The Difference Between Various Hastelloy

Hastelloy grades: Hastelloy C276, Hastelloy C22, Hastelloy C-2000, Hastelloy C-4, Hastelloy C, Hastelloy B, Hastelloy B-2, Hastelloy B-3, Hastelloy X, Hastelloy G-30, Hastelloy G-35, etc. .

Hastelloy grades: Hastelloy C276, Hastelloy C22, Hastelloy C-2000, Hastelloy C-4, Hastelloy C, Hastelloy B, Hastelloy B-2, Hastelloy B-3, Hastelloy X, Hastelloy G-30, Hastelloy G-35, etc. .

Here are some references

The most commonly used Hastelloy C-276 alloy, nickel chromium molybdenum alloy, high temperature and corrosion resistance.

Overview of Hastelloy C-276 features and application areas:

The alloy has excellent corrosion resistance to most corrosive media in the oxidized and reduced state. Excellent resistance to pitting corrosion, crevice corrosion and stress corrosion cracking. The alloy is suitable for various chemical process industries containing oxidizing and reducing media. The higher content of molybdenum and chromium makes the alloy resistant to chloride ions, and the tungsten element further improves its corrosion resistance. Hastelloy C-276 is one of the only materials that can resist the corrosion of wet chlorine gas, hypochlorite and chlorine dioxide solution. Iron and copper chloride).

Similar brands of Hastelloy C-276:

W.Nr.2.4819 NiMo16Cr15W (Germany) NC17D (France)

Hastelloy C-276 metallographic structure:

The alloy has a face-centered cubic lattice structure.

Hastelloy C-276 process performance and requirements:

• 1. The lower the sulfur content in thermally processed fuel, the better. The sulfur content in natural gas should be less than 0.1%, and the sulfur content in heavy oil should be less than 0.5%.
• 2. The hot working temperature range of the alloy is 1200 ℃ ～ 950 ℃, and the cooling method is water cooling or rapid air cooling.
• 3. Suitable for welding by any traditional welding process, such as tungsten electrode inert gas shielded welding, plasma arc welding, manual sub-arc welding, metal inert gas shielded welding, and molten electrode inert gas shielded welding.
• Main specifications of Hastelloy C-276:

Hastelloy C-276 seamless tube, Hastelloy C-276 steel plate, Hastelloy C-276 round steel, Hastelloy C-276 forging, Hastelloy C-276 flange, Hastelloy C-276 ring, Hastelloy C-276 welded pipe, Hastelloy -276 steel belt, Hastelloy C-276 straight bar, Hastelloy C-276 wire and supporting welding materials, Hastelloy C-276 processed parts, etc.

HASTELLOY C-22 is Hastelloy series material, nickel-based alloy, high temperature resistant and corrosion resistant

Hastelloy C-22 grades:

Hastelloy, C-22, INCONEL Alloy C-22, HC-22, Hastelloy C-22, UNS N06022, W.-Nr. 2.4602, ATI C-22, Nicrofer 5621 hMoW-Alloy C-22, NAS NW22, NS338, inconel622

Hastelloy C-22 Executive Standard:

ASTM B575 / ASME SB-575, ASTM B574 / ASME SB-574, ASTM B622 / ASME SB-622, ASTM B619 / ASME SB-619, ASTM B366 / ASME SB-366, ASTM B564 / ASME SB-564

Hastelloy C-22 heat treatment:

Insulate at 1150-1175 ° C for 1-2 hours, quickly air-cooled or water-cooled.

Features of Hastelloy C-22:

Hastelloy C-22 alloy is a QUAN capable nickel-chromium-molybdenum-tungsten alloy, which has better overall corrosion resistance than other existing nickel-chromium-molybdenum alloys, including Hastelloy C-276, C4 alloy and 625 alloy. Hastelloy C-22 alloy has good resistance to pitting corrosion, crevice corrosion and stress corrosion cracking. It has excellent resistance to oxidizing aqueous media, including wet chlorine, nitric acid or mixed acids containing oxidizing acids containing chloride ions. At the same time, Hastelloy C-22 alloy also has the ideal ability to resist the reducing and oxidizing environments encountered during the process. Relying on the performance of this kind of WAN, it can be used in some headache environments or applied in a variety of production purpose factories. Hastelloy C-22 alloy has exceptional resistance to various chemical environments, including strong oxidizing substances such as ferric chloride, copper chloride, chlorine, thermally contaminated solutions (organic and inorganic), formic acid, acetic acid, acetic anhydride, Seawater and salt solutions. Hastelloy C-22 alloy has the ability to resist the formation of grain boundary precipitation in the heat affected zone of the welding, so that it can also be adapted to many chemical process applications in the welded state.

