Hastelloy Products

HASTELLOY B-3 PIPES

UNS Number N010675

• Chemical processes
• Vacuum furnaces
• Mechanical components in reducing environments

UNS Number N06022

Applications

• Pharmaceutical industries use alloy C-22 fittings and tubing to avoid contamination caused by corrosion related failures
• Cellophane manufacturing
• Chlorination systems
• Pesticide production
• Incineration scrubber systems
• Chemical process industry in equipment like flue gas scrubbers, chlorination systems, sulfur dioxide scrubbers, pulp and paper bleach plants, pickling systems, and nuclear fuel reprocessing
• Waste water processing

Chemical Composition

Mechanical 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. The high nickel and molybdenum contents make the nickel steel alloy especially resistant to pitting and crevice corrosion in reducing environments while chromium conveys resistance to oxidizing media. The low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance in as-welded structures. This nickel alloy is resistant to the formation of grain boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process application in an as welded condition.

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

Alloy C-276 is widely used in the most severe environments such as chemical processing, pollution control, pulp and paper production, industrial and municipal waste treatment, and recovery of sour natural gas.

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. The high nickel and molybdenum contents make the nickel steel alloy especially resistant to pitting and crevice corrosion in reducing environments while chromium conveys resistance to oxidizing media. The low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance in as-welded structures. This nickel alloy is resistant to the formation of grain boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process application in an as welded condition.

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

Alloy C-276 is widely used in the most severe environments such as chemical processing, pollution control, pulp and paper production, industrial and municipal waste treatment, and recovery of sour natural gas.

Corrosion Resistant Hastelloy C276

Considered one of the most versatile corrosion resistant alloys available, Hastelloy C-276 exhibits excellent resistance in a wide variety of chemical process environments including those with ferric and cupric chlorides, hot contaminated organic and inorganic media, chlorine, formic and acetic acids, acetic anhydride, seawater, brine and hypochlorite and chlorine dioxide solutions. In addition, alloy C-276 resists formation of grain boundary precipitates in the weld heat affected zone making it useful for most chemical processes in the as-welded condition. This alloy has excellent resistance to pitting and stress corrosion cracking.

What are the characteristics of Hastelloy C276?

• Excellent corrosion resistance in reducing environments
• Exceptional resistance to strong solutions of oxidizing salts, such as ferric and cupric chlorides
• High nickel and molybdenum contents providing good corrosion resistance in reducing environments
• Low carbon content which minimizes grain-boundary carbide precipitation during welding to maintain resistance to corrosion in heat-affected zones of welded joints
• Resistance to localized corrosion such as pitting and stress-corrosion cracking
• One of few materials to withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide

In what applications is Hastelloy C-276 used?

• Pollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings
• Flue gas desulfurization systems
• Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping
• Sour gas wells
• Pulp and paper production
• Waste treatment
• Pharmaceutical and food processing equipment

ASTM Specifications

Mechanical Properties
Typical Room Temperature Tensile Properties of Annealed Material

Chemical Properties:

 Mechanical Properties:

• Pollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings
• Flue gas desulfurization systems
• Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping
• Sour gas wells
• Pulp and paper production
• Waste treatment
• Pharmaceutical and food processing equipment

ASTM B435, B366, B572, B619 B622, B626, B751, B775, B829
UNS Number N06002
DIN 2.4665

Grade:

Hastelloy X Square Flange
Hastelloy X Forged Flange
Hastelloy X Nipo Flange
Hastelloy X Customized Flange
Hastelloy X Spectacle Blind Flanges
Hastelloy X Socket Weld Flanges
Hastelloy X Large Size Flanges
Hastelloy X Weldneck Flanges
Hastelloy X Threaded Flanges
Hastelloy X Slip on Flanges
Hastelloy X Reducing Flanges
Hastelloy X Orifice Flanges
Hastelloy X Lap Joint Flanges
Hastelloy X Blind Flanges
Hastelloy X Long Weld Neck Flanges
Hastelloy X Screwed Flanges
Hastelloy X Plate Flanges
Hastelloy X Groove Flanges
Hastelloy X Flat Face Flanges
Hastelloy X Raised Face Flange
Hastelloy X Ring Type Joint Flanges
Hastelloy X Drawing Flanges

