Hastelloy C22 pipe bend by Chinese Oil Corporation

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.

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

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 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 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 B3 studs are suitable for all applications that previously required the use of Hastelloy B2 alloy. Due to the enhanced thermal stability of Hastelloy B3 square bolts, the problems associated with manufacturing Hastelloy B2 parts are reduced.

Forged Pipe Fittings(Socket Weld and Threaded) are made in accordance to ASME B 16.11, MSS-SP-79/83/95/97 and BS3799 Standards, and are used to connect nominal bore schedule pipes and pielines.

Steel Plate are often used for structural and construction applications, pressure vessels, marine and offshord equipment, and military applications. The grade, elements and parameters of a steel plate are also important in how it is used.
Steel plates are classified by thickness: thin plate, medium plate, thick plate and extra-thick plate.
Thin steel plates are steel plates with a thickness between 0.2-4mm produced by hot rolling or cold rolling, and thick steel plates are those with a thickness of more than 4mm
The general name of the good board.
Thin steel plate refers to a steel plate with a thickness of not more than 3 mm. The commonly used thin steel plate thickness is 0.5-2MM, which is divided into sheet and coil supply. Thin
The steel plates are generally B-type steels, cold-rolled or hot-rolled steel plates with steel grades B0-B3. Requirements for thin steel plates: smooth, smooth surface, thick
The degree of uniformity, allowing a tight iron oxide film, must not have cracks, scarring and other defects. The process is divided into hot rolled sheet steel and cold rolled sheet
plate. Mainly used in Changlin Dongfeng fans, automobiles, electrical equipment, vehicles, agricultural machinery, containers, steel furniture, etc.
Thick steel plates refer to steel plates with a thickness greater than millimeters. Thick steel plate is divided into extra-thick steel plate and medium-thick steel plate.
Medium and heavy steel plates refer to steel plates with a thickness greater than 3 mm and less than 50 mm. Medium and thick steel plates are mainly used in shipbuilding, boilers, bridges
Armor and high-pressure vessel shells, etc.
Extra-thick steel plate refers to a steel plate with a thickness of not less than 50 mm. Extra-thick steel plates are mainly used in shipbuilding, boilers, bridges and high-pressure vessel shells
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Our Hastelloy B2 Lap Joint Flanges are also being offered in customized sizes and shapes to our customers. The extremely low carbon and silicon content of these Hastelloy B2 Socket Weld Flanges reduces precipitation of carbides and other phases in the heat ¨C affected zone of welds and ensures adequate corrosion resistance even in the welded condition.

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.

Hastelloy tube has a melting point of 1370 degrees Celsius and is used in power generation, petrochemical, gas processing and chemical equipment. In addition, Werkstoff 2.4819 Hastelloy c-276 tubing is used in industries such as seawater equipment, offshore oil drilling, and paper and pulp.

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.

Hastelloy C-22 is identified by the Unified Numbering System (UNS) designation of?N06022. It is a nickel based alloy with high nickel (56%), chromium (22%), and molyddenum (13%).

These alloys can function at very high temperatures and in severe mechanical stress environments, and also where high surface stability is required. They have high creep and oxidation resistance.

While there are slight variances to different hot pipe bending methods, nearly all are a form of induction bending.

UNS N10276 Sheets has excellent resistance to pitting corrosion, pressure corrosion cracking and a far higher resistance to crevice corrosion than steels of alloy.

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.

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.

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.

Hastelloy X is a nickel base alloy that possesses exceptional strength and oxidation resistance up to 2200¡ãF. This nickel steel alloy has also been found to be exceptionally resistant to stress-corrosion cracking in petrochemical applications.

La aleacion C276 se considera una de las listas de productos de superaleaciones. Las superaleaciones (o metales especiales) se utilizan en entornos hostiles debido a su capacidad para manejar condiciones corrosivas.

Hastelloy C-2000 Fastener, also known by many as Alloy C-2000, is a versatile nickel-chromium-molybdenum alloy with excellent resistance to stress corrosion cracking and pitting corrosion. The C-2000 fastener (UNS N06200) is unique among other Hastelloy alloys with approximately 1.6% copper added to its chemical composition. These properties make them ideal for applications such as heat exchangers and industrial reactors.

HASTELLOY X is a wrought nickel-based alloy with excellent high temperature strength and oxidation resistance. All product forms are excellent in forming and welding. Although HASTELLOY X is primarily known for its heat and oxidation resistance, it also has good resistance to chloride stress corrosion cracking and good carburization, as well as excellent resistance to reducing or carburizing atmospheres. Alloy X is one of the most widely used nickel-based superalloys for gas turbine engine components.

The low carbon content in the 2.4819 alloy C276 tube minimizes carbide precipitation. Carbide precipitation is a phenomenon that occurs during welding of various alloy grades.

The flange is second most used joining method after welding. Flanges are used when joints need dismantling. It provides flexbility for maintenance. Flange connects the pipe with various equiment and valves. Breakup flanges are adde din the pipeline system if regular maintenance in required during plant operation.
A flanged joint is composed of three separate and independent although interrelated components; the flanges, the gaskets, and the bolting; which are assembled by yet another influence, the fitter. Special controls ae required in the selection and application of all these elements to attain a joint, which has acceotable leak tightness.

They combine the outstanding resistance to the oxidizing medium of Hastelloy C276 with superior resistance to non-oxidizing situations.

INCONEL C-276 alloy has excellent resistance to a wide variety of chemical process environments, including strong oxidizers such as ferric and cupric chlorides, hot contaminated media (organic and inorganic), chlorine, formic and acetic acids, acetic anhydride, and seawater and brine solutions.

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.

Hastelloy C-276 is available in the form of plate, sheet, strip, billet, bar, wire, covered electrodes, pipe, tubing, pipe fittings, flanges, fittings.

C22 can be hot worked or cold worked. However, C22 work-hardens rapidly. Therefore, cold working must often be performed in stages with intervening anneals. Parts should be annealed after cold working.

G30 alloy can prevent the formation of grain boundary precipitation in the heat affected zone of welding, so its welded products are suitable for various chemical treatment engineering applications.

Hastelloy C22 weld neck flanges have the best resistance to pitting and stress corrosion cracking.

Hastelloy C276 Fastener is a wrought corrosion resistant alloy that resists the development of grain boundary precipitates that reduce corrosion resistance. C276 alloy fasteners have good machinability and are used for desulfurization of flue gas equipment and chemical process equipment. Hastelloy C276 bolts are commonly used to hold materials or objects together, or to position objects. A fastener that usually consists of a head on one end and a chamfer on the other. It is typically used in solution treated condition and soaked at 1121¡ãC (2050¡ãF) and then flash quenched.

C22 nickel alloy fasteners offer better overall corrosion resistance than its sister alloy Hastelloy C-276, and more specifically, it offers better protection when used in certain saturated wet chlorine environments. Additionally, its high chromium content provides C22 fasteners with better resistance to oxidative media than C276. This makes it excellent resistance to chloride-induced pitting, although in most cases C-276 fasteners are a more cost-effective option due to their availability, especially in sizes smaller than 1/ 2″ case.

NAS NW276 is a Ni Cr Mo alloy with excellent corrosion resistance in both oxidizing and reducing atmospheres. In this alloy, carbide precipitation in the heat affected zone (HAZ) is suppressed and corrosion resistance is improved by reducing the contents of C and Si.