Metallographic structure of Hastelloy C-22:

Hastelloy C-22 has a face-centered cubic lattice structure.

Corrosion resistance of Hastelloy C-22:

Hastelloy C-22 alloy is suitable for various chemical process industries containing oxidizing and reducing media. The higher content of molybdenum and chromium makes the alloy resistant to chloride ions, and the tungsten element further improves its corrosion resistance. Hastelloy C-22 is one of the only materials that can resist the corrosion of wet chlorine gas, hypochlorite and chlorine dioxide solution. The alloy has significant corrosion resistance to high concentration chloride salt solution (such as chlorination) Iron and copper chloride).

Hastelloy C-22 application areas:

Hastelloy C-22 alloy has been widely used in chemical and petrochemical fields, such as components and catalytic systems that come into contact with organic compounds containing chloride. This material is particularly suitable for use in high temperature, inorganic and organic acids mixed with impurities (such as formic acid and acetic acid), seawater corrosive environment.

Application areas are: power plant desulfurization and denitrification, environmental protection, petrochemical equipment, coal chemical industry, fluorine chemical industry, fine chemical industry, PTA, aviation manufacturing, offshore platforms, seawater desalination, paper machinery, pharmaceutical equipment, heat exchange equipment, electrochemistry, metallurgy, nuclear energy Chlor-alkali, shipbuilding, cement manufacturing, composite board, acetic acetic anhydride, salt-making and plate heat exchangers, bellows expansion joints and other industries and products.

Hastelloy C-22 Other application areas:

• 1. Acetic acid / acetic anhydride
• 2. Pickling
• 3. Cellophane manufacturing
• 4. Chlorination system
• 5. Complex mixed acid
• 6. Roller for electrogalvanizing tank
• 7. Expansion bellows
• 8. Flue gas cleaner system
• 9. Geothermal well
• 10. Hydrogen fluoride furnace cleaner
• 11. Incinerator cleaning system
• 12. Nuclear Fuel Regeneration
• 13. Insecticide production
• 14. Phosphoric acid production
• 15. Pickling system
• 16. Plate heat exchanger
• 17. Selective filtration system
• 18. Sulfur dioxide cooling tower
• 19. Sulfonation system
• 20. Tube heat exchanger
• 21. Surfacing valve

Hastelloy C-22 main specifications:

Hastelloy C-22 seamless tube, Hastelloy C-22 steel plate, Hastelloy C-22 round steel, Hastelloy C-22 forgings, Hastelloy C-22 flange, Hastelloy C-22 ring, Hastelloy C-22 welded pipe, Hastelloy C- 22 steel strip, Hastelloy C-22 straight bar, Hastelloy C-22 wire and supporting welding materials, Hastelloy C-22 round cake, Hastelloy C-22 flat steel, Hastelloy C-22 hexagonal bar, Hastelloy C-22 size head, Hastelloy C-22 elbow, Hastelloy C-22 tee, Hastelloy C-22 machined parts, Hastelloy C-22 bolts and nuts, Hastelloy C-22 fasteners, etc.

Hastelloy C-2000 / N06200

Corresponding grade: W.NR 2.4675 UNS N06200 AWS 055 NS345 00Cr20Mo16

Applicable standards: ASTM B619 ASTM B574

The development of Hastelloy C-2000 expands the application range of single alloy. Hastelloy C-2000 is an alloy that adds copper to a nickel-chromium-molybdenum system and is resistant to a range of corrosive chemicals including sulfuric acid, hydrochloric acid, and hydrofluoric acid. The combination of molybdenum and copper provides excellent corrosion resistance to reducing media, where the higher chromium content gives it good oxidation resistance.

Application areas include: chemical machining hastelloy

Main specifications of Hastelloy C-2000:

Hastelloy C-2000 seamless tube, Hastelloy C-2000 steel plate, Hastelloy C-2000 round steel, Hastelloy C-2000 forgings, Hastelloy C-2000 flange, Hastelloy C-2000 ring, Hastelloy C-2000 welded tube, Hastelloy C-2000 2000 steel belt, Hastelloy C-2000 straight bar, Hastelloy C-2000 wire and supporting welding materials, Hastelloy C-2000 round cake, Hastelloy C-2000 flat steel, Hastelloy C-2000 hexagonal bar, Hastelloy C-2000 size head, Hastelloy C-2000 elbow, Hastelloy C-2000 tee, Hastelloy C-2000 machined parts, Hastelloy C-2000 bolts and nuts, Hastelloy C-2000 fasteners

Hastelloy B-2 (UNS N10665), nickel molybdenum alloy

Overview of Hastelloy B-2 features and application areas:

