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Stress Triaxial Constraint and Fracture Toughness Properties of X90 Pipeline Steel
Metals, 2022 The X90 pipeline steel with high-strength and high-toughness become the most popular pipeline steel. Due to the stress triaxial constraint and fracture toughness properties are the key factors for the stable work of pipeline steel, the research on the ...
Peng Wang +5 more
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Natural Gas Industry B, 2019 X90 pipeline steel is a new generation of pipeline steel developed after X80 and X100 pipeline steels, and it is now a new research hotspot at home. In order to thoroughly study the effect of applied potential on the soil stress corrosion cracking (SCC ...
Jinheng Luo +5 more
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Metals, 2016 The relationship between microstructure and tensile properties of an Nb–Ti microalloyed X90 pipeline steel was studied as a function of finish rolling temperature using a Gleeble 3500 simulator, an optical and scanning electron microscope, electron back ...
Bin Guo +5 more
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Comparative analysis of dynamic strength and impact toughness of pipe steels [PDF]
EPJ Web of Conferences, 2021 To study the dynamic strength of pipe steels, a cycle of dynamic tests of three grades of pipeline steels (X80, X90, and X100) was performed, which included three types of experiments based on the Kolsky method: uniaxial tension of smooth specimens, as ...
Bragov Anatoly +3 more
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Development of X90 submerged-arc helical welded pipe with diameter of 1 524 mm
You-qi chuyun, 2020 The use of high pressure, large diameter and high steel grade pipelines for long-distance natural gas transportation have become an important development tendency in the pipeline industry. The application of X90 pipeline steel pipe can raise the pipeline
Yun LIU +4 more
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International Journal of Electrochemical Science, 2020 This paper studies the welding of X90 pipeline steel with ER100S-G welding wire via laser-metal active gas arc (laser-MAG) hybrid welding and explores the effects of three wire feeding speeds (8.5 mm/s, 9 mm/s, and 9.5 mm/s) on the microstructure ...
Mei Yang +5 more
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Metals, 2016 X90 pipeline steel was processed with the simulated coarse grain heat affect zone (CGHAZ) thermal cycle with heat input varying from 30 kJ/cm to 60 kJ/cm, the microstructures were investigated by means of optical microscope (OM), scanning electron ...
Bin Guo +5 more
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Artificial neural network modelling of cold‐crack resistance of high strength low alloy steel 950A
The Journal of Engineering, Volume 2019, Issue 2, Page 447-454, February 2019., 2019 The objective of the study is to predict the cold cracking resistance of high strength low alloy 950A welded joints using an artificial neural network (ANN) model. A bead on plate welding is carried out using the gas metal arc welding process. The identified process parameters for the ANN are preheating temperature, oxide particle content, and heat ...
Velumani Manivelmuralidaran +1 more
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Synergistic effect of Cl− and HCO3− on the corrosion of X90 pipeline steel in an alkaline soil environment [PDF]
AIP AdvancesThis study systematically investigates the corrosion behavior of X90 pipeline steel in simulated alkaline soil solution (pH = 9.0) by combining electrochemical techniques and acoustic emission monitoring.
Yuxiang Li +9 more
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Advances in Materials Science and Engineering, Volume 2018, Issue 1, 2018., 2018 In the oil and gas transportation system over long distance, application of high‐strength pipeline steels can efficiently reduce construction and operation cost by increasing operational pressure and reducing the pipe wall thickness. Failure assessment is an important issue in the design, construction, and maintenance of the pipelines.
X. Liu +5 more
wiley +1 more source