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Microstructure and Mechanical Properties of X70 Pipeline

A comprehensive study on the microstructure and

Feb 18, 2020The thermal cycles that high strength low alloy and carbon API X70 steel experience during welding inevitably affect microstructure and mechanical properties of the MMA and MAG welded joints. It is generally agreed that the adopted welding filler materials influence on mechanical properties of weld metals.(pipe) Applying of Heat Treatments to Improve the Properties of Microstructure and Mechanical Properties of X70 Pipeline (steel) This work, presents some heat treatments were used to improve the microstructure in different zones of the API X70 welded pipeline steel. In this study a shielded metal arc welding (SMAW) process has been realized.. Scanning electron microscopy and X-ray diffraction have been used as characterization techniques to observe the WM microstructures, in addition hardness are also measured.(pipe) Author Gang Wu, Peng Zhang, Jin Heng Luo, Li Feng Li, Guang Da Xu, Li Xia ZhuPublish Year 2020Microstructural analysis and mechanical behavior of the Microstructure and Mechanical Properties of X70 Pipeline (steel) X70 (steel A) and X80 (steel B) pipeline steels were fabricated by ultra fast cooling (UFC). UFC processing improves not only ultimate tensile strength (UTS), yield strength (YS), yield ratio (YS/UTS), and total elongation of both steels, but also their Charpy absorbed energy ( A K ) as well. The microstructures of both steels were all composed of quasi polygonal, acicular ferrite (AF), and Microstructure and Mechanical Properties of X70 Pipeline

Author M. St. Wglowski, S. Dymek, M. Kopyciaski, J. Niagaj, J. Rykaa, W. De Waele, S. HerteléPublish Year 2020metals-09-00590.pdf - metals Review Effects of Different Microstructure and Mechanical Properties of X70 Pipeline

Mechanical properties of API X60, X65, X70, X80 and L360NS pipeline steels [8 10]. Pipeline Steel Yield Strength (MPa) Tensile Strength (MPa) Elongation (%) X60 520 610 33 X65 568 650 32 X70 615 720 29 X80 640 780 25 L360NS 380 510 41 The microstructure of API X60 and X70 pipeline steels has been mainly composed of polygonal and acicular Microstructure and Mechanical Properties of X70 Pipeline (pipe) Author Yu Liu, Yezheng Li, Shuo Li, Zongbin You, Zhanghua YinPublish Year 2016Mechanical properties and microstructure of longitudinal Microstructure and Mechanical Properties of X70 Pipeline (steel) Apr 15, 2020Mechanical properties and microstructure of longitudinal submerged arc welded joint of a new CMn steel sheet cladding fine grained ferrite in surface layer for a long distance transport pipeline J W Fan 1,2 , J Luo 1,4 , J J Gao 1 , F H Bo 3 , Q Ren 3 , H X Lin 1 and H B Geng 1(pipe) Cited by 130Publish Year 2013Author Ayesha J. Haq, K. Muzaka, D.P. Dunne, A. Calka, E.V. PerelomaThe Influence of Centerline Segregation on the Mechanical Microstructure and Mechanical Properties of X70 Pipeline (steel) According to the severity of centerline segregation of the slab, it affects the mechanical properties and final microstructure of rolled strip. The objective of this paper is to study the influence of centerline segregation degree on the microstructure and mechanical properties of X70 pipeline steels.

Cited by 15Publish Year 2015Author Xin-Jie Di, Lin Cai, Xi-Xue Xing, Cui-Xin Chen, Zhen-Kui XueMicrostructure, texture evolution and mechanical Microstructure and Mechanical Properties of X70 Pipeline

Aug 04, 2017The finish rolling temperature play a key role in the development of the microstructure and influenced mechanical properties of API ×70 steel. It was found that after accelerated cooling, the fast cooling rate and low temperature interruption allows the formation of more bainite which in turn increased the tensile strength of the steel.(pipe) Cited by 15Publish Year 2017Author Liangyun Lan, Zhiyuan Chang, Xiangwei Kong, Chunlin Qiu, Dewen ZhaoMicrostructure and Mechanical Properties of Girth Weld HAZ Microstructure and Mechanical Properties of X70 Pipeline (steel) Nov 10, 2016Liu, Y, Li, Y, Li, S, You, Z, & Yin, Z. "Microstructure and Mechanical Properties of Girth Weld HAZ in X80 Line Pipe With High Deformability for Strain Based Design Applications." Proceedings of the 2016 11th International Pipeline Conference. Volume 3 Operations, Monitoring and Maintenance; Materials and Joining. Calgary, Alberta, Canada.(pipe) Cited by 16Publish Year 2017Author J.I. Omale, E.G. Ohaeri, A.A. Tiamiyu, M. Eskandari, K.M. Mostafijur, J.A. SzpunarEvaluation of Microstructure and Mechanical Properties (steel) mechanical properties of the seamless steel pipe, mainly its fracture toughness and its fatigue crack growth resistance. 2. Materials and Experimental Procedures The steel studied was manufactured by the company Vallourec & Sumitomo Tubos do Brasil (VSB) and was provided as seamless steel pipe with nominal outside diameter