The nickel and molybdenum alloy Hastelloy B-2 has extremely low carbon and silicon content, which reduces the precipitation of carbon and other impurity phases in the heat affected zone of the welding, so its welds also have sufficient corrosion resistance. Hastelloy B-2 has good corrosion resistance in reducing media, such as hydrochloric acid solutions at various temperatures and concentrations. It also has good corrosion resistance in medium concentration sulfuric acid solution (or contains a certain amount of chloride ion). It can also be used in acetic acid and phosphoric acid environments. The alloy material can have the best corrosion resistance only in the appropriate metallographic state and pure crystal structure. It has a wide range of applications in the fields of chemistry, petrochemicals, energy manufacturing and pollution control, especially in industries such as sulfuric acid, hydrochloric acid, phosphoric acid, and acetic acid.

Similar brands of Hastelloy B-2:

NS322 (China), NiMo28 (France), W.Nr. 2.4617 (Germany), 00Ni70Mo28, N10665

Hastelloy B-2 metallographic structure:

Hastelloy B-2 is a face-centered cubic lattice structure. By controlling the iron and chromium content to the minimum, the processing brittleness is reduced, and the precipitation of Ni4Mo phase between 700-870 ° C is prevented.

Hastelloy B-2 process performance and requirements:

• 1. Heat to the required temperature as quickly as possible. Hot working temperature range is 1160 ℃ ～ 900 ℃.
• 2. The average grain size of the alloy is closely related to the degree of deformation of the forging and the final forging temperature.
• 3. The adhesion of oxides, oxidation colors and welding slag around the welding surface is stronger than that of stainless steel. It is recommended to use a fine-grained abrasive belt or a fine-grained grinding wheel for polishing.
• 4. The alloy should be machined after annealing. Due to the higher work hardening rate of the material, it is advisable to use a lower cutting speed and heavy feed than the low alloy standard austenitic stainless steel to process the cold work hardened surface layer. below.

Hastelloy B-2 main specifications:

Hastelloy B-2 seamless tube, Hastelloy B-2 steel plate, Hastelloy B-2 round steel, Hastelloy B-2 forgings, Hastelloy B-2 flange, Hastelloy B-2 ring, Hastelloy B-2 welded pipe, Hastelloy B- 2 Steel belt, Hastelloy B-2 straight bar, Hastelloy B-2 wire and supporting welding materials, Hastelloy B-2 round cake, Hastelloy B-2 flat steel, Hastelloy B-2 hexagonal bar, Hastelloy B-2 size head, Hastelloy B-2 elbow, Hastelloy B-2 tee, Hastelloy B-2 machined parts, Hastelloy B-2 bolts and nuts, Hastelloy B-2 fasteners, etc.

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Hastelloy B-3 nickel-molybdenum alloy overview:

• 1. B-3 alloy is a new member of the nickel-molybdenum alloy family, which has excellent corrosion resistance to hydrochloric acid at any temperature and concentration. It also has good corrosion resistance to sulfuric acid, acetic acid, formic acid, phosphoric acid and other non-oxidizing media.
• 2. Due to the adjustment of its chemical composition, its thermal stability has been greatly improved compared to the original B-2 alloy. B-3 alloy has high resistance to pitting corrosion, stress corrosion, knife edge corrosion and welding heat affected zone corrosion.

Similar brands of Hastelloy B-2:

NS322 (China), NiMo28 (France), W.Nr. 2.4617 (Germany), 00Ni70Mo28, N10665

Hastelloy B-2 metallographic structure:

Hastelloy B-2 is a face-centered cubic lattice structure. By controlling the iron and chromium content to the minimum, the processing brittleness is reduced, and the precipitation of Ni4Mo phase between 700-870 ° C is prevented.

Hastelloy B-2 process performance and requirements:

• 1. Heat to the required temperature as quickly as possible. Hot working temperature range is 1160 ℃ ～ 900 ℃.
• 2. The average grain size of the alloy is closely related to the degree of deformation of the forging and the final forging temperature.
• 3. The adhesion of oxides, oxidation colors and welding slag around the welding surface is stronger than that of stainless steel. It is recommended to use a fine-grained abrasive belt or a fine-grained grinding wheel for polishing.
• 4. The alloy should be machined after annealing. Due to the higher work hardening rate of the material, it is advisable to use a lower cutting speed and heavy feed than the low alloy standard austenitic stainless steel to process the cold work hardened surface layer. below.

