Stainless steel 316L is very durable and resistant to chemical contaminants and acidic solutions such as bromides, sulfuric acid and chlorides. Its other characteristics include higher creep resistance, excellent formability and rupture and tensile strength at high temperatures [14].
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The corrosion behaviors of austenitic stainless steels, 304 and 316L as a contrast material, are investigated in hydrochloric acid corrosion under different conditions including immersion corrosion, single-phase flow and two-phase flow, respectively. The corrosion mass loss test and electrochemical test were carried out to evaluate the influence of medium temperature and concentration.
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Offering excellent resistance in acid solutions and good resistance in chloride containing media, our 316L grade is well-suited for manufacturing parts that come into contact with seawater at low temperatures. Generalized corrosion Corrosion resistance of stainless steels in sulfuric acid (H 2 SO 4) 1020 30 40 50 60 70 80 90 100 80 70 60 50 40 ...
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B. Stypula, D. Kasprzyk and M. Hajos, Corrosion behaviour of stainless steel in hot concentrated sulfuric acid – effect of fluoride impurities, Arch. Metall. Mater., 2009, 54, 305–317 CAS . R. Jones, V. Randle and G. Owen, Carbide precipitation and grain boundary plane selection in overaged type 316 austenitic stainless steel, Mater. Sci.
Get priceSteels showing the least corrosion resistance in the nitric acid test generally proved to be the most resistant to sulfuric acid. Specimens of types 304 and 316 stainless steel in both the annealed and sensitized conditions also were exposed to the boiling nitric acid test and to boiling solutions of lactic, phosphoric, and acetic acids.
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Key words: Stainless steel, Aqueous salt solution, Corrosion rate, Immersion test. ... stainless steel in acid and basic mediums, but it is corrosion resistance in salt aqueous ... (AISI 316L) stainless steel, it is machined and formed to discs of (20) mm in diameter and (4) mm thick. Analysis of these
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Sep 03, 2019· When the sulfuric acid-free electrolyte was used to electropolish the 316L stainless steel, the X-ray photoelectron spectroscopy (XPS) analysis shows that atomic Cr/Fe ratio of 316L stainless steel was increased from 0.802 to 1.909 after electropolishing process in the sulfuric acid-free electrolyte of phosphoric acid and glycerol.
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Abstract The effect of tin on general and pitting corrosion behaviors of the austenitic stainless steel in sulfuric acid and ... 316 stainless steels in a 30% H 2SO 4 solution [6]. Similarly, ... sulfuric acid solutions. The corrosion rate is 33.76 g/(m 2h) for the steel without tin addition, and it decreases ...
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As an example, if we want to store a sulfuric acid solution of 20 mass-% at 60°C, we could take a look at the isocorrosion diagram in Figure 2. This would show us that Supra 316L/4404 will not be suitable. We will instead have to go for a higher alloyed grade, such as Ultra 904L.
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Corrosion-Resistant Materials and Coatings ... will be furnished when stainless steel is ordered. #316 stainless steel is also available. All Hartzell fans and blowers for corrosive applications ... Sulfuric Acid, to 25% N N F N F F G G *200 *210 *210 N N G F Sulfurous Acid, .
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conditions which the stainless steel is exposed to, as well as the alloy composition. Dissolution and passivation of 304 stainless steel in deaerated sulphuric acid has shown that chromium content exhibits two stable corrosion potentials, one related to the active, bare chromium surface, and the
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302 and 304 Stainless Steel 316 Stainless Steel Bronze Durimet Monel Hasteloy B Hasteloy C Titanium ... Oxygen and Corrosion of Steel Pipes - Oxygen concentration and temperature and the influence on corrosion of steel pipes; ... Density - Density of sulfuric acid .
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Corrosion in aqueous solutions is an electrochemical process, involving ions (electrically charged atoms) and the transfer of electrical charges at the metallic surfaces. ... To illustrate the performance of the nickel-chromium-molybdenum alloys in pure sulfuric acid, the iso-corrosion diagrams for HASTELLOY® C-276 alloy and HASTELLOY® HYBRID ...
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conditions which the stainless steel is exposed to, as well as the alloy composition. Dissolution and passivation of 304 stainless steel in deaerated sulphuric acid has shown that chromium content exhibits two stable corrosion potentials, one related to the active, bare chromium surface, and the
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Type 316 stainless steel performs without evidence of corrosion in the 100-hou, 5% salt spray (ASTM-B-117) test. Intergranular Corrosion Type 316 is susceptible to precipitation of chromium carbides in grain boundaries when exposed to temperatures in the 800° F to 1500° F (427° C to 816° C) range.
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Stainless steel 316L is very durable and resistant to chemical contaminants and acidic solutions such as bromides, sulfuric acid and chlorides. Its other characteristics include higher creep resistance, excellent formability and rupture and tensile strength at high temperatures [14].
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concentrated sulphuric acid (98 wt.%), filtration of the pulp and concentration of acid [1]. The process ... The steel with about double the strength of 316L stainless steel exhibits excellent corrosion ... formed on austenitic stainless steels with different alloying elements in an aqueous acid solution [23-25].
