ASTM B564 Hastelloy B3 Flanges Specifications Hastelloy B3 Flanges Manufacturer in China

Hastelloy C2000 is available in a variety of sizes and thicknesses, this type of nickel-chromium-molybdenum alloy is renowned for its superior strength and corrosion resistance.

It is able to withstand a wide range of oxidizing and non-oxidizing chemicals, and exhibits outstanding resistance to pitting and crevice attack in the presence of chlorides and other halides.

Hastelloy Alloys Directory
The Corrosion Resistant HASTELLOY alloys are widely used by the chemical processing industries. 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.

It demonstrates good resistance to neutral and reducing environments. This alloy creates a tenacious oxide, protective film that does not spall off, but it retains superior oxidation resistance at soaring temperatures.

Hastelloy C2000 Tubes are used in a broad range of industries including petrochemical processing, chemical processing equipment manufacturing, oil refineries and power plants.

This provides greatly enhanced resistance to sulfuric acid. It also has a high chromium content, to maximize its resistance to oxidizing chemicals and process streams contaminated with ferric ions and dissolved oxygen.

HASTELLOY C-276 is a nickel-chromium-molybdenum alloy with universal corrosion resistance unmatched by any other alloy. It has outstanding resistance to a wide variety of chemical process environments including ferric and cupric chlorides, hot contaminated mineral acids, solvents, chlorine and chlorine contaminated (both organic and inorganic), dry chlorine, formic and acetic acids, acetic anhydride, sea water and brine solutions and hypochlorite and chlorine dioxide solutions. Alloy C276 also resists formation of grain boundary precipitates in the weld heat affected zone making it useful for most chemical processes in the as-welded condition. It has excellent resistance to pitting and stress corrosion cracking.

The material is resistant to chlorides and acids so that the primary uses are in the acid processing, chemical, sea water and marine applications.

HASTELLOY(r) C276 can be formed by cold working using conventional techniques.

This nickel alloy also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. This is beneficial in multi- purpose plants where such ¡°upset¡± conditions occur frequently.

In Hastelloy C276 hex bolts, the chromium content is increased to about 21% and the molybdenum content is reduced to about 13%. Hastelloy C276 Heavy Duty Hex Bolts also provide optimum resistance to environments encountered in reducing and oxidizing conditions in the process stream. Due to the use of experienced qualified professionals and the latest technological machinery.

Hastelloy C-4 is a nickel-chromium-molybdenum alloy with outstanding high temperature stability. It has high ductility and corrosion resistance. It’s high temperature resistance up to 1900 ¡ãF (1038 ¡ãC) makes it suitable for most chemical process application in the “as” welded condition.
Like other nickel alloys, it is ductile, easy to form and weld, and possesses exceptional resistance to stress corrosion cracking in chloride-bearing solutions (a form of degradation to
which the austenitic stainless steels are prone). With its high chromium and molybdenum
contents, it is able to withstand both oxidizing and non-oxidizing acids, and is resistant to
pitting and crevice attack in the presence of chlorides and other halides.

Hastelloy fasteners can be used in applications involving a wide range of media, including reducing acids and oxidizing agents. As the most versatile alloy c276 fastener, it is most commonly used for bolting of all Hastelloy grade fasteners.

Today, Alloy B2 with restricted chemistry can be used in the welded condition and is less susceptible to SCC under many conditions. As always, care must taken in selecting the right alloy for the desired application.

Hastelloy C276 has a low carbon content to minimize grain boundary carbide precipitation during welding to maintain corrosion resistance in the heat affected zone of the welded joint

Light gauge steel framing is an integral part of modular construction as it is strong, lightweight, durable, accurate, free from long-term movement and is well proven in a wide range of applications.

Hastelloy C22, also known as Alloy C22, is a general-purpose austenitic grade alloy. The primary alloy materials used in Hastelloy C22 fasteners include metals such as nickel, chromium, molybdenum and tungsten. The main characteristic or characteristic of Hastelloy WERKSTOFF NR. 2.4602 Bolts are their enhanced resistance to pitting, crevice corrosion, and stress-related corrosion cracking.

Alloy B (UNS N10001) was developed to resist hydrochloric acid. Hastelloy B2 has replaced it. Alloy B3 (UNS N10675) is a newer variant with higher thermal stability. These alloy B2 bolts are a wrought nickel molybdenum alloy that can be used in the as-welded condition. It is highly resistant to hydrochloric acid of all concentrations and temperatures. Known as UNS N10665 bolts, these bolts are also resistant to stress corrosion cracking and pitting.

