Hastelloy b2 is a solid solution strengthened, nickelmolybdenum alloy, with significant resistance to reducing environments like hydrogen chloride gas, and sulfuric, acetic and phosphoric acids. Chemical composition of test material hastelloy c22 astm b57597, uns06022. The c2000 alloy combines outstanding resistance to oxidizing media with superior resistance to nonoxidizing environments and represents a true performance breakthrough for chemical process equipment applications. It is used in pharmaceutical and related industries. Good ductility while prolong exposures at medium temperatures. Nicrmo alloy hastelloy b3 withstands vigorously corrosive acidic media such as hydrochloric acid, sulfuric acid, formic acid, phosphoric acid and other reducing conditions. Applications hastelloy b3 alloy is suitable for use in all applications previously requiring the use of hastelloy b2 alloy. Molybdenum is the primary alloying element which provides. To compare the performance of hastelloy c276 alloy with that of other materials, it is useful to plot the 0. You can use this pdf reader to view your pdf, with no need for an additional viewer application on your computer. Wear tests were conducted in a simulated face seal apparatus of hastelloy b mated against a resinbonded graphite. All of the common methods of welding can be used to weld hastelloy c276 alloy, although the oxyacetylene and submerged arc p r ocesses are not re c o m m e n d e d. Hastelloy b3 alloy is comprised of good chemical structure to obtain the fine thermal stabilization. Il existe une centaine dalliages differents dhastelloy marques b, c, d, m, n s.
Highly molybdenumalloyed materials hastelloy bc1 2. The need for reliable performance leads to their acceptance and growth in the areas of energy, health and environmental, oil and gas, pharmaceutical and. Hastelloy alloys directory the corrosionresistant hastelloy alloys are widely used by the chemical processing industries. Hastelloy alloy c276 supplied by siddhagiri metals and tubes is a high quality nickel alloy with uns n10276 and wnr 2. This nickel steel alloy has also been found to be exceptionally resistant to stresscorrosion cracking in petrochemical applications. Therefore, it has great resistance to stresscorrosion cracking and pitting. Click a pdf in your onedrive or team site library, and you might notice that it opens automatically in your browsers builtin pdf reader. Whereas b2 alloy suffers from the rapid formation of ni 4 mo at around 750c, it takes several hours at around 650c, to induce deleterious second phases in b3 alloy. Hastelloy c22 complete alloy overview central states industrial. Pdf corrosion resistance of current collector materials in. The raw material of these fasteners is renowned as registered trademarks like hastealloy. Alloy c276 data sheet uns n10276 alloy c276 uns designation n10276 is a nickelmolybdenumchromiumirontungsten alloy known for its corrosion resistance in a wide range of aggressive media. It gives outstanding resistance to nonoxidizing acids at the whole magnitudes and temperature limits.
Hastelloy b2 uns n10665 hastelloy b3 uns n10675 summary. It typically contains 22% chromium, % molybdenum, and less than 3% iron. Like b2 alloy, b3 is not recommended for use in the presence of ferric or cupric salts as these salts may cause. The chemical composition of nickel b3 makes it a more stable alloy than nickel b2, hence more. In the following graphs, the lines for c276 alloy are compared with those of two popular, austenitic stainless steels 316l and 254smo, and a lowermolybdenum nickel alloy 625, in hydrochloric and sulfuric acids. Hastelloy b3 alloy, uns n10665, resistance to hydrochloric acid and other strongly reducing chemicals but has poor corrosion resistance to oxidizing chemicals and in the presence of ferric or cupric salts. In addition to outstanding resistance to all manner of pitting and cracking, parts made from hastelloy metal blends tend to find good use across a wide range of chemical applications that might otherwise oxidize the metal. In addition, hastelloy b2 has excellent resistance to pitting and stress corrosion cracking. Hastelloy c22 uns n06022 is a highly corrosionresistant nickel alloy. Hastelloy c276 hastelloy c276 is among the more well known hastelloy grades for general corrosion service. Many nickelbased steel alloys exhibit high resistance to corrosion, and hastelloy is one of the best. Hastelloy b2 reducing acid corrosion resistant alloy. The most versatile of the hastelloy alloys are the ctype alloys. Hastelloy x alloy plate, sheet, strip, bar, tubing and pipe are covered by asme specifications sb435, sb572, sb619, sb622 and sb626 under uns number n06002.
It is one of the most corrosion resistant alloys currently available. Hastelloy b3 alloy is available in the form of plate, sheet, strip, billet, bar, wire, pipe and tubing. Pdf chlorideinduced corrosion at elevated temperature is the major. Haynes international hastelloy c2000 alloy comparative 0. Ideal for handling reducing acids at the elevated temperatures. Hastelloy b3 is manufactured for providing excellent resistance to reducing acids at the different content %s and temperature limits. Find, read and cite all the research you need on researchgate. Hastelloyr b2 is mainly used in chemical process equipment. Since 1990, supplying and distributing exotic stainless steels, nickel alloys, duplex stainless, super duplex and other superalloys has been and still remains mega mexs core competency. Hastelloy b2 alloy b2, uns n10665 shaped, flat, square, round, fine wire, plated and unplated astm b333 hastelloyb 2 alloy description alloy bhas excellent resistance to hydrochloric acid at all concentrations and temperatures.
