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Keywords: resistance
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16314
... Abstract UNS N08935 is a new versatile austenitic alloy with the composition 35Ni-30Fe-27Cr-6.5Mo-0.28N and a PREN of 52. It has an extreme pitting resistance which makes the grade a good candidate for O&G applications. The alloy is available in several strength levels with good ductility...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16245
... for a proposed pipeline running in a common right-of-way with an existing powerline, the accepted technical approach is to collect powerline, pipeline and soil resistivity data, to use dedicated software to predict the pipeline voltages and then to calculate predicted AC current densities based on predicted...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16259
... is poorly configured, it can become the root cause of a very challenging, and sometimes dangerous condition – alarm fatigue. upstream oil & gas resistance machine learning classification variation artificial intelligence fit parameter alarm fatigue us government ampp retrieval system...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16267
... fillers or ceramic beads are commonly used in chemical processing, Mining/Mineral & Ore processing, Oil/gas, Power (fossil, hydroelectric, and nuclear), water/waste water, etc. These coatings provide excellent corrosion and erosion resistance for metal and concrete surfaces. EIS is a useful tool...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16555
...16555 A New, Highly Stable Corrosion Resistant Alloy for Severe Oil & Gas and CPI Environments David S. Bergstrom, Nacéra Sabrina Meck, and John J. Dunn ATI Specialty Rolled Products Natrona Heights Operations 1300 Pacific Avenue Natrona Heights, PA, 15065 USA ABSTRACT ATI has developed ATI 642...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16696
... on the critical stress intensity factor for sulfide stress cracking (K ISSC ). A common Cr-Mo high strength OCTG steel alloyed with three different Nb contents ranging from 300 to 1000 ppm is used. It was found that Nb addition allows the use of higher strength material without compromising the resistance...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12916
... of the flaw tip. Consequently, material cracking resistance is affected by the subsurface hydrogen uptake conditions. The hydrogen concentration variation inside the metal results in significant complexity when attempting the determination of cracking resistance in an environment as a function of hydrogen...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12989
...), and Constant Load Verification (CLV). A new Ni-Cr-Mo-Fe alloy UNS N08830 alloy was recently evaluated for resistance to Hydrogen Induced Stress Cracking (HISC), simulating conditions arising during cathodic protection in a subsea environment. The unique set of test methods and conditions included SSRT...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12971
... ABSTRACT The use of ASTM 4060 Tabor Abrasor Testing has long been the standard for comparing the wear characteristics of different coating systems. This has been done with standard impregnated rubber disks to allow for the industry to look across companies and compare the abrasion resistance...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12944
... ABSTRACT One accident tolerant fuel solution to replace the zirconium cladding of the nuclear fuel is using iron-chromium-aluminum -FeCrAl- alloys, which offer extraordinary resistance to high temperature reaction with air or steam due to the formation of a protective alumina layer...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12919
... and tempered condition, that combines high tensile properties with good Charpy-V notch toughness at low testing temperatures, and exhibits resistance to hydrogen-induced cracking (HIC) as good as the one achieved with carbon manganese steels. Weldability of this material has been studied with the support...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12972
... hardness. Several SOHIC resistance test methods have been reported, but none of the test methods is currently standardized. The newly developed “twist and bend” test is currently under standardization in NACE TG 536. Within this work, SOHIC resistance tests using the “twist and bend” test method were...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12931
... ABSTRACT Duplex stainless steels were introduced and have been actively developed by European companies since 1935. Their properties make them very attractive compared to equivalent austenitic grades: higher resistance to stress corrosion cracking, higher mechanical strength and lower alloy...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12975
... ABSTRACT Assessing and mitigating AC corrosion on pipelines with multiple coatings presents some unique challenges especially when there are significant coating resistance changes between them. Gas pipelines are constantly being upgraded due to class locations/relocations which result...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12946
... ABSTRACT Corrosion resistant alloys (CRAs) have been used in exploration and production fields which contain high pressure, high temperature and significant amounts of hydrogen sulfide, carbon dioxide and chloride ions. As exploration for High-Pressure High-Temperature (HPHT) hydrocarbon...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13023
... ABSTRACT Corrosion of stainless steels in water reservoir basin has been caused by condensed moisture and high concentration of chlorine. Conventional steels such as type 304 and 316L grades might not be strong enough in water reservoir. Corrosion-resistant duplex stainless steel was applied...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13012
... usability in non-drilling oilfields applications. Additionally, some of these alloys having higher pitting and crevice corrosion resistance were tested for environmentally assisted cracking in mild sour brine in 1psia (6.9KPa) H 2 S, 13.5 psia (93KPa) CO 2 , pH 4.0). Through various experimental methods...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13025
... ABSTRACT The precipitation-hardenable Nickel Alloy UNS (1) N07718 is one of the most commonly applied alloy in the oil and gas industry. Enriched with amounts of niobium, molybdenum, titanium and aluminum, this alloy is known as having good corrosion resistance in sour gas applications while...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12932
... resistance holiday coating Corrosion Inhibition oilfield chemistry Midstream Oil & Gas cp current rock shield permission protection manuscript application rock shield material Houston inner layer DEVELOPING AND TESTING A NEW ROCK SHIELD MATERIAL TO PROTECT THE PIPE COATING Richard...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13026
... and electrochemical experiments were performed in a solution saturated with CO 2 (autogenous pH) at 30°C and 1 bar total pressure. The results of weight loss, linear polarization resistance (LPR), and electrochemical impedance spectroscopy (EIS) showed that the corrosion rate decreased with increasing NaCl...

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