B3 alloy has a special chemistry designed to achieve a level of thermal stability greatly superior to that of its predecessors, e. Hastelloy b2 uns n010665 offers great resistance to stress corrosion cracking and pitting. Corrosion resistant alloys cra austenitic stainless steels 304, 321, 316 etc. 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. The following corrosionresistant alloys are covered in this brochure. Temperature uses vary from ambient temperature to 1500f depending on the environments please call for technical advice. A nickelmolybdenum alloy with outstanding resistance to hydrochloric and sulfuric acids in the. 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 b3 alloy is available in the form of plate, sheet, strip, billet, bar, wire, pipe and tubing. A nickel molybdenum alloy with outstanding resistance to hydrochloric and sulfuric acids in the. A wide variety of hastelloy b2 options are available to you, such as hexagon.
This alloy is suitable for most chemical process applications. 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. You can also choose from round hastelloy b3, as well as from nickel wire, nickel bar, and nickel pipe hastelloy b3. Hastelloy b3 is manufactured for providing excellent resistance to reducing acids at the different content %s and temperature limits. It also withstands sulfuric, acetic, formic and phosphoric acids, and. You can also choose from not powder, is powder hastelloy b2, as well as from equal, round hastelloy b2, and whether hastelloy b2. Hastelloy b2, nimofer 6928 hastelloy b2 is a nickelbase wrought alloy with excellent resistance to hydrochloric acid at all concentrations and temperatures. To compare the performance of hastelloy c276 alloy with that of other materials, it is useful to plot the 0. 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. Flue gas from another nickel converter containing 5% so2. Hastelloy b2 flanges are available in different grades and sizes, shapes.
Therefore, it has great resistance to stresscorrosion cracking and pitting. Alloy c276, with a high nickel contents, is immune to chlorideinduced stress corrosion cracking. 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. This nickelmolybdenum alloy gives excellent resistance to hydrochloric acid at all concentrations and temperatures from ambient to high. Chemical processing, nuclear fuel processing, marine applications. Hastelloy c276 flanges, hastelloy uns n10276 long weld. Hastelloy b2 is an ideal material for using in the diverse chemical processes in the aswelded situation. They contain many elements in a variety of combinations so as to achieve the desired result. B3 alloy has excellent resistance to pitting corrosion, to. Shaped, flat, square, round, fine wire, plated and bare wire speci. 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 c4 hastelloy c4 alloy is a nickelchromiummolybdenum hastelloy alloy with good hightemperature stability. Applications hastelloy b3 alloy is suitable for use in all applications previously requiring the use of hastelloy b2 alloy. 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.
Martensitic, ferritic, precipitation hardened stainless steels. Chemical composition of hastelloy alloy hastelloy b b2 c. A wide variety of hastelloy b3 options are available to you, such as not powder, is powder. The high molybdenum content makes the alloy particularly resistant to pitting and. Depending on the desired combination of properties, hastelloys contain varying amounts of mo. Applications hastelloy b3 alloy is suitable for use in all applications previously requiring the use of. Examples of the possible uses of our highperformance.
Hastelloy b2 butt weld fittings, hastelloy b2 elbows. It belongs to the family of nickelmolybdenum alloys and has an average. Figure 2 userdefined alloy in corrosion rate units converter. Hastelloy b hastelloy b2 hastelloy c276 hastelloy c22 monel 400 harsh corrosive chemicals processes, hydrofluoric acid, caustic soda, potash liquor,and sulfuric acid. Hastelloy c276 tubing is also known as alloy c276 seamless nickel tubing which are widely used in variety of. Alloy bhas excellent resistance to hydrochloric acid at all concentrations and temperatures. Hastelloy b3 alloy is an additional member of the nickelmolybdenum family of alloys with excellent resistance to hydrochloric acid at all concentrations. Hastelloy b2 alloy b2, uns n10665 ulbrich stainless steels.
Hastelloy b3 datasheet,hastelloy b3 chemical,hastelloy b3. Applications in the chemical process industry involving sulfuric, phosphoric, hydrochloric and acetic acid. Hastelloy b3 alloy uns n10675 exhibits extremely high resistance to pure hydro chloric, hydrobromic, and sulfuric acids. Hastelloy c276 uns n10276 en nimo16cr15w flanges manufacturer hastelloy c276 flanges we are also manufacturer, supplier and exporter of hastelloy c276 werkstoff nr.
Hastelloy b2 is a nickelmolybdenum alloy particularly suited for equipment handling reducing chemical environments. As such, they have several key characteristics in common. 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. B3 alloy has excellent resistance to pitting corrosion, to stresscorrosion cracking and to knifeline and heataffected zone attack. Hastelloy b2 buy hastelloy b2 round bar, hastelloy b2. Hastelloy article about hastelloy by the free dictionary.
With cold forming grades over 15%, a final solution annealing is. It is resistant to nonoxidizing acids and avoids the production of embrittlement phase in the welded form. Hastelloy c276 is a nickel molybdenum chromium superalloy with additions of iron and tungsten composition ni57% mo16% cr15. Hastelloy b2 offers great resistance to reducing acids, organic acids and stress corrosion cracking. Hastelloy c276 alloy is an improved wrought version of hastelloy alloy c. Hastelloy is one of the best nickelbased steel alloys exhibit high resistance to corrosion. This nickelchromiummolybdenum alloy tolerates high temperatures and gives a design freedom in areas where weld geometry makes excessive heat buildup unavoidable. 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. Technical specifications of american high temperature alloys hastelloy b3 datasheet,hastelloy b3 chemical compositions, grade hastelloy b3. Examples of the possible uses of our highperformance materials.
Hastelloy b3 alloy is an additional member of the nickelmolybdenum family of alloys with excellent resistance to hydrochloric acid at all concentrations and. Hastelloy c276 hastelloy c276 is among the more well known hastelloy grades for general corrosion service. One of a series of alloys known for their high corrosion resistance at high temperatures. Hastelloy the name of a group of corrosionresistant nickel alloys, namely the nimo and the nicrmo alloys. Hastelloy b2 distributor in the usa hastelloy b2 is a nickelmolybdenum alloy which is an improved wrought version of hastelloy b. In the following graphs, the lines for c276 alloy are compared with those of two. Hastelloy b2 is a solid solution strengthened, nickelmolybdenum alloy, with significant resistance to reducing environments like. The high molybdenum and chromium contents allow the alloy to perform in oxidising, non. Applications in the chemical process industry involving sulfuric, phosphoric.
Pdf several families of commercial corrosion resistant high nickel alloys. Pdf stress corrosion cracking scc of nickelbased alloys. Like b2 alloy, b3 is not recommended for use in the presence of ferric or cupric salts as these salts may cause. It also withstands sulphuric, acetic, formic and phosphoric acids. Uns n10276 nimo 16 cr 15 w alloy corrosion resistant alloy foils available from diameter 0. Corrosion rate units converter, conversion between all corrosion. Hastelloy alloy b2 uns n10665 high performance alloys. The improved thermal stability of hastelloy b3 alloy minimizes the problems associated with fabrication of b2 alloy components. 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.