Hastelloy c276 alloy is an improved wrought version of hastelloy alloy c. This is because it offers resistance to an arrangement of granule margin carbide precipitates in the weld heating zones that have minimized precipitation of carbides and other forms to ensure the uniform resistance to corrosion. Metal supplier, metal distributor of nickel alloys. Hastelloy b2 is an ideal material for using in the diverse chemical processes in the aswelded situation. B3 alloy has excellent resistance to pitting corrosion, to stresscorrosion cracking, and to knifeline and heataffected zone attack. Hastelloy b3 is a nickelmolybdenum alloy with excellent resistance to pitting, corrosion, and stresscorrosion cracking plus, thermal stability superior to that of alloy b2.
Hastelloy b2 is a nickel based alloy particularly suited for handling reducing acids at high concentrations and temperatures. Our vast array of product forms includes plate, pipe pipe fittings, flanges, sheet, bar, tube, wire and weld wire. Alloy b2 is a solidsolution strengthened nickel alloy which is normally used in extreme reducing conditions. Also, hastelloy c2000 alloy work hardens more read. As an advanced nickel alloy, hastelloy b2 provides stresscorrosion cracking and pitting resistance. Below is a chart comparing hastelloy c22, hastelloy c276 and inconel 625 on hydrochloric acid, as well as other acids. Detailed view of the fracture surface showing nonbonded area. The wear behavior of hastelloy b against graphite in a simulated. View, print, and edit pdfs in a pdf reader onedrive. Hastelloy c4 hastelloy c4 alloy is a nickelchromiummolybdenum hastelloy alloy with good hightemperature stability.
Hastelloy b2 spring washers are available in hot forged,cold forged and bar stock machined conditions depending upon the order quantity. Hastelloy x is a nickelchromiumironmolybdenum superalloy with outstanding high temperature strength, oxidation resistance, and fabricability. Hastelloy b2 buy hastelloy b2 round bar, hastelloy b2. Hastelloy is one of the best nickelbased steel alloys exhibit high resistance to corrosion. Hastelloy c2000 alloy uns n06200 is unique among the versatile nickelchromi ummolybdenum. A nickelmolybdenum alloy with outstanding resistance to hydrochloric and sulfuric acids in the.
Hastelloy c276 tubing is also known as alloy c276 seamless nickel tubing which are widely used in variety of industries for critical applications such as marine engineering, waste treatment, pollution control, bleach plant, chemical processing, paper pulp etc. This material also resists hydrochloric acid at all. Chemical composition of hastelloy alloy hastelloy b b2 c. Pdf corrosion behaviour of hastelloy c22 in alkali salt environment. The need for reliable performance leads to their acceptance and growth in the areas of energy, health and environmental, oil and gas, pharmaceutical and flue gas desulfurization industries. Office tools downloads adobe reader by adobe systems incorporated and many more programs are available for instant and free download. With cold forming grades over 15%, a final solution annealing is required in order to obtain optimum corrosion resistance. What is hastelloy forging hastelloy alloys b, c, c276. H2122 corrosionresistant alloys contents principal features 3 chemical composition 3 physical properties 4 corrosion data 5. The materials low carbon content helps maintain the materials resistance to corrosion in heataffected zones of welded joints. Hastelloy b2 hydrochloric acid corrosion performance hastelloy b3 hydrochloric acid corrosion performance.
In the following graphs, the lines for c2000 alloy are. Although the alloy tends to workharden, it can be successfully deepdrawn, spun, p r ess formed or punched. B3 alloy has excellent resistance to pitting corrosion, to. This is due to the judicious use of minor elements and a shift in the molybdenum content, to induce the slowlyforming ni 3 mo instead. Hastelloy b2 uns n010665 offers great resistance to stress corrosion cracking and pitting. Being a ped certified fasteners manufacturer by tuv rheinland,our fasteners are accompanied with en 10204 3. A corrosionresistant solidsolution nickelmolybdenum alloy, hastelloy b2 exhibits excellent corrosion resistance in aggressive reducing media such as hydrochloric acid in a wide range of temperatures and concentrations, as well as in mediumconcentrated sulphuric acid even with limited chloride contamination. In addition, this nickel steel alloy has great resistance to knifeline and heataffected zone attack. Molybdenum is the primary alloying element which provides significant corrosion resistance to reducing environments.
Heattreatment wrought forms of hastelloy x alloy are furnished in the solution heattreated condition unless otherwise specified. Hastelloy alloys directory american special metals, corp. The high molybdenum content imparts resistance to localized corrosion such as. Therefore, when hastelloy b2 alloy is used in conjunction with iron or copper piping in a system containing hydrochloric acid, the presence of these salts could cause b2 alloy to fail prematurely. Hastelloy c276 alloy can be f o r ged, hotupset and impact e x t r uded. Exposure of b2 alloy to temperatures from f 538c to 1600f 870c should be avoided because of a reduction in the ductility of the alloy. Hastelloy nickel alloys provide excellent corrosion resistance at high temperatures, making them ideal for chemical applications.
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