carrying out a research using x65 steel

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Preferential weld corrosion of X65 pipeline steel in ...

The aim of this research was to investigate the influence of metallurgy on the corrosion behaviour of separate weld zone (WZ) and parent plate (PP) regions of X65 pipeline steel in a solution of ...

Author Khaled Alawadhi, M. J. Robinson

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Fatigue behaviour of corrosion pits in X65 steel pipelines ...

Request PDF on ResearchGate Fatigue behaviour of corrosion pits in X65 steel pipelines Corrosion pits are a form of geometrical discontinuity that lead to stress and strain concentration in ...

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Corrosion behavior of carbon steel API 5L X65 exposed …

tests were performed using working electrodes of API 5L X65 steel immerged in static reactor filled with 800 mL of fresh ... The cleaned electrodes were weighed before carrying out the assays and then immersed in the seawater. ... International Journal of Engineering and Technical Research (IJETR) ISSN 2321-0869 (O) 2454-4698 (P) Volume-7 ...

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Plastic deformation and fracture behavior of X65 pipeline ...

Mar 15, 2018 · For pipeline steel grade X65, ... Additionally, the SEM with energy dispersive X-ray spectroscopy (EDX) technique was carried out for the steel in order to identify the type of existent inclusions. From the EDX results, ... predicted the fracture resistance of pipeline steel by using the simulation coupled with the GTN model.

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MACHINE VISION IMPLEMENTATION FOR OFF-LINE …

Machine vision implementation for off-line measurement […] in API X65 pipeline steel 139 ... In this research, SAW was carried out on 50 steel plates of grade API X65 under different welding conditions. To do so, steel plates with a width of 100mm, ... Machine vision implementation for off-line measurement […] in API X65 pipeline steel 141

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The Influence of Hydrodynamics on the Preferential Weld ...

EXPERIMENTAL PROCEDURE Experimental Procedure All tests were carried out on samples machined from welded X65 steel pipe with the composition shown in Table 1. The steel had been thermo-mechanically controlled rolled to give a 32mm thickness. Submerged-Arc Welding process was used to weld a double-vee joint preparation.

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Hydrogen diffusion into three metallurgical ...

Aug 22, 2014 · Hydrogen diffusion into three metallurgical microstructures of a C–Mn X65 and low alloy F22 sour service steel pipelines ... In the same research, hot rolled steels of recent production showed much lower diffusivities ... Permeation tests were carried out on C–Mn micro-alloyed X65 steel and low alloy 2.25 Cr 1 Mo steel samples which have ...

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Preferential Weld Corrosion-2011 - COnnecting …

preferential weld corrosion when those weld consumables had been used. ... All tests were carried out on samples machined from welded X65 steel pipe with the ... measured by uncoupling each electrode of the RCE in turn and carrying out linear polarisation resistance measurements (LPR) using a platinum gauze secondary ...

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C2012-0001322

corrosion product layers were analyzed by using surface analytical techniques (SEM, EDS, ... pipelines manufactured from high strength steel X65 and X70. 4 Due to high pressures, the CO 2 ... system for carrying out in -situ measurements of conductivity and steel corrosion in supercritical CO. 2.

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Complying with NACE Hardness Requirements - TWI

It is carried out in accordance with the ASME IX requirements using actual production material or a steel of the same grade but with the maximum carbon equivalent of material to be used. The welding variables are recorded during welding of the test piece and hardness testing is mandatory, the hardness of the test weld HAZ to be less than ...

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The effect of low H2S concentrations on welded steels ...

The Effect of Low H2S Concentrations on Welded Steels ; The effect of low H2S concentrations on welded steels (March 2000) ... and had a very low carbon content (0.05%). Steel 1B2996 was an X65 grade pipe, similar to the preceding pipe steels, with the exception that it did not contain a detectable level of Nb. ... Mike Bennett and Glyn Hall ...

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Mechanical properties of wire plus arc additive ...

Jul 31, 2019 · This paper will examine the use of a robotic gas metal arc welding system to build test structures in the 0.5 m, 20 kg range from low carbon steel and stainless steel, using the wire plus arc additive manufacturing technique.

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Finite element analysis of the integrity of an API X65 ...

