X80 pipeline steel becomes much severer and the inhibition Tempering microstructure and mechanical properties of The tempering microstructure and mechanical properties of X80 steel used for heating-bent pipe were analyzed.The results show that the microstructure of X80 steel tempered at 550 X80 Steel ScientificNet#176;C and 600 X80 Steel ScientificNet#176;C Study on Microstructure and Properties of X80 Pipeline SteelThe microstructure characteristic of martensite/austenite (M/A) islands of X80-1#,X80-2#,X100-3#,X100-4# steel pipelines come from different manufacturer were investigated by OM and SEM

Some results are removed in response to a notice of local law requirement.For more information,please see here.12345NextPhysical simulation as a tool to understand friction stir

Jan 01,2019 X80 Steel ScientificNet#0183;The X80 HSLA steel is fabricated by a thermomechanical controlled processes (TMCP) followed by accelerated cooling (ACC),which controls the austenite to ferrite transformation,providing high strength,high toughness and good weldability .The microstructure of HSLA steels is a matrix composed by ferrite and bainite .Previous123456NextInfluence of hydrogen on the microstructure and fracture Aug 30,2019 X80 Steel ScientificNet#0183;Plates of API 5L X80 pipeline steel of 450 mm X80 Steel ScientificNet#215; 95 mm x 9.5 mm were joined by FSW in the normal direction of the original plate rolling direction.The FSW tool made of polycrystalline cubic boron nitride reinforced with tungsten-rhenium (PCBN-WRe) had a probe of 9.5 mm and a shoulder diameter of 20 mm.Physical simulation as a tool to understand friction stir Jan 01,2019 X80 Steel ScientificNet#0183;The X80 HSLA steel is fabricated by a thermomechanical controlled processes (TMCP) followed by accelerated cooling (ACC),which controls the austenite to ferrite transformation,providing high strength,high toughness and good weldability .The microstructure of HSLA steels is a matrix composed by ferrite and bainite .

Performance Evaluation of Alternating Current Square

The melting efficiency and the heat consumption are presented as a mathematical model of welding parameters,namely welding current,welding speed,current frequency,and electrode negativity (EN) ratio.The proposed approach is demonstrated through the welding of 2.25Cr-1Mo heat-resistant steel performed over a wide range of welding parameters.Microstructure-texture related toughness anisotropy of API The dependence of Charpy toughness on the microstructure and texture of two industrial grades of API -X80 pipeline steel with a thickness of 15 and 17 mm,respectively,were studied in this work.Standard size Charpy samples with a long axis orientated at 0,22.5,45,67.5 and 90 degrees with respect to the rolling direction of the plate were tested at different temperatures varying from -196 Microstructural and Residuals Stress Analysis of Friction Aug 31,2019 X80 Steel ScientificNet#0183;Friction stir welding is a solid-state joining method conducted under large stress and strain conditions at low peak temperatures when compared to arc welding.Friction stir welding produces a large variety of microstructures and a M-shaped residual stress line profile along the cross-section of the welds.In this work,we present the use of magnetic Barkhausen noise to qualitatively assess

Metallurgical Aspects of Ultra Fast Cooling in front of

Dec 13,2016 X80 Steel ScientificNet#0183;The Ultra Fast Cooling technology developed by CRM has been implemented on the hot strip mill of Carlam (Arcelor group),just in front of the downcoilers (lateInvestigation of X80 line pipe steel fracture during This paper presents recent research results on AE monitoring of the fracture behavior of X80 line pipe steel,a critically important material for the oil and gas transportation industry.Fracture of this steel was studied using tensile testing of small scale specimens coupled withInvestigation of X80 line pipe steel fracture during This paper presents recent research results on AE monitoring of the fracture behavior of X80 line pipe steel,a critically important material for the oil and gas transportation industry.Fracture of this steel was studied using tensile testing of small scale specimens coupled with

