Results 71 to 80 of about 468 (174)

Structure and Mechanical Properties of Linepipe Steel X80

Teshugang, 2006
The  structure,strength  and  impact  toughness  of  linepipe  steel  X80-0.04C,1.87Mn,0.27Mo,0.06Nb,  0.006V,0.017Ti were tested and compared with linepipe steel X70.The exarination results showed that as structure of the linepipe  steel X80 was ...
张小立, 冯耀荣, 赵文轸, 霍春勇, 庄传晶, 吉玲康, 孟强   +6 more
doaj  

Research on Precipitate Behavior during Holding Process of X80 Pipeline Steel

MATEC Web of Conferences, 2016
PTT (Precipitate-Temperature-Time) curve of X80 pipeline steel was obtained by strain relaxation method. The evolution of precipitate particle size during holding process was simulated combined with kinetic calculation, and observed using TEM in the ...
Niu Tao, An Chenggang, Jiang Yongwen, Wu Xinlang, Zhang Caixia, Yu Chen, Dai Xiaoli   +6 more
doaj   +1 more source

Evaluation the Effect of Velocity and Temperature on the Corrosion Rate of Crude Oil Pipeline in the Presence of CO2/H2S Dissolved Gases

Iraqi Journal of Chemical and Petroleum Engineering, 2019
In this paper investigate the influences of dissolved CO2/H2S gases, crude oil velocity and temperature on the rate of corrosion of crude oil transmission pipelines of Maysan oil fields southern Iraq.
Haider Hadi Jasim
doaj   +1 more source

Physical simulation as a tool to understand friction stir processed X80 pipeline steel plate complex microstructures

Journal of Materials Research and Technology, 2019
The thermal cycles associated to friction stir welding and processing produce a wide range of microstructures, resulting in different mechanical behaviors along the weld.
Julian Avila, Julian Escobar, Barbara Cunha, William Magalhães, Paulo Mei, Johnnatan Rodriguez, Haroldo Pinto, Antonio Ramirez   +7 more
doaj   +1 more source

Effect of Nb Content and Second Heat Cycle Peak Temperatures on Toughness of X80 Pipeline Steel. [PDF]

Materials (Basel), 2023
Chen Y, Yang Y, He X, Chi Q, Qi L, Li W, Li X.   +6 more
europepmc   +1 more source

Mechanical property degradation of X80 pipeline steel due to microbiologically influenced corrosion caused by Desulfovibrio vulgaris. [PDF]

Front Bioeng Biotechnol, 2022
Li Z, Yang J, Guo H, Kumseranee S, Punpruk S, Mohamed ME, Saleh MA, Gu T.   +7 more
europepmc   +1 more source

Quantitative Study on Hydrogen Concentration–Hydrogen Embrittlement Sensitivity of X80 Pipeline Steel Based on Hydrogen Permeation Kinetics

Metals
The hydrogen concentration in steel is directly related to the hydrogen embrittlement (HE) sensitivity of the steel. This study combined electrochemical hydrogen charging, the slow strain rate test (SSRT), and hydrogen permeation experiments to ...
Rundong Zhang, Songyuan Ai, Mujun Long, Lihua Wan, Yifan Li, Danbin Jia, Huamei Duan, Dengfu Chen   +7 more
doaj   +1 more source

Effect of H₂S Corrosion on the Fracture Toughness of the X80 Pipeline Steel Welded Joint. [PDF]

Materials (Basel), 2022
Wang X, Wang D, Deng C, Li C.
europepmc   +1 more source

Effect of Post-Weld Heat Treatment on Microstructure and Fracture Toughness of X80 Pipeline Steel Welded Joint. [PDF]

Materials (Basel), 2022
Wang X, Wang D, Dai L, Deng C, Li C, Wang Y, Shen K.   +6 more
europepmc   +1 more source

Experimental Investigation on Corrosion Behavior of X80 Pipeline Steel under Carbon Dioxide Aqueous Conditions. [PDF]

ACS Omega, 2022
Chen J, Wang X, Ma H, Huo Z, Wang Y.
europepmc   +1 more source