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Technical Challenges in Using Super Duplex Stainless Steel
CORROSION 2006, 2006Abstract Super Duplex Stainless Steel (SDSS) was selected, fabricated and installed for the high pressure, deoxygenated seawater sections of Mars Waterflood Project (MWP). Several factors led to the selection of this material including corrosion resistance in seawater, relatively high strength and the relative uncertainty in the ...
Desmond Koh-Kiong Tiong +2 more
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Fracture toughness of a welded super duplex stainless steel
Materials Science and Engineering: A, 2014Abstract Fracture toughness testing was conducted on standard single-edge notched bend bar specimens of base and weld metal. The material was the SAF 2906 super duplex stainless steel. The aim was to evaluate the susceptibility for brittle failure at sub-zero temperatures for the base and weld metal.
Johan Pilhagen +2 more
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Failure of a super duplex stainless steel reaction vessel
Engineering Failure Analysis, 2004Abstract Crevice corrosion and stress corrosion cracking (SCC) were recently discovered in a vessel used to strip vinyl chloride monomer from a water-based slurry of PVC granules. The vessel was manufactured from UNS S32750 super duplex stainless steel and the welds were produced using matching welding consumables.
Linton, V. +3 more
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Rolling Texture Formation in Super-Duplex Stainless Steel
Solid State Phenomena, 2010The present research is a part of project which concerns a deformation behavior of duplex type ferritic-austenitic stainless steels. This paper focuses on the examination of ferrite and austenite textures formed upon thermo-mechanical treatment and deformation textures developed during cold-rolling of super-duplex stainless steel sheet.
Janusz Ryś, Wiktoria Ratuszek
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Weldability and hydrogen relationships in super duplex stainless steel
1995As the microstructure of commercial duplex stainless steels consists of approximately 50% austenite and 50% ferrite, the response of these two phases to hydrogen is of interest to the users of these materials. A study has been made of the hydrogen cracking behaviour in welded super duplex stainless steel using the GTA welding process.
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A New Method of Material Categorisation for Super-Duplex Stainless Steel Tubulars
Proceedings of SPE High Pressure/High Temperature Sour Well Design Applied Technology Workshop, 2005Summary Following the failure of a super-duplex stainless steel (SDSS) production tubular in an HT-HP well in the Shearwater field, Shell Exploration & Production in Europe have developed a new method of categorizing SDSS material using an eddy current inspection technique.
Neill Renton +3 more
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Stress corrosion cracking of duplex and super duplex stainless steels in sour environments
Corrosion Science, 1998Abstract The resistance of two commercial duplex stainless steels to sulphide stress corrosion cracking in sour environments has been assessed by means of slow straining in a variety of solutions saturated with hydrogen sulphide over the temperature range from 2 to 95°C.
A.A EL-Yazgi, D Hardie
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2020
One of the basic criteria determining the suitability as a structural material is its corrosion resistance. In addition, abrasion resistance, heat resistance, mechanical strength are also important. The properties of austenitic-ferritic two-phase Duplex steels resulted in its various applications, among others, in radiators, dryers, structures working ...
Sylwia Włodarczak +8 more
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One of the basic criteria determining the suitability as a structural material is its corrosion resistance. In addition, abrasion resistance, heat resistance, mechanical strength are also important. The properties of austenitic-ferritic two-phase Duplex steels resulted in its various applications, among others, in radiators, dryers, structures working ...
Sylwia Włodarczak +8 more
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Precipitation of secondary phases in super duplex stainless steel ZERON100 isothermally aged
Materials Science and Technology, 2011In the present paper the results of secondary phases determination and quantification in ZERON100 duplex steel, heat treated at 850–1000°C for 180–2400 s, are presented. During the isothermal heat treatments, at 850°C, the χ phase is the only phase to precipitate at α/ γ boundaries and triple points, while at 900 and 950°C, χ phase is the first phase ...
CALLIARI, IRENE, PELLIZZARI M, RAMOUS E.
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The Performance of a Super-Duplex Stainless Steel in Chloride Environments
CORROSION 1990, 1990Abstract UNS S32750, a so called super-duplex stainless steel, has been investigated using many test techniques in various aqueous chloride environments. The results show that the UNS S32750 alloy has superior resistance to localized attack as compared to most other stainless steels.
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