Investigation of X80 line pipe steel fracture during

The acoustic emission (AE)monitoring technique is widely used in mechanical and materials research for detection of plastic deformation,fracture initiation and crack growth.However,the quantitative dependences of the AE signal parameters on material fracture parameters are not completely understood.This paper presents recent research results on AE monitoring of the fracture behavior of X80 Influence of hydrogen on the microstructure and fracture Aug 30,2019 X80 Steel ScientificNet#0183;Plates of API 5L X80 pipeline steel of 450 mm X80 Steel ScientificNet#215; 95 mm x 9.5 mm were joined by FSW in the normal direction of the original plate rolling direction.The FSW tool made of polycrystalline cubic boron nitride reinforced with tungsten-rhenium (PCBN-WRe) had a probe of 9.5 mm and a shoulder diameter of 20 mm.Influence of Texture on Impact Toughness of Ferritic Fe Besides the cleanliness of the steel production,other factors such as grain boundary segregation and the texture of the material [7,8,9] will affect the toughness of the ODS.Bearing in mind that the conventional production route involves hot-extrusion,the resulting microstructure in ferritic ODS steels presents a crystallographic texture

Hydrogen uptake by structural steels at cathodic

The promoting effect of SRB on the hydrogen uptake was concluded to be the result of the increase in polarization current due to the formation of the less protective layer of cathodic deposits on the steel surface,the presence of S 2 ions and the possible decrease in pH.Despite the similar tendencies,the effect of SRB on hydrogen uptake Hydrogen uptake by structural steels at cathodic The promoting effect of SRB on the hydrogen uptake was concluded to be the result of the increase in polarization current due to the formation of the less protective layer of cathodic deposits on the steel surface,the presence of S 2 ions and the possible decrease in pH.Despite the similar tendencies,the effect of SRB on hydrogen uptake Fracture toughness assessment at different temperatures Oct 01,2015 X80 Steel ScientificNet#0183;The X80 API-5L steel plates used for this study were fabricated using thermomechanical control process.The carbon and sulfur were analyzed separately with a dedicated fusioncombustion analyzer,while the other chemical elements were determined by using an

Fracture Toughness and Application of X80 Pipeline Steel

The fracture toughness of X80 pipeline steel,which has been widely used in China,plays a key role in pipeline safety insurance.In order to know the accurate fracture toughness of X80,the methods of acoustic emission and high K ratio have been carried out to judge the initiation of crack propagation and improve flatness of fatigue pre-crack front.Experimental characterization of hydrogen embrittlement in The API 5L X80 steel was more susceptible to the phenomenon due the deformation decrease of hydrogenated samples.In notched samples,both steels were susceptible toEffects of Multiphase Flow on Internal CO2 Corrosion of Jul 12,2012 X80 Steel ScientificNet#0183;Numerical and electrochemical analyses on carbon dioxide corrosion of X80 pipeline steel under different water film thicknesses in NACE solution.Journal of Natural Gas Science and Engineering 2017,37,199-216.DOI 10.1016/j.jngse.2016.11.047.Wei Li,

Effects of Cooling Processes on Microstructure Evolution

Effects of Cooling Processes on Microstructure Evolution of X80 Pipeline Steel X80 Steel ScientificNetlt;jats:p X80 Steel ScientificNetgt;With the development of pipeline industry,the pipeline steels with higher strength and plasticity,better low-temperature toughness and weldability are the main development trend.For bainitic pipeline steels,M/A constituent is the main hard phase.Effect of the HTP to X80 Ferrite Steel Structure and Abstract.Abstract.The structure and mechanical properties of pipeline steel X80 through HTP rolled into 16mm thick slab were tested.The results show that the yield strength of tested has reached above 600Mpa,and the ratio of tensile strength to yield strength is 0.86,and duetile brittle transition temperature is lower than-60 X80 Steel ScientificNet#176;C,and good strength and toughness are obtained.Effect of strain rate on stress corrosion cracking of X100 14 Y.Z.Jia,J.Q.Wang,E.H.Han,W.Ke Stress corrosion cracking of X80 pipeline steel in near-neutral pH environment under constant load tests with and without preload,Journal of Materials Science Technology 27 (2011),No.11,pp.10391046,10.1016/S1005-0302(11)60184-9

Effect of increased N content on microstructure and

Jan 10,2016 X80 Steel ScientificNet#0183;This result concurs with those reported ,for an X80 pipeline steel processed at various cooling rates or cooling interruption temperatures.Moreover,the Ar 3 increased to 554,574,and 585 X80 Steel ScientificNet#176;C,when the N content was raised to 80,120,and 165 ppm,respectively.Effect of Varying High Frequency - scientific.netHot induction bending is a process applied to tubes produced for the oil and gas industry,where bending temperatures above Ac3 can be reached.The base metal is submitted to two thermal cycles,one during welding,generating the heat affected zone (HAZ),and another during bending when this HAZ is reheated.Also,after the bending process is completed,heat treatment is required,which Effect of Impurities on the Corrosion Behavior of CO2 The corrosion property of carbon steel was evaluated using an autoclave under CO 2-saturated water phase and water-saturated CO 2 phase with impurities (O 2 and SO 2) at 80 bar CO 2 and 50 X80 Steel ScientificNet#176;C to simulate the condition of CO 2 transmission pipeline in the carbon capture and storage (CCS) applications.The results showed that the corrosion rate of carbon steel in CO 2-saturated water was