Hastelloy B-2 main specifications:

Hastelloy B-2 seamless tube, Hastelloy B-2 steel plate, Hastelloy B-2 round steel, Hastelloy B-2 forgings, Hastelloy B-2 flange, Hastelloy B-2 ring, Hastelloy B-2 welded pipe, Hastelloy B- 2 Steel belt, Hastelloy B-2 straight bar, Hastelloy B-2 wire and supporting welding materials, Hastelloy B-2 round cake, Hastelloy B-2 flat steel, Hastelloy B-2 hexagonal bar, Hastelloy B-2 size head, Hastelloy B-2 elbow, Hastelloy B-2 tee, Hastelloy B-2 machined parts, Hastelloy B-2 bolts and nuts, Hastelloy B-2 fasteners, etc.

The space is limited. If you need more detailed introduction, please consult us.

Hastelloy B-3 nickel-molybdenum alloy overview:

• 1. B-3 alloy is a new member of the nickel-molybdenum alloy family, which has excellent corrosion resistance to hydrochloric acid at any temperature and concentration. It also has good corrosion resistance to sulfuric acid, acetic acid, formic acid, phosphoric acid and other non-oxidizing media.
• 2. Due to the adjustment of its chemical composition, its thermal stability has been greatly improved compared to the original B-2 alloy. B-3 alloy has high resistance to pitting corrosion, stress corrosion, knife edge corrosion and welding heat affected zone corrosion.

Corresponding brand:

Hastelloy B-3, UNS N10675, W.Nr. 2.4600, NS3203

Hastelloy B-3 metallographic structure Hastelloy B-3 is a face-centered cubic lattice structure. The iron and chromium content of the alloy is controlled to a minimum, which prevents it from precipitating and depositing the Ni4Mo phase between 700-800 ° C, thereby reducing the risk of processing embrittlement.

The characteristics of Hastelloy B-3 can maintain excellent plastic properties when exposed to medium temperature instantaneously; excellent resistance to pitting corrosion and stress corrosion cracking; excellent resistance to blade edge corrosion and heat affected zone corrosion; excellent resistance to acetic acid and acetic acid , Phosphoric acid and other non-oxidizing acids; excellent resistance to hydrochloric acid corrosion at various concentrations and temperatures;

Hastelloy B-3 has the following application areas: B-3 alloy can be applied to all previous uses of B-2 alloy. Like B-2 alloy, B-3 is not recommended for the presence of ferric iron salts and divalent copper salts In the environment, because these salts will quickly cause corrosion damage. When hydrochloric acid contacts iron and copper, it will chemically react with it to form ferric iron salts and divalent copper salts.

Main specifications of Hastelloy B-3:

Hastelloy B-3 seamless tube, Hastelloy B-3 steel plate, Hastelloy B-3 round steel, Hastelloy B-3 forgings, Hastelloy B-3 flange, Hastelloy B-3 ring, Hastelloy B-3 welded pipe, Hastelloy B- 3 Steel belt, Hastelloy B-3 straight bar, Hastelloy B-3 wire and supporting welding materials, Hastelloy B-3 round cake, Hastelloy B-3 flat steel, Hastelloy B-3 hexagonal bar, Hastelloy B-3 size head, Hastelloy B-3 elbow, Hastelloy B-3 tee, Hastelloy B-3 machined parts, Hastelloy B-3 bolts and nuts, Hastelloy B-3 fasteners, etc.

The space is limited. If you need more detailed introduction, please consult us.

Hastelloy G-30 / UNS N06030

Corresponding grade: W.NR 2.4603 UNS N06030 AWS 056 NS3404

Applicable standards: ASTM B619 NACE MR0175 / ISO 15156-3

G-30 is a high nickel-based alloy. In phosphoric acid and many complex environments containing highly oxidizing acids (such as nitric acid, hydrofluoric acid, and sulfuric acid), the alloy shows more than most other nickel and iron-based alloys. Superior corrosion resistance.

Application areas include:

• · Nuclear fuel reprocessing
• · Nuclear waste processing
• · Pickling treatment
• · Petrochemical processing

Main specifications of Hastelloy G-30:

Hastelloy G-30 seamless tube, Hastelloy G-30 steel plate, Hastelloy G-30 round steel, Hastelloy G-30 forgings, Hastelloy G-30 flange, Hastelloy G-30 ring, Hastelloy G-30 welded pipe, Hastelloy G- 30 steel strip, Hastelloy G-30 straight bar, Hastelloy G-30 wire and supporting welding materials, Hastelloy G-30 round cake, Hastelloy G-30 flat steel, Hastelloy G-30 hexagonal bar, Hastelloy G-30 size head, Hastelloy G-30 elbow, Hastelloy G-30 tee, Hastelloy G-30 machined parts, Hastelloy G-30 bolts and nuts, Hastelloy G-30 fasteners, etc.

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