Hastelloy C22 machined gaskets also have the best resistance to environments that encounter reducing and oxidizing conditions in the process stream. Hastelloy C22 round washers can be welded, forged, hot upset and impact extruded. Typical chemical process industry (CPI) applications for Hastelloy C22 punch gaskets include reactors, heat exchangers and columns. Hastelloy C22 flat washers have excellent resistance to pitting corrosion, stress corrosion cracking, tool marks and weld heat affected zone erosion.

HASTELLOY X pipe bend also resists carburization and nitriding, two common conditions which often lead to early failure in high-temperature alloys. After 100 hours in petroleum coke, four other materials were completely penetrated by carburization and whereas.

Prefabricated steel s take advantage of offsite prefabrication to improve the speed or erection and cost predictability of the solution.

Hastelloy C-22 (UNS N06022) pipe bends and fittings in stock, allowing for a quick turnaround. Hastelloy C-22 has excellent resistance to aggressive oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chlorine ions.

Hastelloy B3 Weld Neck Flange is not recommended for use in the presence of ferric or cupric salts because these salts can cause premature failure.

This nickel alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition.

Hastelloy C2000 flanges are a special alloy for securing chemical process equipment under different conditions, including streams contaminated with ferric ions.

A butt weld pipe fitting is designed to be welded on site at its end(s) to connect pipe(s) together and allow change in direction or pipe diameter, or branching or ending.

This fitting then becomes part of a system for transporting fluids (oil, gas, steam, chemicals, …) in a safe and efficient manner, over short or long distances.

Otra diferencia entre la tuberia soldada Astm B626 de aleacion de niquel C276 y la aleacion C es que la tuberia de aleacion C276 tiene una mejor maquinabilidad.

A Pre-engineered steel is basically a that is made up of steel.

Las propiedades de la aleacion c276 permiten una excelente resistencia a la corrosion en areas corrosivas por agua.

Although HASTELLOY X pipe bend is primarily noted for heat and oxidation resistance it also has good resistance to chloride stress-corrosion cracking and has good resistance to carburization, excellent resistance to reducing or carburizing atmospheres.

Nickel alloys are alloys with nickel as principal element. Complete solid solubility exists between nickel and copper. Wide solubility ranges between iron, chromium, and nickel make possible many alloy combinations.Steel plates are often used for structural and construcation applications, pressure vessels, marine and off shore equipment, and military applications. The grade, elements and parameters of a steel plate are also improtant in how it is used.

Hastelloy Nickel Alloy B2 is a very chemically resistant alloy with high resistance to pitting and stress corrosion cracking in the heat affected zone. In particular, this alloy performs well in harsh environments such as sulfuric acid, hydrogen chloride and phosphoric acid. This nickel-molybdenum alloy is typically used under extreme reducing conditions and has a much lower composition of carbon, silicon and iron than Hastelloy B (Alloy B). Screws made from this alloy are also known as UNS N10665 fasteners.

Hastelloy can be used with all common welding methods, but oxyacetylene and submerged arc processes are not recommended when the manufactured product is intended for corrosion service.

Nickel- and cobalt-based corrosion-, temperature- and wear-resistant alloys, such as Hastelloy B2, are classified as moderate to difficult when machined, but it should be emphasized that these alloys can be produced at satisfactory speeds using conventional production methods processing. During machining, these alloys harden rapidly, generate high heat during cutting, weld to the cutting tool surface, and provide high resistance to metal removal due to their high shear strength.

The best feature of Hastelloy C22 threaded flanges is that it has the best resistance to oxidizing aqueous media and a wide range of chemical process environments, including oxidizers like ferric acids, seawater, and chloride solution.

The flange is second most used joining method after selding. Flanges are used when joints need dismantling. It provides flexibility for maintenance. Flange connects the pipe with various equipment and valves. Breakup flanges are added in the pipeline system if regular maintenance in required during plant operation.
A flanged joint is composed of three separate and independent although interrdlated components; the flanges, the gaskets, and the bolting; which are assembled by yet another influence, the fitter. Special controls are required in the selection and application of all there elements to attain a joint, which has acceptable leak tightness.
A flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength (as the flange of an iron beam such as an I-beam or a T-beam); for easy attachment/transfer of contact force with another object (as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera); or for stabilizing and guiding the movements of a machine or its parts (as the inside flange of a rail car or tram wheel, which keep the wheels from running off the rails). The term “flange” is also used for a kind of tool used to form flanges.