Hastelloy C22 pipe bend by Chinese Oil Corporation

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

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 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.

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 is a corrosion-resistant nickel alloy that contains other chemical elements such as chromium and molybdenum. This material has high temperature resistance and excellent corrosion resistance. Hastelloy C276 is one of the Hastelloy grades used in the oil and gas industry.

Hastelloy C22 washers are composed of a nickel-chromium-molybdenum alloy that, like other high-nickel alloys, is highly ductile, making it easy to machine, weld, and fabricate into nuts, bolts, and screws. Hastelloy C-22 washers are made of Haynes International trademark alloy, also known as UNS N06022 or alloy 22 fasteners. C-22 fasteners are made from one of the more popular Hastelloy alloys. It is highly resistant to oxidizing/non-oxidizing chemicals, making it an excellent alloy for columns, heat exchangers and reactors in the chemical processing industry.

Hastelloy C276 is an extremely versatile material that has been used in a variety of harsh environments. It exhibits corrosion resistance to chloride-containing media, organic acids, oxidizing media, reducing acids, seawater and brine, and sulphur-containing flue gas. Hastelloy C276 replaces Alloy C (UNS N10002), which has slightly lower chromium and molybdenum contents. The high nickel, molybdenum and tungsten contents make them expensive compared to austenitic stainless steels. It is by far the most popular super alloy.

Hastelloy X Nippo Flange is additionally being offered in customized sizes and shapes to our customers. Hastelloy X Socket Weld Flange is extremely ductile, exhibits excellent weldability, and is definitely fabricated into industrial components. Hastelloy X Ring Joint Type Flange is a fully austenitic advanced corrosion-resistant alloy that gives resistance to both aqueous corrosion and attack at elevated temperatures. Hastelloy X Flanges has greater thermal stability than Hastelloy B-2 Flanges.

Although there are several variations of the Hastelloy nickel alloy, Hastelloy C-276 is by far the most widely used.

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.

Alloy B2 is a highly resistant material to most organic and inorganic acids. It is a reduction resistant material.

Alloy steel round bars provide good weldability without compromising the wear and impact resistance of the steel. Common uses of alloy steel round bars include structural applications in gears, fasteners, and aircraft applications.

These also enhances good resistance to pitting and crevice corrosion in tough climatic circumstances. These alloys of flanges also possess superior thermal conductivity and electrical resistivity.

HASTELLOY C276 is a Nickel-chromium-molybdenum wrought alloy that is considered the most versatile corrosion resistant alloy available. This alloy is resistant to the formation of grain boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in an as welded condition. Alloy C-276 also has excellent resistance to pitting, stress-corrosion cracking and oxidizing atmospheres up to 1900¡ãF. Alloy C-276 has exceptional resistance to a wide variety of chemical environments.

These fasteners are designed according to the quality of raw materials according to national and international standards, thus ensuring their durability and high quality.

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.

Hastelloy c22 fasteners are also resistant to wear in high temperature atmospheres and corrosive environments. Some of the environments in which these fasteners exhibit resistance are oxidizing media, reducing media, chloride environments, and sulfur environments. They are resistant to attack by chemicals such as nitric acid, chlorine, sulfur, acetic acid, organic, inorganic, phosphorus, etc.

Another feature of HASTELLOY-X fasteners is their excellent forming and welding characteristics. It can be forged and can be cold worked due to its good ductility. Common applications for Hastelloy x include use in aircraft furnaces and chemical process components.

Alloy C276 bar welding products are used as a matching composition filler material for welding C276 alloy forged and cast products in dissimilar welding applications including other NiCrMo alloys and stainless steels, as well as for surfacing or cladding of steel. Parts thermoformed in HASTELLOY C-276 alloy bar should, if possible, be solution heat treated prior to final fabrication or installation.

Hastelloy’s resistance to sulfuric acid makes it a common choice for protection from hydrogen sulfide (H2S), more commonly known as?sour gas.

Alloy N10675 is a high corrosion resistant nickel molybdenum Alloy. This alloy is characterized by a high resistance against hydrochloric acid and other reducing media in a wide range of temperature and concentration.

The distinguishing feature of Hastelloy B3 hex bolts is their ability to maintain excellent ductility during transient exposure to intermediate temperatures. Hastelloy B3 bolts are made of an alloy containing nickel and molybdenum. These bolts are resistant to corrosion, pitting and stress corrosion cracking. These bolts can also withstand a variety of acid binding environments, such as those containing sulfuric, acetic, formic, and phosphoric acids.

Each method has unique benefits and will determine the degree of bending possible and the final shape of the pipe.

The tungsten element of Hastelloy C276 pipe makes it suitable for this welding, Hastelloy C276 seamless pipe can be easily welded to other objects.

These alloys of flanges are exceptionally resistant to stress corrosion cracking petrochemical applications. Moreover, the molybdenum content results in outstanding strength in solid solution alloy that considers excellent fabrication attributes.

The outstanding oxidation resistance of HASTELLOY X pipe bend is illustrated below. Tests were conducted by exposing samples to dry air at 2000 Deg. F. and to dry air pressurized to 300 psi at 1750 Deg. F.

Hastelloy DIN NR. 2.4819 Pipe is a nickel based superalloy. Apart from its primary base alloying element, the alloy for Hastelloy C276 Pipe also contains elements molybdenum & chromium, which results in the alloy gaining certain properties.

Hastelloy C276 is a nickel-molybdenum-chromium superalloy with an addition of tungsten designed to have excellent corrosion resistance in a wide range of severe environments.Alloy C-276 is one of the most universally corrosion resistant alloys available today. It is used in a variety of environments ranging from moderately oxidizing to strong reducing conditions. Alloy C-276 has exceptional resistance to sulfuric acid, hydrochloric acid, formic acid, acetic acid, chlorides, solvents, wet chloride gas, hypochlorite and chlorine solutions.

Alloy C22 is a nickel-chromium-molybdenum solid solution strengthened super-alloy with a nominal chemical composition of 56% nickel, 22% chromium, and 13% molybdenum, with additions of iron, tungsten, and cobalt.

HASTELLOY X pipe bend is recommended especially for use in furnace applications because it has unusual resistance to oxidizing, reducing, and neutral atmospheres.

The Hastelloy UNS N10665 Pipe Flanges come under the ANSI, ASTM, DIN and other international standards with various dimensions and pressure classes.

Hastelloy Cold Drawn Tubes and Tubes – Offers good machinability, higher strength and constant degrees of freedom compared to hot rolled and cold drawn tubes. These pipes work more efficiently because their microstructure is very constant and also have increased physical properties.

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.

Hastelloy C22 fasteners are a general-purpose grade composed of chromium, nickel, molybdenum and tungsten alloys. These designs are designed to increase resistance to pitting, stress corrosion cracking (SSC) and crevice corrosion cracking. It has high chromium content and good resistance to oxidizing media. The presence of molybdenum and tungsten provides good resistance to reducing media. Its nickel content provides admirable resistance to oxidizing aqueous media.