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Chemical Composition

 Mechanical Properties

Chemical Composition

Application

• Flue gas desulfurization systems
• Sour gas wells
• Pulp and paper production
• Waste treatment
• Pharmaceutical and food processing equipment

Chemical Properties:

 Mechanical Properties:

Chemical Properties:

Mechanical Properties:

UNS Number N06022

• Resistant to pitting, crevice corrosion and stress corrosion cracking
• Outstanding resistance to both reducing and oxidizing media
• Excellent resistance to oxidizing aqueous media
• Exceptional resistance to a wide variety of chemical process environments including strong oxidizers such as ferric acids, acetic anhydride, and seawater and brine solutions
• Resists the formation of grain-boundary precipitates in the weld heat-affected zone
• Excellent weldability

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. The high nickel and molybdenum contents make the nickel steel alloy especially resistant to pitting and crevice corrosion in reducing environments while chromium conveys resistance to oxidizing media. The low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance in as-welded structures. This nickel alloy is resistant to the formation of grain boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process application in an as welded condition.

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

Alloy C-276 is widely used in the most severe environments such as chemical processing, pollution control, pulp and paper production, industrial and municipal waste treatment, and recovery of sour natural gas.

Corrosion Resistant Hastelloy C276

Considered one of the most versatile corrosion resistant alloys available, Hastelloy C-276 exhibits excellent resistance in a wide variety of chemical process environments including those with ferric and cupric chlorides, hot contaminated organic and inorganic media, chlorine, formic and acetic acids, acetic anhydride, seawater, brine and hypochlorite and chlorine dioxide solutions. In addition, alloy C-276 resists formation of grain boundary precipitates in the weld heat affected zone making it useful for most chemical processes in the as-welded condition. This alloy has excellent resistance to pitting and stress corrosion cracking.

What are the characteristics of Hastelloy C276?

• Excellent corrosion resistance in reducing environments
• Exceptional resistance to strong solutions of oxidizing salts, such as ferric and cupric chlorides
• High nickel and molybdenum contents providing good corrosion resistance in reducing environments
• Low carbon content which minimizes grain-boundary carbide precipitation during welding to maintain resistance to corrosion in heat-affected zones of welded joints
• Resistance to localized corrosion such as pitting and stress-corrosion cracking
• One of few materials to withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide

In what applications is Hastelloy C-276 used?

• Pollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings
• Flue gas desulfurization systems
• Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping
• Sour gas wells
• Pulp and paper production
• Waste treatment
• Pharmaceutical and food processing equipment

ASTM Specifications

Mechanical Properties 
Typical Room Temperature Tensile Properties of Annealed Material

Chemical Properties:

 Mechanical Properties:

• Chemical processes
• Vacuum furnaces
• Mechanical components in reducing environments

Chemical Composition

UNS Number N010675

Application

• Maintains excellent ductility during transient exposures to intermediate temperatures
• Excellent resistance to pitting, corrosion and stress-corrosion cracking
• Excellent resistance to knife-line and heat-affected zone attack
• Excellent resistance to acetic, formic and phosphoric acids and other non-oxidizing media
• Resistance to hydrochloric acid at all concentrations and temperatures
• Thermal stability superior to alloy B-2

• Chemical processes
• Vacuum furnaces
• Mechanical components in reducing environments

Hastelloy B-3 Square Flange
Hastelloy B-3 Forged Flange
Hastelloy B-3 Nipo Flange
Hastelloy B-3 Customized Flange
Hastelloy B-3 Spectacle Blind Flanges
Hastelloy B-3 Socket Weld Flanges
Hastelloy B-3 Large Size Flanges
Hastelloy B-3 Weldneck Flanges
Hastelloy B-3 Threaded Flanges
Hastelloy B-3 Slip on Flanges
Hastelloy B-3 Reducing Flanges
Hastelloy B-3 Orifice Flanges
Hastelloy B-3 Lap Joint Flanges
Hastelloy B-3 Blind Flanges
Hastelloy B-3 Long Weld Neck Flanges
Hastelloy B-3 Screwed Flanges
Hastelloy B-3 Plate Flanges
Hastelloy B-3 Groove Flanges
Hastelloy B-3 Flat Face Flanges
Hastelloy B-3 Raised Face Flange
Hastelloy B-3 Ring Type Joint Flanges
Hastelloy B-3 Drawing Flanges

Chemical Composition