Dynamic fracture analysis of buried steel gas pipeline

Jan 01,2020 X80 Steel ScientificNet#0183;Based on the background of the second West-to-East Gas Transmission Line in China,X80 high-grade steel pipe is selected.The diameter of the pipeline is 1219 mm,the wall thickness is 18.425.6 mm,the total length of the pipeline is 5 m,and the maximum design pressure is 14 MPa .Dependence of Damage-Induced - scientific.netMetal magnetic memory (MMM) method is a novel,passive magnetic method for inspecting mechanical degradation of ferromagnetic components.In this paper,the correlation between plastic deformation and the deformation-induced magnetic field was experimentally investigated for the X80 steel.Various tensile plastic deformations are introduced into test pieces with different initial discontinuities.Corrosion Behaviors of X80 Pipeline Steel in Different The results showed uniform corrosion was happened on X80 steel in Shanshan and Hami simulated solution,and local corrosion was the main failure mode for X80 steel in Yumen simulated solution.

Corrosion Behavior of Carbon Steel in the CO2 Absorption

The present study provides comprehensive information on the effects of process parameter variations on the corrosion behavior of carbon steel in CO2 absorption systems using aqueous amine solutions.The process parameters of interest are amine type,concentration of the amine solutions,solution temperature,CO2 loading,and oxygen content.An electrochemical testing technique was used for Cited by 1Publish Year 2013Author Qiang Wan,Li Ming Wei,Zhen Kai Zhou,Yun Fei LiCorrosion Behaviors of X80 Pipeline Steel in Different The results showed uniform corrosion was happened on X80 steel in Shanshan and Hami simulated solution,and local corrosion was the main failure mode for X80 steel in Yumen simulated solution.Characterization of Passive Film Formed on X80 Pipeline The passive films formed on X80 and X70 pipeline steel in 0.5 mol Topics X80 pipeline steel,Passive film,Corrosion resistance

Author Hua Zhang,Hong Zhang,Cai Hong LuPublish Year 2019X80 Pipeline Steel Scientific.Net

Grains grow slowly below 1250 X80 Steel ScientificNet#176;C,and dramatically grow up as the temperature exceeds 1350 X80 Steel ScientificNet#176;C.The primary precipitates in X80 pipeline steel are TiN and NbC,TiN particles cannot absolutely dissolve in steel during holding for 2s at 1300 X80 Steel ScientificNet#176;C.Although TiN particles exist in steel,they cannot hinder grain growth of CGHAZ during welding process.Application of electron backscatter diffraction (EBSD) to Pressure vessel steel weld metals,obtained from fracture surfaces of Charpy impact test specimens fractured at various test temperatures and for an ultralow carbon steel (Fe0.002C0.058P) fractured at 196 X80 Steel ScientificNet#176;C by impact.An ANNbased failure pressure prediction method for buried Buried steel pipelines are recognized as a main choice for transporting natural liquid hydrocarbon fluids (ie,oil and gas) over long distance.1,2 In China,there have been more than 120 000 km long buried pipelines in services so far.3 And in recent decades,highstrength steel pipelines,that is,the X80 steel pipelines,are preferred by

A refined seismic analysis and design of buried pipeline

Xiaoben Liu,Hong Zhang,Yinshan Han,Mengying Xia,Wei Zheng,A semi-empirical model for peak strain prediction of buried X80 steel pipelines under compression and bending at strike-slip fault crossings,Journal of Natural Gas Science and Engineering,10.1016/j.jngse.2016.04.054,32,A refined seismic analysis and design of buried pipeline Xiaoben Liu,Hong Zhang,Yinshan Han,Mengying Xia,Wei Zheng,A semi-empirical model for peak strain prediction of buried X80 steel pipelines under compression and bending at strike-slip fault crossings,Journal of Natural Gas Science and Engineering,10.1016/j.jngse.2016.04.054,32,

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