Cited by 16Publish Year 2017Author J.I. Omale, E.G. Ohaeri, A.A. Tiamiyu, M. Eskandari, K.M. Mostafijur, J.A. SzpunarMechanical properties, microstructure and toughness Microstructure and Mechanical Properties of X70 Pipeline

Request PDF Mechanical properties, microstructure and toughness assessment of a X70 pipeline steel This study was performed to fully characterize the microstructure, texture and mechanical Microstructure and Mechanical Properties of X70 Pipeline (pipe) Cited by 1Publish Year 2012Author Zhan Zhan Zhang, Xiu Rong Zuo, Yue Yue Hu, Ru Tao Li, Zhi Ming ZhangMechanical property-microstructure relationships of an X70 Microstructure and Mechanical Properties of X70 Pipeline (steel) Nov 04, 2020Mechanical property-microstructure relationships of an X70 pipeline steel were evaluated at temperatures up to 400 °C using tensile testing, scanning and transmission electron microscopy, and synchrotron wide-angle X-ray scattering characterization techniques.(pipe) Cited by 1Publish Year 2013Author Qingyun Sha, Dahang LiMicrostructure and Mechanical Properties of Two Api (steel) showed a banded microstructure consisting of polygonal ferrite and pearlite in both steels, with smaller grain size and the presence of a small quantity of bainite in the X70 steel. All the mechanical tests revealed a ductile behavior for the two steels. The X70 steel is preferable for the pipeline project, due

Cited by 1Publish Year 2015Author Jing Li, Xiu Hua Gao, Yong Lu, Lin Xiu DuMicrostructure and Mechanical Properties Analysis of X70 Microstructure and Mechanical Properties of X70 Pipeline

Microstructure and mechanical properties of X70 pipeline steel with polygonal ferrite plus granular bainite were characterized using tensile tests, Charpy V-notch impact tests, drop weight tear tests, hardness tests and scanning electron microscopy.(pipe) Cited by 1Publish Year 2020Author T.R. Jacobs, T.R. Jacobs, K.O. Findley, J. Klemm-Toole, D.K. MatlockEffect of microstructure on mechanical properties of X70 Microstructure and Mechanical Properties of X70 Pipeline (steel) Download Citation Effect of microstructure on mechanical properties of X70 pipeline steels Microstructure and mechanical properties of two kinds of industrial X70 grade pipeline steels were Microstructure and Mechanical Properties of X70 Pipeline (pipe) Cited by 23Publish Year 2015Author Yong Tian, Qun Li, Zhao-dong Wang, Guo-dong WangMicrostructure and Mechanical Properties of Intercritical Microstructure and Mechanical Properties of X70 Pipeline (steel) Abstract The intercritical heat-affected zone (ICHAZ) of X80 pipeline steel was simulated by using the Gleeble-3500 thermal/mechanical simulator according to the thermal cycle of in-service welding. The microstructures of ICHAZ with different cooling rates were examined, and the hardness, the toughness and corresponding fractography were investigated.

Cited by 2Publish Year 2020Author G. M.Xie, R. H. Duan, P. Xue, Z. Y. Ma, H. L. Liu, Z. A. LuoMicrostructure and Mechanical Properties of Intercritical Microstructure and Mechanical Properties of X70 Pipeline

May 05, 2015The intercritical heat-affected zone (ICHAZ) of X80 pipeline steel was simulated by using the Gleeble-3500 thermal/mechanical simulator according to the thermal cycle of in-service welding. The microstructures of ICHAZ with different cooling rates were examined, and the hardness, the toughness and corresponding fractography were investigated.(pipe) Cited by 6Publish Year 2018Author Fujian Guo, Xuelin Wang, Wenle Liu, Chengjia Shang, R. D. K. Misra, Hua Wang, Tan Zhao, Chunlin PengCorrelation of Microstructure and Fracture Properties of Microstructure and Mechanical Properties of X70 Pipeline (steel) Microstructures of the X70 grade steel are very compli- cated, but can be divided into polygonal ferrite (PF), quasi- polygonal ferrite (QPF), Widmanst tten ferrite (WF), acicular(pipe) Effect of Hot Rolled Process on Microstructure and Microstructure and Mechanical Properties of X70 Pipeline (steel) Home Browse by Title Proceedings ICECE '10 Effect of Hot Rolled Process on Microstructure and Properties of X70 Pipeline Steel. Article . Effect of Hot Rolled Process on Microstructure and Properties of X70 Pipeline Steel. Share on. Authors Yun-li Feng. View Profile,