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Stainless steel is commonly applied for food processing equipment because of its stability in acid-base conditions. However, corrosion and metal release from the steel can occur in some situations lead to food contamination and decrease the component reliability as well. The objective of the present work is to study the corrosion behavior of austenitic stainless steel 316 L in a water solution ...
Get priceLAB CORROSION DATA FOR STAINLESS STEEL Media Temp Type Media Temp Type Media Temp Type + 304 316 + 304 316 + 304 316 ... copper sulfate B l l Conc. Solution 70 IV lll* Sugar 10% sulfuric acid + 2% Potassium oxalate l l solution H l l ferrous sulfate B lll ll Potassium sulfate Sulfur Naphthalene sulfonic acid (Dry) 70 l l 1% 70 l l fused 265 l l ...
Get priceThe tested 316L stainless steel rod has 0.2 cm2 cross-sectional area and its composition is demonstrated in Table 1. All the reagents used are of analytical grade acquired from Merck Products. Chemically ultra-pure 98% sulfuric acid (S) and 85% phosphoric acid (P) stock solutions .
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corrosion occurs in the same environments as pitting. Higher chro - mium, molybdenum, or nitrogen content enhances the corrosion resistance of the steel. Stress corrosion cracking Conventional stainless steels such as Core 304L/4307 and Supra 316L/4404 are sensitive to stress corrosion cracking (SCC) under certain conditions – i.e. a special ...
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The concentration of sulfuric acid corrosion of stainless steel Cai Chung Exceed Edited by: One.Objective: Stainless steel for most acid and alkali resistance, such as nitric acid and acetic acid, sulfuric acid was able to stainless steel caused by erosion, with the concentration of sulfuric acid for stainless steel has a different impact of erosion, the stainless steel of different ...
Get priceCorrosion in aqueous solutions is an electrochemical process, involving ions (electrically charged atoms) and the transfer of electrical charges at the metallic surfaces. ... To illustrate the performance of the nickel-chromium-molybdenum alloys in pure sulfuric acid, the iso-corrosion diagrams for HASTELLOY® C-276 alloy and HASTELLOY® HYBRID ...
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Jul 18, 2019· Hermas AA, Morad MS, A comparative study on the corrosion behaviour of 304 austenitic stainless steel in sulfamic and sulfuric acid solutions. (2008) Corros Sci 50:2710-2717 CAS
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The resistance to sulphuric acid of the 25 C:-super duplex material typically containing 1.7V0 copper (UN S S325 50) is shown in Figure 1. A comparison is made with high nickel super austenitic (UNS N08904), 25 Cr super duplex with very low Impper (UNS S32750)', 22 Cr duplex (UNS S3 1803)6 and type 316 stainless steel.
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Grades 316 and 317 offer resistance to phosphoric acid at most concentrations and sulfuric acid at concentrations below 10 percent. ... long-lasting stainless steel solution. ... Apart from general corrosion, stainless steel corrosion can take on several specialized forms.
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Dec 11, 2007· Depending on what you plan to do with the information, I would suggest caution. There are available tables of corrosion rates for 316 SS in sulfuric acid. We had a bright young project engineer that used those tables to decide that a 316 SS pump case was adequate for pumping 98% sulfuric acid to our Alky unit at less than 90 °F.
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Grades 316 and 317 offer resistance to phosphoric acid at most concentrations and sulfuric acid at concentrations below 10 percent. ... long-lasting stainless steel solution. Specialized Types of Stainless Steel Corrosion and Damage. Apart from general corrosion, stainless steel corrosion can take on several specialized forms.
Get priceElectrochemical corrosion behavior and hydrogen evolution reaction of 316L stainless steel has been investigated in 0.5 M sulfuric acid solution containing four novel organic inhibitors as derivatives from one family, using potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) measurements and surface examination via ...
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Oct 16, 2019· Study on the growth of passivation film and semiconductor properties of 316L and 2205 stainless steel in acetic acid solution [J]. Science Bulletin, 2009, 54 (1): 104 [12] Wang Xuanyi, Wu Yinshun, Zhang Lin, et al. Corrosion resistance mechanism of 316L stainless steel passivation film in .
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Title:Techniques for In Situ Corrosion Studies of 316L Stainless Steel in Sulfuric Acid Solutions. VOLUME: 2 ISSUE: 1. Author(s):R.J. Power. Affiliation:Faculty of Engineering and Applied Science, Box 21, SJ Carew Bldg., 4019-300 Arctic Avenue, Memorial University of Newfoundland, St. John's, NL A1B3X5, Canada
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9/3/2019· When the sulfuric acid-free electrolyte was used to electropolish the 316L stainless steel, the X-ray photoelectron spectroscopy (XPS) analysis shows that atomic Cr/Fe ratio of 316L stainless steel was increased from 0.802 to 1.909 after electropolishing process in the sulfuric acid-free electrolyte of phosphoric acid and glycerol.
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