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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-2021-16267
... industrial coatings containing 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...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16245
... pipeline corrosion well integrity ac voltage material protection materials and corrosion midstream oil & gas ac corrosion mitigation subsurface corrosion ampp ac current density current density flowline corrosion riser corrosion resistance retrieval system permission...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16259
... in the voltage and current readings is observed. This variation can be attributed to seasonal changes in soil resistivity.2 An example is shown in Figure 2. © 2021 Association for Materials Protection and Performance (AMPP). All rights reserved. No part of this publication may be reproduced, 3 stored...
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 2021, April 19–30, 2021
Paper Number: NACE-2021-16555
... Abstract ATI has developed ATI 642 ™† alloy, a new Ni-Cr-Mo corrosion-resistant alloy that displays significant resistance to sensitization from the effects of hot-clad bonding and welding operations. The new alloy is unique because of its substantial Fe content, which gives it a significant...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12729
... content, UNS N08825 shows an outstanding resistance to stress corrosion cracking in aqueous and acidic chloride-containing solutions. However, the molybdenum content of 2.5 to 3.5 wt.% limits its resistance to pitting and crevice corrosion in highly concentrated chloride-containing environments...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12813
... texas 77084 permission manuscript resistance exposure evaluation manufacturer 1 manufacturer 4 capacitance impedance electrochemical impedance spectroscopy manufacturer 3 Publication Division coating Houston ABSTRACT INTRODUCTION LABORATORY TECHNIQUES FOR EVALUATION...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12782
... ABSTRACT In High Pressure High Temperature “HPHT” wells (pressure above 690bar, temperature above 150°C) which contain CO 2 and H 2 S, operators need to select corrosive resistant materials. High strength grades are usually required to meet collapse and burst properties. The aim of the end...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12814
... ABSTRACT Duplex Stainless steel 22Cr (DSS) is one of the corrosion resistant alloys (CRA) that is used extensively in oil and gas industry for critical applications such as wet gas production flow lines and pipelines. A number of new sour oil & gas projects in the company with high...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12783
... during each turn around to prevent PTA SCC according to NACE (1) SP0170-2012. It has been known that proprietary S34751 has superior PTA SCC resistance compared with S34700 or S32100 even without Post Weld Heat Treatment (PWHT) and neutralization treatment during turn around. However, the difference...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12845
... oilfield chemistry Corrosion Management weser water Production Chemistry resistance texas 77084 Houston current density potential curve Corrosion Inhibition Upstream Oil & Gas corrosion rate non-inhibited sample artificial seawater protective layer formation protective layer...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12900
... service. In this paper, an effort is made to evaluate the sulfide stress cracking (SSC) resistance of common grades of Cr-Mo and Ni-Cr-Mo steels heat treated to high strength using NACE TM0177 Method A testing. 2 This would also assist when comparing the cracking resistance of high strength, low alloy...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12763
... ABSTRACT A previously developed modeling framework has been extended to predict the general and localized corrosion of various corrosion resistant alloys (CRAs), including alloys 2507, 2535, 28, 29, S13Cr, S15Cr, and S17Cr in complex aqueous systems relevant to oil and gas production...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12846
... ABSTRACT Precipitation Hardened (PH) nickel alloys have been used extensively and successfully in the Oil & Gas Industry for many years. These materials offer high strength and outstanding corrosion resistance in many aggressive environments and they are a common selection for high...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12901
... grades such as Alloy 28 are used but these have less pitting resistance than the 6Mo super austenitic grades. If high mechanical strength and high pitting resistance is required hyper duplex is an option. However, hyper duplex is limited by service temperature and resistance to corrosion in acids...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12797
... chemistry H2S management ECDA Pipeline Corrosion pipeline surface polymeric coating permission manuscript strength Publication Division coating anti-corrosion barrier texas 77084 Houston riser corrosion pipeline coating resistance field performance application indirect measure...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12855
... is the difference in corrosion potentials of the individual materials in the given environment which causes galvanic currents the magnitude of which depends on the sum of all system resistances (Ohmic Law). Any assessment of the corrosion rates at bimetallic couplings needs information on the free corrosion...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12903
... Development of Fluoropolymer Foulant-Resistant Coatings for Downhole and Heat Exchanger Applications Richard Maynard, Ph.D. The Chemours Company FluoroFinishes, Chestnut Run Plaza 711 974 Centre Road Wilmington, Delaware 19805 USA ABSTRACT This paper describes the development of novel next...

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