...Corrosion resistant alloys acid corrosion salts nickel-base alloys electrochemical modeling chemical processes environments localized corrosion INTRODUCTION Abstract Corrosion-resistant alloys (CRAs) are often employed in aggressive environments including pure acids as well...

..., at temperatures as high as 550°F (288°C). In addition, weld mechanical properties will be presented, including transverse weld tensile and all-weld-metal tensile test results. The overall results demonstrate the suitability of N07022 alloy for demanding welded applications. Nickel-Base Alloys N07022 C-22Hs...

...Abstract A laboratory study was performed by exposing seven candidate heat-exchanger alloys to simulated conditions of advanced open supercritical CO₂ (sCO₂) Brayton power cycles. The alloys, consisting of ferritic steels, austenitic stainless steels, and nickel-base alloys...

...Abstract Supercritical carbon dioxide offers the potential for significant efficiency increases in power generation systems. However, limited information is available on the compatibility of supercritical carbon dioxide with highly alloyed iron-base alloys and nickel-base alloys. These alloys...

... N07022 alloy will demonstrate that it offers superior properties to precipitation-strengthened Ni-base alloys for demanding oil and gas applications. Nickel-Base Alloys Ni-Cr-Mo N07022 C-22HS Cold Work Nace MR0175 Sour Gas Hydrogen Embrittlement INTRODUCTION UNS N07022 alloy, known commercially...

... and inhibitive ions on passive dissolution. The paper presents the available experimental data and provides a modeling framework to predict the observations. Acid corrosion stainless steels nickel-base alloys electrochemical modeling INTRODUCTION Abundant data for metals in various single-component chemicals...

... with respect to highly alloyed Ni-Cr-Mo-W weld metal. Nickel-Base Alloys Ni-Cr-Mo-W Alloys N06686 ERNiCrMo-14 Welding Weld Metal Scheil Solidification Overmatching Filler Metal Intergranular Corrosion Pitting Corrosion INTRODUCTION UNS N06686 is a Ni-base alloy that was developed to offer superior...

... to clogging of the tubes. This paper will review selected papers dealing with steam oxidation of the candidate nickel-base alloys and compare results of ongoing research for exposure conditions ranging from moist air at atmospheric pressure (650°C to 800°C) to steam at 34.5 MPa (650°C to 760°C) . The role...

.... Overall, the results show that the new alloy is an excellent candidate for high-strength marine fastener applications. nickel-base alloys marine fasteners corrosion resistance age-hardenable high strength INTRODUCTION The N07022 alloy, known commercially as the HASTELLOY® C-22HS® alloy ⁽¹...

... to 550°F (205 to 288°C). Tests were conducted both with and without the presence of elemental sulfur. The results of these tests have been used to successfully incorporate high-strength N07022 alloy into the MR0175/ISO 15156 standard. Sour Gas Testing Procedure 90-day C-Ring Testing nickel-base alloys...

...Abstract Corrosion behaviors of stainless steels and nickel-base alloys were investigated in H₂O₂-containing SCW environments. The effects of temperature, exposure time and H₂O₂ concentration were examined. The mass gain and the morphologies...

... panels will continue to require overlaying with corrosion resistant materials to resist an ever more demanding environment. Nickel-based alloy options for future facilities and associated corrosion issues will be discussed. Ultra Supercritical Coal Ash Corrosion Nickel-Base Alloys Stress Rupture...

.... Rectangular occlusions Abstract Crevice corrosion, pitting or stress corrosion cracking (SCC) of steel, stainless steels, nickel base alloys, or other metallic materials such as titanium can occur in aerated solution due to a differential oxygen (O₂) concentration cell (OCC). An O₂...

...CRA’s can be divided into different types. According to NACE MR0175/ISO 15156-3, Table A.12, cold-worked solid-solution nickel-based alloys are divided into three types, presented in Table 1 . ² UNS N08028 belongs to the type 4c, with a Cr content of at least 19,5%, Ni+Co content...

... the annealed and age-hardened condition and the direct age-hardened condition. In these age-hardened conditions, alloy 725 exhibits excellent potential for marine springs, fasteners and hardware. age-hardenable nickel-base alloys seawater pitting crevice corrosion fatigue resistance bolting springs...

... pass. For alloy 400, velocity effects are most pronounced in aerated acid solutions. Abnormally high velocities, especially when abrasive solids are suspended in solution, should be avoided. nickel-base alloys sulfuric acid application guide Experience with alloy 400 indicates...

... of an alloy 693 sample exposed under the same conditions for 24,015 hours. A continuous alumina scale is present, explaining the very stable mass change data shown in Figure 7 . Abstract Nickel-base alloys designed for elevated temperature service can offer a high degree of mechanical integrity...

...nickel-base alloys sour environments corrosion resistance oil country tubular goods (OCTG) age-hardened tube mechanical tube oil field INTRODUCTION Natural gas still remains one of the world’s most abundant sources of energy. In the past, drilling and production tubulars were only steel...

... in the number of pits. metal dusting nickel-base alloys pit depth oxide scale high pressure high temperature materials syngas Raman spectroscopy hydrogen reformer effluent INTRODUCTION In many industries, metallic alloys are used in structural components that are exposed to elevated temperatures...

... and seawater corrosion. Nickel-based alloys such as alloy UNS N06686 obtain their strength through cold work. Other highly corrosion-resistant nickel-alloys such as alloy UNS N07725 are precipitation hardened. Both the cold worked and the precipitation hardened alloys exhibit exceptional strength, ductility...