The chemical composition and tensile properties of the API X65 and the material properties of the pipeline, patch, and adhesive are summarized in Tables 1 and 2, respectively. SC Table 1 Chemical compositions of the steel API X65 pipeline.

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Numerical Prediction of Maximum Load-Carrying Capacity …

This paper presents a finite element (FE) simulation technique to predict maximum load-carrying capacity of cracked steam generator tubes and its application to Alloy 690TT tubes. The simulation method is based on a simplified version of the stress modified fracture strain model.

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Petrobras workshop in Rio de Janeiro - Tenaris

Jul 13, 2015 · Titled "Technological Partnership for the Future," the most recent workshop was held from June 10-11 at the Tenaris Research and Development Center in Rio de Janeiro, Brazil. Participants were introduced to Tenaris’s latest equipment, such as a combined load full scale testing machine and the metallurgy and welding technology lab.

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Numerical Prediction of Maximum Load-Carrying Capacity …

Numerical Prediction of Maximum Load-Carrying Capacity of Cracked Alloy 690TT Steam Generator Tubes ... “ Status Review of Initiation of Environmentally Assisted Cracking and Short Crack Growth,” Electric Power Research Institute, Palo Alto, CA, EPRI Report No. 1011788. ... F. , and Pineau, A. , 1985, “ Ductile Rupture of A508 Steel Under ...

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Engineering Fracture Mechanics

modulus and widths of stretch zones for API-5L X65 steel and micro-alloyed steel (MAS). ... It is with a view to extending knowledge in this area of study that this research seeks to center its investigation on the ... Single specimen unloading compliance method was employed for carrying out fracture toughness tests as per the proce-dures laid ...

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Petrobras attends strategic workshop at Rio de Janeiro R&D ...

Jul 13, 2015 · For me, the workshop was a triple success due to the level and quality of the discussions. We were able to hold the meeting at Rio’s Technological Park in our R&D Center next to the UFRJ, the CENPES and the others that are here. Tenaris and Petrobras were also able to continue carrying out this same event even in a time of crisis.

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Development of High Performance ERW Pipe for Linepipe

by carrying out various improvements. Following the most recent revamp, the general strength index, which ... on previous research in the JFE Steel Group, proven pipe forming load prediction equations, and measured values ... (X65 95%SMYS) Wall thickness (mm) Upper limit After improvement, Reduction 10% 0 SQ load (t) 0 50 100 150 200 250 300 ...

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Finite element analysis of the integrity of an API X65 ...

Aug 01, 2015 · Read "Finite element analysis of the integrity of an API X65 pipeline with a longitudinal crack repaired with single- and double-bonded composites, Composites Part B Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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Mechanical Effects of Flow on CO Corrosion Inhibition of ...

Mechanical Effects of Flow on CO2 Corrosion Inhibition of Carbon Steel Pipelines Director of Dissertation Srdjan Nesic Transportation of multiphase fluids using carbon steel pipelines is ubiquitous in the oil and gas industry. These pipelines are prone to internal corrosion when exposed to an aqueous CO2 environment.

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UNDERWATER WET REPAIR WELDING OF API 5L X65M …

188 POLISH MARITIME RESEARCH, No S1/2017 POLISH MARITIME RESEARCH Special Issue 2017 S1 (93) 2017 Vol. 24; pp. 188-194 ... insulated pipes made of X65 API 5L high strength steel are commonly used. UNDERWATER WET REPAIR WELDING OF API 5L X65M PIPELINE STEEL ... possibility of carrying out the welding in situation where

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Simulation Analysis of the Pressure Carrying Capacity of ...

In order to study the pressure carrying capacity of X80 pipe with plain dents, the formation process and the hydraulic test were analyzed by finite element simulation. Based on this, the sensitivity analysis of the factors affecting the pressure carrying capacity of the pipeline, such as the internal pressure, the confinement state and the material performance, is carried out.

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Papers by Keyword Welded Joints - scientific.net

Abstract The article presents the results of research on low cycle fatigue strength of welded joints of structural steel S960QL. Two types of butt welds were analysed I-joints and V-joints. The tests were performed under load controlled using the total strain amplitude ε ac. Fatigue life analysis was conducted based on the Manson-Coffin ...

