Results 61 to 70 of about 1,131,653 (157)

Technical insights into the long-term integrity and sustainability of China-Russia Eastern Gas Pipeline

open access: yesYou-qi chuyun, 2020
This work developed technical insights into the maintenance of integrity, safety and sustainability of the newly operated China-Russia Eastern Gas Pipeline, and beyond.
Frank CHENG
doaj   +1 more source

Investigate on the Properties of X80 Pipeline Steel Damaged by High Temperature [PDF]

open access: yes, 2015
Remanufacturing engineering is an effective way to solve the waste of resource and the refurbishment of waste equipment. Laser remanufacturing technology mainly utilizes the laser cladding to repair the components and parts which were damaged or scrapped
Zhang, J.C., Ling, X., Lu, S.H.
core   +1 more source

Effect of Glutaraldehyde on Corrosion of X80 Pipeline Steel

open access: yes, 2021
Glutaraldehyde (GA) is widely employed as a biocide to control microbiologically influenced corrosion in oil fields and industrial water treatment. It might be corrosive to metal.
Feng Tian, Lin Pan
core   +1 more source

Experimental Study on Dephosphorization of X80 Pipeline Steel by Duplex Steelmaking Technology for Combined Blowing Converter

open access: yesTeshugang, 2023
Combined with the actual situation of X80 pipeline steel production in a factory, the dephosphorization process of combined blowing converter duplex process was tested, and the influence of basicity and oxidizability of converter slag on ...
赵斌   +5 more
doaj  

Corrosion Behavior of X65 and X80 Pipeline Steels under AC Interference Condition in High pH Solution

open access: yesInternational Journal of Electrochemical Science, 2018
The corrosion behavior of X65 and X80 pipeline steels under AC interference in high pH solution was investigated by potentiodynamic polarization curve, open circuit potential, Mott-Schottky curve and immersion test.
Min Zhu   +3 more
doaj   +1 more source

A Study of Impact Toughness of Intercritically Reheated Coarse-grain Heat Effected Zone of Two Type X80 Grade Pipeline Steel [PDF]

open access: yes
The impact toughness of intercritically reheated coarse-gain heat-effected zone (ICCGHAZ) of ordinary X80 pipeline steel and X80 pipeline steel with excellent deformability with (Bainite +Ferrite) dual-phase microstructure was studied by means of thermal
Zhang, Xiaoyong, Gao, Huilin
core   +2 more sources

Characterization of Mechanical Properties of Pipeline Steel Based on Small Punch Tests with Thin Specimens

open access: yesShiyou jixie, 2023
To solve the problem that conventional testing methods cannot accurately characterize the mechanical property of materials in local areas of high-steel-grade pipelines,the empirical correlation method for characterizing the mechanical properties through ...
Fang Yingchao   +4 more
doaj  

Structure and Mechanical Properties of Linepipe Steel X80

open access: yesTeshugang, 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   +6 more
doaj  

Research on Precipitate Behavior during Holding Process of X80 Pipeline Steel

open access: yesMATEC 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   +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

open access: yesIraqi 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

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