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This work aims at comparing a performance of the UNS(1) S32304 lean-duplex stainless steel rebars in electrical contact with carbon steel rebars, both embedded in concrete subjected to a chloride ion contamination.
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Laboratory investigation performed to evaluate the impact of key Hanford tank waste chemical constituents on corrosion of Type 304L stainless steel (UNS S30403), which is the material of construction for the site’s evaporator.
Assessing pitting corrosion resistance of metallic materials in chloride-containing environments at elevated temperature…based on electrochemical results obtained on two materials in oilfield upstream applications.
This paper discusses the material selection, fabrication, and construction of Virginia’s first corrosion resistant ASTM A1010 plate girder bridge.
A sacrificial sensor has been designed to detect the occurrence and rate of atmospheric corrosion and stress corrosion cracking. Constructed using additive manufacturing and can be customized for use with small size wires or ribbons of any metallic material as a sensor electrode.
The corrosion of stainless steel AISI 309S, one of the recommended materials, was investigated in a representative salt brine by a special designed high-pressure and high-temperature electrochemical reactor.
This paper will identify and document how these different factors affect the susceptibility of austenitic stainless steel to Chloride-Stress Corrosion cracking based on a review of currently available literature. A review of current industry best practices and a review of how the Oxygen content, the pH and application of stress relief affects Chloride-Stress Corrosion Cracking will be documented and presented.
The formation of carbon deposits and fouling of tubes is one of the most common operational issues regarding the operability and lifetime of materials at an industrial scale. Several billion dollars are spent worldwide on annual basis to upgrade/change materials apart from revenue loss on account of production halt and additional costs incurred in maintenances. Particularly, the carbon deposition in the refining process is an evitable and undesired factor. Most refineries worldwide have vacuum distillation, delayed cokers, visbreakers, or thermal cracking units where coke formation occurs faster due to high temperatures used in the process.
Martensitic Stainless Steel (SMSS) is widely used for downhole production tubing and liners in the Oil & Gas industry. Optimization of the tubular material chemistry, cleanliness and manufacturing route has delivered useful performance in H2S-containing environments (specifically SSC and stress corrosion cracking [SCC])3 resistance4,5,6. Some tubular accessories and most completion equipment require sizes not readily delivered by tubular product form. In these instances, bar stock material is a pragmatic choice.
Spent nuclear fuel (SNF) is currently stored in stainless steel dry storage canisters (DSCs) contained within concrete cask systems with passive ambient air cooling. These systems are emplaced, either horizontally or vertically, at independent spent fuel storage installations (ISFSIs), located at utility reactor sites. The ambient air introduces moisture, aerosolized salt particles, and dust to the canister surfaces. The composition of the aerosols depends on geographical factors, such as proximity to the ocean,industrial area, rural areas, and transportation corridors that use road salt for winterization.
CHINESE TRANSLATION. Selection and qualification of carbon and alloy steels for service in oil and natural gas production & treatment in H2S-containing environments. Multiple downloadable files.
Understanding and mitigating stress corrosion cracking (SCC) in stainless steels used in light water reactors is important, and experimental efforts to characterize this behavior have been performed over the last several decades. While SCC growth has been shown to follow an Arrhenius temperature functionality, a departure from this functionality has been observed due to high temperature SCC growth rate retardation (HTR). This paper characterizes observed trends between different cold work levels and temperature effects on cracking behavior and crack tip morphologies in 304 stainless steel.