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Keywords: nitrogen
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Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10535
... to corrosion and leakage of sprinkler piping. 1 Corrosion mitigation of steel sprinkler piping in these systems has been successfully achieved through nitrogen supervision to reduce the oxygen concentration by using an on-site nitrogen generator. For wet pipe systems, causes of pipe corrosion and leakage...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11107
.... In addition, the specimen employing 100% N2 back shielding gas with 2,000 ppmO2 was acceptable in corrosion test. It was observed that the corrosion resistance of SDSS weld joint is mainly affected by depletion of nitrogen in the surface of root bead and less affected by oxygen content levels. The nitrogen...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11264
... well integrity ppm bisulfite ion PPM texas 77084 corrosivity nitrogen Houston Publication Division round 1 Subsurface Corrosion Brine corrosion rate permission test cell injection manuscript blank rate electrode Corrosivity of Oxygen Scavenger in a Sea Water Environment Tracey...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10574
... consisted of calculating the carbon and nitrogen solubilities in austenite in the stabilized steels and comparing them to the corresponding solubilities in the unstabilized grades to determine the effectiveness of the stabilizing elements in decreasing carbon supersaturation at the service temperature...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9536
... depths, as well as underwater pictures of the bridge steel piles were taken. The chemical composition including pH, total organic nitrogen, nitrate, phosphate, sulfate, chloride, ammonia and microbiological content of the samples were determined. Sulfate Reducing Bacteria (SRB), Slime Forming Bacteria...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9136
... industry will spend $550M/yr. by the year 2020 (Figure 1). materials and corrosion Pipeline Corrosion well integrity Upstream Oil & Gas corrosion rate Subsurface Corrosion corrosion inhibitor Preservation nitrogen Publication Division permission flowline corrosion riser corrosion...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7212
... reaction humid air nitrogen manuscript contamination Subsurface Corrosion cathodic area texas 77084 Zinc cathodic reaction atmospheric corrosion exposure Houston galvanic cell electrode Formation of Galvanic Cells and Localized Corrosion of Zinc under Atmospheric Conditions Andrej Nazarov...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7630
... integrity weld overlay CPT localised corrosion resistance Houston riser corrosion overlay texas 77084 specimen crevice corrosion NaCl solution nitrogen permission manuscript Production Chemistry H2S management Publication Division iron content stainless steel corrosion resistance...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5897
... management critical temperature flowline corrosion manuscript nitrogen composition strength houston steel grade application corrosion property subsurface corrosion corrosion management publication division specimen stainless steel Corrosion Properties of Enhanced Duplex Steel UNS S32304...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5683
... Abstract A new alloy was recently introduced and is identified as UNS (1) N06058. This is a Ni-Cr-Mo-N material with the highest Mo-content commonly used so far and is the first alloy in the Ni-Cr-Mo family to use intentional additions of nitrogen (N) to improve corrosion resistance. Its...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5746
... corrosion stainless steel nitrogen riser corrosion current density-temperature curve texas 77084 metals & mining production chemistry concentration cpt test houston surface preparation duplex stainless steel corrosion resistance interface manuscript permission ferrite grain Role...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5446
... metals & mining h2s management publication division nitrogen oilfield chemistry corrosion management steel stainless steel corrosion inhibition upstream oil & gas heat treatment composition alloy duplex stainless steel crevice corrosion production chemistry resistance...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5548
... or water damage significantly adds to the lifecycle cost of sprinkler protection systems in buildings. A nitrogen generator inerting system was used to study the effectiveness of using nitrogen as a supervisory gas to mitigate sprinkler pipe corrosion for both dry and wet type FPS. In this study...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5450
... Abstract Vapor phase corrosion (VCI) inhibitors have superior protection performance compared to nitrogen blanketing systems. Proof of this was seen after monitoring the corrosion rate of steel samples for more than five months (roughly 4,000 hours). Corrosion behavior was evaluated in two...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5635
... wettability publication division nitrogen corrosivity steel corrosion riser corrosion corrosion rate break texas 77084 crude oil manuscript compound Abstract The chemical components of a crude oil significantly influence steel corrosion in crude oil production, and this influence comes...
Proceedings Papers

Paper presented at the CORROSION 2013, March 17–21, 2013
Paper Number: NACE-2013-2493
... steel specimen oilfield chemistry Corrosion Management Publication Division nitrogen crack growth rate South Creek Drive Houston FCGR c-mn pipeline steel Upstream Oil & Gas fracture face texas 77084 permission manuscript Fatigue Crack Growth Performance of a Pipeline Steel in H2S...
Proceedings Papers

Paper presented at the CORROSION 2013, March 17–21, 2013
Paper Number: NACE-2013-2228
... in chloride containing media. The pitting resistance equivalent calculated by the weighted sum of chromium, molybdenum and nitrogen is resulting in a pitting resistance equivalent number PREN of 54. A high nickel content supported by alloying with nitrogen offers an improvement in the thermal stability...
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1324
... ABSTRACT: A low temperature (420 oC or less), plasma-based interstitial hardening (IH) process that introduces substantial amounts of nitrogen into A286 and 2205 stainless steels was investigated . The IH-treatment provided surface nitrogen concentrations as high as 26 at% and has been shown...
Proceedings Papers

Paper presented at the CORROSION 2011, March 13–17, 2011
Paper Number: NACE-11060
... present in crude oil which have an effect on inhibition and wettability. The likeliest molecules to adsorb onto a metal surface are polar compounds. Nine polar compounds containing nitrogen, sulfur and oxygen have been studied. Corrosion rates were recorded, the change of the steel wettability has been...
Proceedings Papers

Paper presented at the CORROSION 2011, March 13–17, 2011
Paper Number: NACE-11109
... ion. The new alloy has exhibited equivalent stress corrosion cracking resistance to UNS N08535 of 110ksi (758MPa) grade. In addition, the influence of alloying nitrogen in austenitic alloy as a soluble element on SCC susceptibility has carefully been investigated in this study. Since alloying nitrogen...

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