... corrosion and passivity may be more or less fluid depending on both material and environment. Furthermore, active corrosion at a predictable and reasonably low rate may in some cases be acceptable. This work has studied the effect of acid concentration and temperature on the corrosion rate of three...

... resistance Publication Division mixed acid texas 77084 acid concentration materials and corrosion riser corrosion nitric acid corrosion rate iso-corrosion line permission corrosion resistance acid uniform corrosion resistance hydrochloric acid Houston hno 3 alloy manuscript Performance...

... steel stainless steel well integrity Publication Division texas 77084 permission Upstream Oil & Gas acid concentration wall shear stress alloy Pipeline Corrosion Subsurface Corrosion concentration sulfuric acid carbon steel corrosion resistance manuscript Houston Behavior...

... concentration sulfuric acid carbon steel hydrocarbon Publication Division texas 77084 permission Pipeline Corrosion well integrity corrosion rate steel stainless steel reaction manuscript Alkylation acid concentration prediction Houston South Creek Drive Prediction and Assessment...

... and corrosion Pipeline Corrosion Subsurface Corrosion H2S management propargyl alcohol well integrity HCl inhibitor concentration acid concentration South Creek Drive corrosion rate hydrochloric acid coupon Upstream Oil & Gas corrosion inhibitor inhibitor texas 77084 dissolution riser...

... exceeds a certain value as a function of acid concentration. These diagrams alloy users to quickly identify materials that are worthy of further consideration for select conditions of acid concentration and temperature. While these diagrams are used in this paper, it needs to be stated that these are only...

... concentration anodized aluminum alloy alloy aluminum sample metals & mining anodized phase sulphuric acid room temperature coating thickness anodized aluminum aluminum aluminum alloy Reservoir Characterization Thickness hardness Microstructure acid concentration mechanical...

... of the published isocorrosion curves. Among these problems is the tendency for many diagram creators to extrapolate their data back linearly to an intercept of 100°C at 0% acid concentration. [Such extrapolation is wrong, of course, since most stainless materials exhibit low corrosion rates in pure water...

... in part by the maximum degradation of stainless steel occurring at intermediate nitric acid concentrations. If the steel is not immune to the chloride, corrosion generally occurs by pitting. An experimental program to evaluate the impact of chloride on dissolver corrosion in a nitric acid/fluoride...

... flowline corrosion riser corrosion chemistry Subsurface Corrosion acetic acid materials and corrosion Upstream Oil & Gas Pipeline Corrosion well integrity organic acid species acid concentration speciation acid job water condensation rate condensed liquid concentration acid...

... others. flowline corrosion Subsurface Corrosion concentration zirconium Pipeline Corrosion well integrity acid concentration graphite alloy materials and corrosion tin content sulfuric acid metals & mining mechanical property riser corrosion TiN corrosion resistance zr 702...

... include pitting, intergranular corrosion and stress corrosion cracking (SCC) depending on acid concentration and stress. The performance of zirconium in oxidizing HCl is greatly affected by many factors. When these factors are properly addressed, zirconium may perform acceptable even in oxidizing HCl...

..., environmental, mechanical, design, fabrication, operational and maintenance issues that affect the performance of zirconium in sulfuric acid solutions. Subsurface Corrosion concentration acid concentration materials and corrosion sulfuric acid solution particle Pipeline Corrosion well integrity...

... (temperature and acid concentration). The area on the diagram for which the corrosion rate is under 0.1 mm/y can be considered very safe conditions for most applications, whereas the moderately safe region has corrosion rates between 0.1 and 0.5 mm/y, and above 0.5 mm/y the area is considered as unsafe...

... alloy stainless steel flowline corrosion Subsurface Corrosion concentration acid concentration u-bend specimen hydrofluoric acid internal attack stress corrosion boundary reaction internal feature wet hydrofluoric acid THE INFLUENCE OF COMPOSITION UPON SURFACE DEGRADATION AND STRESS...

... Pipeline Corrosion well integrity organic acid acid concentration co 2 formic acid undissociated organic acid potentiodynamic sweep pco 2 0 cathodic reaction acid reduction undissociated formic acid reaction EFFECT OF ORGANIC ACIDS IN CO2 CORROSION Vanessa Fajardo, Christian Canto, Bruce...

... ABSTRACT The history and properties of Z100 superduplex stainless steel are discussed. The corrosion resistance in sulphuric acid is compared with some other common alloys. Four case histories are presented that show the use of Z100 over a range of acid concentrations and temperatures. Most...

... are analyzed. The alloys are ranked for applicability by acid concentration and temperature. INTRODUCTION Sulfuric acid is one of the world?s most important industrial chemicals as it is used in a variety of industrial processes. World production exceeds 100 million metric tons per year. Diluted acid...

..., was detrimental in the production of acetic acid.3 Over the years, as a result of the constant push for higher efficiencies in CPI production units and reducing waste streams, acid concentration and operating temperatures have increased. In sulfuric acid service in the 60-70% concentration range...

... (UNS R50400) titanium was sufficient, but newer technology has increased acid concentration and temperature. Grade 12 titanium (UNS R53400) was found to be less resistant than Grade 2. Grade 7 titanium (UNS R52400) performs very well in more severe conditions with 15-20 years life expectancy...