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High-strength steel pipe of API X65 grade or higher and ...

Sep 14, 2006 · A high-strength steel pipe having a strength of API X65 grade or higher consisting essentially of, by mass %, 0.02 to 0.08% of C, ... After a slab coming out of a heating furnace is rolled into a steel plate 2 by the hot rolling mill 3, ... using steel plates which were produced under conditions given in Table 3 in a hot rolling mill for steel ...

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Kieran Burley - University of Leeds - Leeds, United ...

View Kieran Burley’s profile on LinkedIn, the world's largest professional community. ... Corrosion inhibition on X65 steel summer research internship University of Leeds Institute of Functional Surfaces ... A model of the design was developed using Solidworks and stress tests carried out using Solidworks simulation. Engineering drawings for ...

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Load Bearing Capacity of a Dented Aluminum Pipe Subjected ...

Three types of materials namely, 6082-T6 aluminum alloy, X65 SAW steel and an ideal elastic perfectly plastic material were used ... By reviewing the research works carried out in the field of ductile ... for the intact material and D =1, for the complete loss of load carrying capacity, i.e. …

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On the Influence of the Corrosion Defect Size in the ...

Research Papers. Topics ... The Influence of Hydrodynamics on the Preferential Weld Corrosion of X65 Line Pipe Steel in Flowing Brine Containing Carbon Dioxide,” Corrosion, San Antonio, TX, Mar. 9–13, Paper No. ... Determination of the Load Carrying Capacity of Damage Pipes Using …

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US20170335467A1 - Corrosion inhibition - Google Patents

This can be a major disadvantage when carrying out an operation which requires that a corrosive fluid contacts several different metals. Using a multifunctional compound, as disclosed herein, controls the proportions which are deposited in a way which is not possible when using a mixture of compounds.

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Analysis on Erosion of Pipe Bends Induced by Liquid-solid ...

Abstract The effect of particle-parameters of a liquid-solid two phase flow on the erosion rate of different sections for pipe bends was analyzed by means of computational fluid dynamics (CFD) in terms of flow rate, particle size and particle velocity etc., while the trajectories of particles were calculated by Lagrange method. Then the relevant erosion mechanism of pipe wall may be acquired ...

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The purpose of preheat:- - new

The purpose of preheat:- ... therefore good practice to allow at least 48 hours before carrying out any NDE. ... The hardening of a carbon manganese steel/low alloy steel is influenced primarily by carbon content and to a lesser extent other constituents such as manganese, chrome, silicone etc. The Carbon Equivalent is a formula used to express ...

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Chang-Sung Seok - Academia.edu

The indenters used to manufacture the dents on the API 5L X65 pipe were hemispherical rod type with diameter of 40, 80, 160 and 320 mm. Dent depths of 19, 38, 76, 114 and 152 mm were introduced on the pipe having a diameter of 762 mm and a wall thickness of 17.5 mm in analyses.

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On Failure Problem of Gears Made From Very High Strength ...

The limit of validity of the traditional methods for load carrying capacity of gears exists in the fact that they are based on the theory of contact of tooth flanks that realize conjugate or almost conjugate action of gears. ... On Failure Problem of Gears Made From Very High Strength Steel. ASME. ... Damage and Failure in an X65 Steel Pipeline ...

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Overstock The Best Deals Online Furniture, Bedding ...

Let Overstock help you discover designer brands and home goods at the lowest prices online. See for yourself why shoppers love our selection and award-winning customer service.

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Materials Engineering Research and Education in Indonesia

Apr 18, 2006 · Most of the steel belong to the group of structural steel. Steel sheets are produced in the cold rolling mill, followed by annealing and temper rolling. A large portion of the steel plates are to produce steel pipe, mostly for the oil and gas industries. The steel pipes produced meet the API 5L X65 grade, also linepipe for sour gas service.

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US Patent for Welded steel pipe for linepipe with high ...

Provided are a steel pipe for a linepipe with high compressive strength and a heavy wall thickness, and a method of manufacturing the same. Lowering of yield stress caused by a Bauschinger effect can be suppressed by optimizing the metal microstructure of a steel plate without requiring particular forming conditions in forming the steel pipe, and without requiring heat treatment after pipe making.

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