Effect of microstructure and composition on hydrogen Microstructure and Mechanical Properties of X70 Pipeline

Feb 19, 2013X70 pipeline steels are widely used to transport petroleum and natural gas. The service life of pipeline steels is affected not only by the fluid or gas which they transfer, but also by the environmental conditions under which they operate. One of the main reasons for the degradation in mechanical properties of steels is the exposure to hydrogen.(pipe) Mechanical Response and Performance Relationship of X70 Microstructure and Mechanical Properties of X70 Pipeline (steel) With the development of the natural gas industry, high flux natural gas pipelines will cause local deformation because of pressurization, which has an important effect in the service safety of pipeline materials. In this paper, the X70 pipeline steel with weld zone was studied, and the tensile test was used to simulate the uniaxial tensile stress. The results showed that the strain was mainly concentrated in (pipe) Mechanical, microstructure and texture characterization of Microstructure and Mechanical Properties of X70 Pipeline (steel) This study was performed to fully characterize the microstructure, texture and mechanical properties of API X70 steel in terms of tensile and compressive responses and toughness.

Microstructure and Mechanical Proper

x70 pipe specificationswelding procedures for x70 pipeapi 5l x70 pipe specificationsapi 5l x70 pipe propertiesapi 5l x70 pipe schedule1.5 inch steel pipe36 steel pipe5 metal pipe(pipe) Microstructure and Mechanical Properties of X80 HTP Microstructure and Mechanical Properties of X70 Pipeline (steel) Microstructure and Mechanical Properties of X80 HTP Pipeline Steel Produced by Steckel Mill Microstructure and Mechanical Properties of X70 Pipeline (pipe) Microstructure and Mechanical Properties of X80 Pipeline Microstructure and Mechanical Properties of X70 Pipeline (steel) Abstract X80 pipeline steel plates were friction stir welded (FSW) under air, water, liquid CO 2 + water, and liquid CO 2 cooling conditions, producing defect-free welds. The microstructural evolution and mechanical properties of these FSW joints were studied.

Microstructure and Properties of Low Manganese API X70 Microstructure and Mechanical Properties of X70 Pipeline

The microstructure of thermomechanically processed X70 pipeline steel primarily consisted of acicular ferrite (AF) together with small fraction of polygonal ferrite(PF), degenerated pearlite (DP) and martensite/austenite (M/A) constituent. The AF predominant microstructure is fine, homogeneous and free of band structure of hard phase.(pipe) Microstructure, texture evolution and mechanical Microstructure and Mechanical Properties of X70 Pipeline (steel) The evolution of microstructure, texture and mechanical properties of API X70 pipeline steel after different thermomechanical treatments has been studied using a combination of X-ray diffraction and electron backscatter diffraction (EBSD).(pipe) On the relation of microstructure and impact toughness Microstructure and Mechanical Properties of X70 Pipeline (steel) Jan 22, 2009In this research, mechanical characteristics of double submerged arcwelded line pipe steel of grade API X70 (70 ksi yield strength) were investigated. Different experimental examinations including chemical analysis, microstructural investigation, microhardness, tensile and Charpy tests and standard fractography were carried out on different Microstructure and Mechanical Properties of X70 Pipeline

Phase transformation, microstructure, and mechanical Microstructure and Mechanical Properties of X70 Pipeline

Oct 07, 2016This work described the manufacture of hot rolled X100 pipeline steels at the laboratory based on thermomechanically controlled processing (TMCP) and high-temperature processing (HTP) concepts. Continuous cooling phase transformation was assessed by dilatometric tests for both steels. Microstructures were characterized using optical and electron microscopes to elaborate the evolution (pipe)MicrostructureandmechanicalpropertiesofX70pipelinesteel with polygonal ferrite plus granular bainite were characterized using tensile tests, Charpy V-notch impact tests, drop weight tear tests, hardness tests and scanning electron microscopy.Author: Zhan Zhan Zhang, Xiu Rong Zuo, Yue Yue Hu, Ru Tao Li, Zhi Ming ZhangCited by: 1Publish Year: 2012Microstructure and Mechanical Properties Analysis of X70 Microstructure and Mechanical Properties of X70 Pipeline (steel) Was this helpful?Microstructure and Mechanical Properties of X70 Pipeline Microstructure and Mechanical Properties of X70 Pipeline (steel) The microstructure of X70 pipeline steel was studied by the analysis of OM, SEM and TEM. The precipitation behavior was discussed. The comprehensive mechanical properties, HIC and SCC performance were systematically studied. The results indicated that the microstructure of the experimental steel was mainly acicular ferrite and granular bainite.

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