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Anisotropic Behaviors for X100 High Grade Pipeline Steel Under Stress Constraints
2017Because of the manufacture process of high grade pipeline steel, the anisotropic behaviors appeared in different directions, including both properties and microstructure. In this paper, mechanical properties and microstructures for X100 high grade pipeline steel were investigated with a series of tests, including not only experiments but also ...
Kun Yang +4 more
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Effect of coiling temperature on microstructure and properties of X100 pipeline steel
Materials Science and Engineering: A, 2016Abstract Multiphase structure of bainite and M/A(martensite/austenite constituent) can be obtained through coiling continuous-HOP (Heating On-line Partitioning) technology, resulting in excellent deformability for X100 pipeline steel. The microstructure and properties of the steel at different coiling temperatures were investigated by means of ...
Shixia Cheng +5 more
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Effects of Chloride and Carbonate on Corrosion of API-X100 Pipeline Steel
Journal of Materials Engineering and Performance, 2019Effects of chloride, introduced with 0.03, 0.05, 0.10, 0.12, 0.22, 0.25 M, on the corrosion behavior of API-X100 pipeline steel in 0.15 M carbonate solutions were studied. The evaluations were carried out with monitoring the open-circuit potentials and electrochemical impedance spectroscopy (EIS).
Faysal Fayez Eliyan, Hatem M. Alsyouri
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Study on the Toughness of X100 Pipeline Steel Heat Affected Zone
2014Microstructure-property correlation of heat affected zone (HAZ) in X100 longitudinal submerged arc welding (LSAW) real weld joint was studied in this paper. Coarse grained (CG) HAZ and intercritically reheated coarse grained (ICCG) HAZ were characterized by optical microscope (OM), electron backscattered diffraction (EBSD).
Xueda Li +3 more
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Effect of Prestrain and Aging on Mechanical Properties of X100 Pipeline Steels
ICPTT 2013, 2013Harsh environments that may displace a given pipeline beyond the elastic limit include: seismic areas (that may be susceptible to soil liquefaction, fault displacement or soil instabilities), continuous or discontinuous permafrost (that may result in thaw settlement and frost heave), and construction.
Weiwei Zhang +4 more
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The Fracture Arrest Behaviour of 914 mm Diameter X100 Grade Steel Pipelines
2004 International Pipeline Conference, Volumes 1, 2, and 3, 2004The drive to reduce the installed cost of high-capacity long-distance pipelines has focused attention on increasing the strength of the pipe material, in order to reduce the tonnage of material purchased, transportation and welding costs. In parallel with developments in plate rolling and pipe fabrication, the properties and performance of prototype ...
Robert M. Andrews +3 more
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Evaluation of environment-assisted cracking susceptibility of a grade X100 pipeline steel
Corrosion Science, 2012Abstract Susceptibility of as-received grade X100 steel was compared to that of simulated and seam-weld heat-affected zone microstructures by slow strain rate testing in a sodium hydrogen carbonate–sodium carbonate solution at 75 °C over a potential range of −500 to −1100 mV vs. standard calomel electrode (sce).
Mustapha A, Charles EA, Hardie D
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Correlation of initiation of corrosion pits and metallurgical features of X100 pipeline steel
Canadian Metallurgical Quarterly, 2013AbstractIn this work, corrosion pits initiated on X100 pipeline steel and their correlation with the metallurgical features of the steel were characterised by scanning electron microscopy and energy dispersive X-ray spectroscopy. It was found that pits are always associated with various inclusions.
X Y Peng +3 more
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Mechanical Properties of the Heat Affected Zone of an X100 Grade Pipeline Steel
Materials Science Forum, 2013The microstructure and mechanical properties of an X100 grade pipeline steel were investigated by the thermal simulation tests performed on a Gleeble-3500 thermal simulator. The results show that the steel has excellent weldability. Even if the weld heat input gets 40 kJ mm-1, the low impact toughness energy in welding coarse grain heat affected zone ...
Gui Ying Qiao +6 more
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Internal localized corrosion of X100 pipeline steel under simulated flow conditions
Journal of Electroanalytical Chemistry, 2023Qiuli Zhang +5 more
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