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Microstructures and Mechanical Properties of X100 Pipeline Steel Strip
Journal of Iron and Steel Research International, 2014Abstract Dynamic CCT (continuous cooling transformation) curves and effects of microstructures and M/A islands of X100 hot rolled strip on mechanical properties were studied by means of a thermal simulator, a scanning electron microscope (SEM), a transmission electron microscope (TEM), a digital micro-hardness tester and Image-Pro Plus analysis ...
Lin-na Duan +4 more
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Effect of Vanadium Addition on Api X100 Linepipe Steel
2015This study is focused on the effect of vanadium addition to an API X100 steel. Laboratory heats were melted and control rolled based on a coil plate production process. Compared to non vanadium steel, it was found that 0.06% vanadium added steel had 8 to 14% higher yield and tensile strengths in all directions, while the toughness and ductility were ...
S. Nafisi +5 more
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The Underoil Droplet Corrosion Behavior of X100 Pipeline Steel
ECS Meeting Abstracts, 2018Canadian natural bitumen production will reach a peak of 112 million barrels per day in 2078 [1]. Pipelines are primarily used to transport this bitumen. Bitumen must be diluted in order to be pumped through a pipeline effectively because it is otherwise too viscous to flow [2].
Hongxing Liang +3 more
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Development of X100 Linepipe Steel With High Deformation Capacity
2008 7th International Pipeline Conference, Volume 3, 2008Recent linepipe steel is required to have enough deformation capacity through longitudinal direction at severe environments such as permafrost or seismic region, even though after anti-corrosion coating treatment in pipe. Under this background, the development of X100 linepipe steels with high strain aging resistance was tried.
Dong-Han Seo +3 more
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Static strain aging behavior of an X100 pipeline steel
Materials Science and Engineering: A, 2012Abstract The effect of static strain aging on the microstructure and mechanical properties of an industrially produced X100 pipeline steel was investigated. It was found that strain aging plays an important role in the tensile property and features of stress–strain curves, with the increase of either pre-strain or aging temperature, the strength ...
Wengui Zhao +3 more
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Reheating Treatment of X100 Bend Pipe Steel
Volume 6: Materials and Fabrication, Parts A and B, 2012Oil gas is the most clean fuel. Till 2020, the requirement of oil gas will increase 104%, but consumers are mainly live in developed cities, and oil and gas resources are located in ice field, hungriness, ocean and polar place. That is, the undeveloped resources are remote from the cities.
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Research on Hot Deformation Behavior of the X100 Pipeline Steel
Applied Mechanics and Materials, 2014The hot deformation of X100 pipeline steel was studied in the temperature range of 800~1200 °C and strain rate of 0.1~40s-1 on Gleeble-1500 thermal mechanical simulating tester. The effect of deformation conditions on the flow stress was analyzed. The constitutive equation of hyperbolic sine including Z parameter was used to describe the relationship ...
Wan Hua Yu +3 more
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Study on the Weldability of X100 Pipeline Steel on Scene
Advanced Materials Research, 2013With the long-distance oil and gas pipelines are to development of the direction of large-diameter, high-pressure, high grade pipeline steel applications gradually become the trend of the development of the oil and gas pipeline construction. The welding process of the X100 line pipe which is about to industrial application is not yet to be determined ...
Pin Yi Wang, Zong Yuan Mou
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Precipitation Behavior and Its Strengthening Effect of X100 Pipeline Steel
Journal of Iron and Steel Research International, 2010Abstract Using TEM (transmisson electron microscopy), electron diffraction, EDX (energy dispersive X-ray) analysis and physicochemical phase analysis, the morphology, crystal structure, size distribution and chemical composition of precipitates in the microstructure of high strength Nb-microalloyed X100 pipeline steel were investigated, and the ...
Tao Niu +4 more
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Analysis on Microstructure and Deformation Mechanics of X100 Linepipe Steel
29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 6, 2010In present paper, mechanical tests have been conducted on WT20.6mm×OD1016mm diameter Grade 690 linepipe. Microstructure is studied by means of OM, SEM, EBSD and TEM analysis. It is founded that the morphology of X100 steel consists mainly of fine acicular ferrite with little lath-shaped homogeneously distributed polygonal ferrite and very fine M/A ...
Yang Li +5 more
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