... 1080, Fortaleza CE - 60440-554 Brazil ABSTRACT Several offshore pipelines in Pre-salt fields, Brazil, are made of Super Duplex stainless steel. When welded, in general, these materials present a decrease in its corrosion resistance. Welding procedures, materials properties, surface conditions...

...Paper No. C2024-21175 MARCH 3-7, 2024 | NEW ORLEANS, LOUISIANA Comparison Of the Life Cycle Cost of Carbon Steel, Duplex Stainless Steels, Super Austenitic, And Nickel-Based Alloys for Crude Unit Overheard Condensers. Karen Picker Alleima USA, LLC 8618 W Little York Rd. Houston, TX 77040 United...

... amount of O 2 , corrosion tests were performed under the conditions of 5 mass% NaCl equilibrium with CO 2 , containing with the various amount of O 2 at total pressure of 130 bar and 100 °C. Super Martensitic Stainless Steel (UNS S41426), Duplex Stainless Steel (UNS S82551), and Super Duplex Stainless...

...Paper No. C2024-20693 MARCH 3-7, 2024 | NEW ORLEANS, LOUISIANA Field Data Collection for Cathodic Protection and Hydrogen Embrittlement of Super Duplex Stainless Steel for Deep Sea Application Use of Low Voltage Anode Nicolas Larché French Corrosion Institute, RISE 220 rue Pierre Rivoalon Brest...

...Paper No. C2024-20655 MARCH 3-7, 2024 | NEW ORLEANS, LOUISIANA Effect of the austenite spacing in Duplex stainless steel on the sour cracking resistance Christophe Mendibide Institut de la Corrosion Part of RISE ZA du parc secteur Gampille 42490 Fraisses France Matthieu Regniere Institut de la...

...Paper No. C2024-20361 MARCH 3-7, 2024 | NEW ORLEANS, LOUISIANA Field Experience of Duplex Stainless-Steel Pipes in Stagnant Condition Amjad Al Kharusi, Janardhan Rao Saithala, Mohammed Al Ghafri, Talal Nabhani Petroleum Development Oman PO Box 81, Muscat Sultanate of Oman ABSTRACT Flowlines...

... ABSTRACT Duplex stainless steel (DSS) is widely used in the refinery because of its economical combination of strength, corrosion resistance and cost. Various forms of damage may occur to the DSS depending on the concentration of chloride, H 2 S, water, and temperature. This report presents...

... duplex stainless steel, nickel based super alloys, high chloride, H2S, CO2, stress corrosion cracking INTRODUCTION In the early production life of oil and gas wells, the water production rate can be low. The formation water is expected to contain high amounts of chlorides in some of the gas fields...

...Paper No. C2024-20759 MARCH 3-7, 2024 | NEW ORLEANS, LOUISIANA Failure of Cast Duplex Stainless Steel Valves Due to Improper Microstructure K. Ravindranath Petroleum Research Center Kuwait Institute for Scientific Research P O Box 24885 Safat 13109, Kuwait B. Al-Wakaa Petroleum Research Center...

... to include them in relevant standards. One of the major areas of standards are the ones verifying that the final solution annealing has been adequate not creating detrimental levels of precipitates. For duplex stainless steels the ASTM A923 and ASTM A1084 serve well for this purpose. The relatively new...

... ABSTRACT Components in upstream Oil and Gas production such as flowlines, storage vessels or injector pipelines which are made of duplex stainless steel UNS S32205 can undergo localized corrosion such as pitting or crevice corrosion when exposed to oxygen during shutdowns or turn arounds...

... ABSTRACT Looking at different stainless-steel families, we find lower alloyed ferritic stainless steels, high alloyed austenitic, and duplex stainless steels. All different grades are used in a wide range of temperatures, corrosion environments, and applications. The challenge is developing...

... ABSTRACT According to ISO 15156 standard, the acceptability limits of duplex stainless steels for a safe use in exploration and production environments are defined based on the PREN. For duplex stainless steels, depending on the alloying content, the maximum acceptable H 2 S partial pressure...

... potential and the cathodic current were measured on super-duplex stainless steel as a function of residual chlorine levels and seawater temperatures. In parallel, long term localized corrosion tests have been performed in simulated environments to assess the environmental limits for safe use of high-grade...

...Paper No. 18874 MARCH 19-23, 2023 | DENVER, COLORADO Direct Comparison of the ASTM G48 and ASTM A923 Ferric Chloride Corrosion Test Methods for the Detection of Deleterious Phases in Duplex Stainless Steels Bruce Cowe TotalEnergies Pau, 64018 France Hervé Marchebois TotalEnergies Pau, 64018 France...

... on both tubes and shell. The heat exchanger is particularly affected because of condensation that occurs in it which possible leads to concentration of corrosion agents. The temporal duplex stainless steel heat exchanger tubes did not perform well. A titanium alloy with palladium coating performed...

... ABSTRACT Erosion-Corrosion behavior of 2507 duplex stainless steel was studied in a CO 2 saturated environment (sweet production) as it was impinged by CaCO 3 and sand particles. Experimental data were collected with the objective of investigating the performance of 2507 duplex stainless...

... thermomechanical processing to enhance the HE resistance of the designed high Mn alloys. HE sensitivity of the high Mn (20-30 wt pct) steels in comparison to commercial 316L austenitic and 255 duplex stainless steels was investigated by means of rising displacement testing of circumferentially notched tensile...

... high and low alloyed duplex stainless steels there is a need for methods verifying that the final solution annealing has been adequate not creating detrimental levels of precipitates. The standards ASTM A923(1) and ASTM A1084(2) that provide methods for detecting detrimental phases serve well...

... Abstract Between 1975 and 1995 roughly half a million kilometers of duplex stainless steel (DSS) pipe had been installed in the North Sea, subsea, with insulation coating and cathodic protection (CP) applied. In contrast to the previous 20 year of good experience, between 1996 and 2004...