Results 171 to 180 of about 453 (191)
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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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Welding with High Power Fiber Laser API5L-X100 Pipeline Steel
Materials Science Forum, 2010The increasing length of oil and gas transportation pipelines, associated with their construction and operating costs, has lead to the development of new steel grades with higher performance. The API 5L- X100 is a new high strength steel for pipeline applications which enables the use of thinner walled pipes, lighter to transport and easier to handle ...
R.M. Miranda +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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CTOA Results for X65 and X100 Pipeline Steels: Influence of Displacement Rate
2008 7th International Pipeline Conference, Volume 3, 2008The toughness and plasticity of steel generally decreases with increasing testing rate. The crack tip opening angle (CTOA) was measured on two types of commercial pipeline steels API-X65 and API-X100, at a range of displacement rates to characterize rate effects. The testing was conducted at quasi-static and dynamic rates.
R. Reuven +9 more
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Assessment of Tensile Strain Capacity in X70 and X100 Pipeline Steels
This thesis examines the Tensile Strain Capacities (TSCs) of API 5L steel pipelines, focusing on X70 and X100 grades. It evaluates X70 base metal pipelines with internal or external semi-elliptical cracks and extends to X70 and X100 girth weld pipes ...
Yu, Xinping
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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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Physical Simulation on Microstructure and Properties for Weld HAZ of X100 Pipeline Steel
Materials Science Forum, 2013In this paper, the simulation heat affected zone (HAZ) continuous cooling transformation (SH-CCT) diagram of X100 pipeline steel was drew by using Gleeble 3500-HS thermal/mechanics simulation test machine, and the microstructure and properties of the HAZ of single-pass/double-pass welding were simulated and studied.
Yu Liu +4 more
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Internal localized corrosion of X100 pipeline steel under simulated flow conditions
Journal of Electroanalytical Chemistry, 2023Qiuli Zhang, Jiahui Liu
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Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2022
Xiaonan Qi +2 more
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Xiaonan Qi +2 more
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